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City of Tampa
10-Year Water Supply Facilities Work Plan
Plan Hillsborough planhillsborough.org
[email protected] 813 – 272 – 5940
601 E Kennedy Blvd 18th floor
Tampa, FL, 33602
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I. Introduction:
The purpose of the City of Tampa 10-Year Water Supply Facilities Work Plan (Work Plan) is to
comply with the statutory requirements for water supply planning, specifically Section 163.3177,
Florida Statutes, which requires that comprehensive plans are to be updated within 18 months of
when a Water Management District’s Governing Board approves a Regional Water Supply Plan.
The Southwest Florida Water Management District (SWFWMD) approved an updated Regional
Water Supply Plan (RWSP) on November 17, 2015.
Listed below is a summary of statutory requirements, according to the Department of Economic
Opportunity (DEO) publication A Guide to the Preparation of the Water Supply Facilities Work Plan:
1. Coordinate appropriate aspects of the comprehensive plan with the appropriate Water
Management District’s RWSP (s.163.3177(4)(a), Florida Statutes).
2. Revise the Potable Water Element considering the RWSP of the appropriate water
management district (s. 163.3177(6)(c), Florida Statutes).
3. Revise the Potable Water Element to include a Water Supply Facilities Work Plan for at
least a 10-year planning period, addressing the water supply facilities necessary to serve existing
and new development and for which the local government is responsible (s. 163.3177(6)(c),
Florida Statutes).
4. Revise the Conservation Element to assess projected water needs and sources for at
least a 10-year planning period considering the appropriate regional water supply plan or, in the
absence of an approved RWSP, the district water management plan (s. 163.3177(6)(d), Florida
Statutes).
5. Revise the Intergovernmental Coordination Element to ensure coordination of the
comprehensive plan with the applicable RWSP (s. 163.3177(6)(h)1, Florida Statutes).
6. During adoption of Evaluation and Appraisal Report based amendments, revise the
Potable Water Element to include the Work Plan (s.163.3191(2), Florida Statues.
In summary, the Work Plan and related goals, objectives and policies must address the
development of traditional and alternative water supplies, as well as conservation and reuse
programs to serve existing and potential increased demand for at least a 10-year planning period.
The Work Plan must also be coordinated with SWFWMD’s 2015 RWSP. This Work Plan has been
developed in accordance with these requirements and serves as data and analysis for the Water
Supply Facilities Work Plan Table, which will be included in the Imagine 2040 City of Tampa Comprehensive Plan.
II. Coordination Effort
Planning Commission staff worked with the City of Tampa Water Department staff, Tampa Bay
Water staff and SWFWMD staff to gather and analyze the appropriate data for preparation of this
Work Plan. Information in this Work Plan was provided by all three groups, and significant
coordination occurred throughout the planning process.
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III. Existing Conditions
A. Service Areas
The City of Tampa owns, operates and maintains a central potable treatment and distribution
system within its corporate limits, as well as beyond its jurisdictional boundaries in unincorporated
Hillsborough County and a very small portion of Temple Terrace. The city also owns, operates
and maintains a reclaimed water system primarily in South Tampa, with extensions to the
Westshore/Tampa International Airport area and to the McKay Bay Waste to Energy Facility. A
map of the City’s potable and reclaimed service area is included as Exhibit A.
B. Water Use Permit and Tampa Bay Water Information The City has a Water Use Permit (WUP) (#2062.006) from SWFWMD for withdrawal of 82 mgd (annual average) from the Hillsborough River Reservoir. The City’s permit expires in 2024, within the planning horizon of this Work Plan. Per the SWFWMD Water Use Permit Evaluation Manager, public supply permit renewals are typically not received until the year prior to permit expiration. The City is a member of Tampa Bay Water, which is a regional water supply authority with an unequivocal obligation to provide potable drinking water to its six member governments. The relationship between the City and Tampa Bay Water is governed by the Amended and Restated Interlocal Agreement (1998) and Master Water Supply Contract. The Interlocal Agreement states that Tampa Bay Water is obligated to meet the demand that the City cannot meet through its surface water sources. This obligation is accomplished by providing the City water at two points of connections, Harney Augmentation pump station and Morris Bridge pump station. There is also an emergency interconnection located at Tampa Bay Water’s regional facility site in which Tampa Bay Water can provide potable drinking water to the City under certain emergency conditions. Tampa Bay Water is required to update its Long-term Master Water Plan every five years. The current plan was approved in 2013 and provided water demand projections out to the year 2035 (Exhibit B). Tampa Bay Water is currently updating its existing plan which extends the planning horizon to 2040. The updated plan will include long-term demand projections to the year 2040 and potential new water supply projects, and will be presented to Tampa Bay Water’s Board in December 2018. Additional details on the active project concepts and updated status of projects can be found in Exhibit C, the letter from Tampa Bay Water. This letter also confirms sufficient supplies to meet the City’s future water needs, above its permitted quantities of 82 mgd.
C. City Potable Water Facilities The City maintains potable water treatment, pumping and storage infrastructure. A map of major facilities is included with this report as Exhibit A. The following information is an excerpt from the City Water Department’s 2016 Annual Report: Treatment Facilities The David L. Tippin Water Treatment Facility (DLTWTF) utilizes a process of coagulation, flocculation, sedimentation, ozonation, filtration and chloramination to convert raw water into drinking water. Pre-disinfection is achieved through the use of ozone. Chlorine and ammonia are added later in the process to provide post-disinfection with chloramines. The City of Tampa Water Department supplements water from DLTWTF with wholesale water as needed. This water is delivered to the City at the Morris Bridge Repump Station from the Tampa Bay Water system.
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Pumping Facilities A total of 24 pumps are available to pump treated water through the transmission/distribution system. The DLTWTF has eight (8) electrically driven high service pumps, three (3) equipped with variable speed drives, with a total rated capacity of 158 MGD. The Morris Bridge Repump Station has six (6) electrically driven high service pumps, all equipped with variable speed drives, with a total rated capacity of 91 MGD. Emergency generator power is available to operate all of the above pumps. The Northwest Repump Station has three (3) electrically driven pumps with a total rated capacity of 12 MGD. The Interbay Repump Station contains six (6) electrically driven pumps with a total rated capacity of 14 MGD. The West Tampa and Palma Ceia elevated tanks each have one (1) electrically driven pump rated at 7.2 MGD. This provides the City with a pumping capacity of 289.4 MGD. Backup power is provided at the Northwest and Interbay Repump stations sufficient to operate all the pumps. Storage Facilities Storage capacity at the DLTWTF is provided by four underground clearwells with a combined capacity of 20 million gallons. The Morris Bridge Repump Station has two (2) ground storage tanks with a capacity of 5 million gallons each. Two (2) elevated storage tanks provide 3 million gallons (1.5 MG each) and ground storage tanks at the Northwest Repump Station (3 MG) and Interbay Repump Station (5 MG) provide 8 million gallons of storage. This is a total storage capacity of 41 MG. Additionally, the City projects the following information for the future capacity (mgd):
2020 2025 2030
Projected Supply*
122 122 122
Treatment Capacity*
160 160 160
Pumping Capacity
273 273 273
* Includes the permitted Hillsborough River Reservoir
amount plus 40 mgd capacity at the Tampa Bay Water
Morris Bridge interconnect. Tampa Bay Water has an
unequivocal obligation to meet Tampa’s water demands.
D. Alternative Water Supply Facilities – Reclaimed and Aquifer Storage and Recovery
Reclaimed
The City’s Howard F. Curren Advanced Wastewater Treatment Plant treats more than 60 mgd
per day of wastewater. The City’s reclaimed water system delivers highly treated wastewater to
residents and businesses in South Tampa and the Westshore area, as well as Tampa
International Airport and business locations along Boy Scout Blvd. Reclaimed water is also used
by the City to operate Tampa’s McKay Bay Waste to Energy Facility, where 0.6 mgd of reclaimed
water is used for evaporative cooling. This effort provides a 1:1 potable water offset. The CF
Industries’ Tampa Ammonia Terminal also uses warm effluent from Howard F. Curren in a heat
exchange loop.
In 2015, the wastewater treatment plant (WWTP) flow was 64.24 mgd, the reuse flow was 5.26
mgd and the reuse benefit was 4.35 mgd. The five-year average is 59.87 mgd (WWTP flow), 6.31
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mgd (reuse flow) and 5.10 mgd (reuse benefit). Beneficial reuse does not include most internal
use at treatment plants, sprayfields or RIBs disposal.
Aquifer Storage and Recovery
Due to the City’s flat topography, seasonal rainfall fluctuation and shallow reservoir depth, the
City has difficulty sustaining a water supply storage volume that can meet year-round demand.
ASR is one alternative that is used to minimize the extent that the City relies on regional drinking
water from Tampa Bay Water during peak demand times. The Tampa ASR system stores up to
1 billion gallons of treated water underground and recovers the water during the annual dry
season at a 10 mgd peak rate.
E. Conservation Initiatives
The City has a very strong, multifaceted water conservation program that employs numerous
operational, educational and policy measures. A full description of the City’s conservation
initiatives is listed in Exhibit D (Tampa Water Department 2015-2019 Water Conservation
Program), which is incorporated by reference into this report. These measures include the
following:
1. Operational Measures
Source and finished water, and service connection metering
Fixed interval meter reading
Meter testing, calibration, repairing and replacing
System audit
Distribution system pressure control
Recycled water for filter backwashing at treatment plants
Customer leak notification
Water conservation coordinator – full time staff member
2. Educational and Program Measures
Informative billing and water bill inserts
Plumbing retrofit giveaways to thousands of residential and business customers
Rain sensor distribution program
Commercial pre-rinse spray-valve retrofit program
Industrial, commercial and institutional water-use efficiency evaluation program
Water use surveys
Public information/education program
Plumbing workshops
Customer surveys
3. Policy Measures
Conservation rate structure
Landscape/irrigation ordinance
Stringent restriction enforcement and reduced irrigation hours
Low-volume fixture ordinance
Rain sensor ordinance
Reclaimed water mandatory hookup for irrigation
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In 2015, the sum of these projects had a cumulative annual savings of .06 mgd and a cumulative
total savings of 2.02 mgd. For additional details, including a breakdown of conservation, please
see Exhibit D.
F. Ongoing Cooperative Funding Initiative Projects
The City has two ongoing Cooperative Funding Initiative (CFI) water supply projects with
SWFWMD, N601 (Hillsborough County/Tampa/Plant City/Temple Terrace Reclaimed Water
Recharge Feasibility Study) and N751 (Tampa Augmentation Project). Details of these projects
are included in Section V and VI.
IV. Future Population and Demand Projections
The City recently analyzed population and demand projections as part of its Potable Water Master
Plan (Master Plan) update. Please see Exhibit E, incorporated by reference into this document,
for a full discussion and comparison of the various population and demand projections
considered.
Ultimately, the demand projection used for the Master Plan was an average of the four sources
available: SWFWMD 2015 projections, Tampa Bay Water 2015 projections, and high and low
projections prepared by the City for Tampa Bay Water. Please see Exhibit E for a comparative
analysis.
For consistency, the City Water Department requested that the same average demand projections
used in the Potable Water Master Plan serve as the demand projections for this Water Supply
Work Plan. These projections have also been included in the City’s Environmental Element.
Table 1: Average Demand Projections
Year Projected Demand (Average)
2015 72.3
2020 77.3
2025 81.0
2030 84.5
Notes and Caveats for Demand Projections
Planning Commission staff is aware of the population and demand projections prepared by
SWFWMD Water Supply Staff as part of the Community Planning Pages, and the ultimate
demand figures in the City’s Work Plan are slightly higher than SWFWMD’s numbers. However,
as the City figure represents an average of the four sources available, it was considered by the
City to be the best available data and requested that it be used in the Work Plan update.
Population and demand projections will have to be provided at the time of WUP renewal and
further discussions between the City and SWFWMD may be necessary at that time. Please note
that the SWFWMD calculations included in Exhibit E utilize the same five-year per capita average
as noted in the Community Planning sheets (113 gpcd).
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The population projections contained in Exhibit E differ from population projections elsewhere in
the Comprehensive Plan. This is due to the fact that functional population and service area
population (different than municipal population) are used to calculate the future projections.
Comparison of Future Demand and Supply
Interpolating the projections above, at the end of the 10-year planning horizon, the City of Tampa
will have a potable water demand of approximately 83 mgd. This is slightly higher than the
currently permitted quantities of 82 mgd (expiring in 2024) from the Hillsborough River, however,
Tampa Bay Water has the unequivocal obligation to meet the City’s future needs over its current
permitted quantity of 82 mgd. Tampa Bay Water has sufficient supplies existing or planned to
meet the City’s future needs above its current permitted quantity of 82 mgd see (Exhibit C). The
interconnect at Morris Bridge has approximately 40 mgd of capacity in the pipe system. Tampa
Bay Water is obligated to meet the demand that the City cannot meet through its surface water
sources. A letter is included in Exhibit C of this report confirming adequate future water supply.
While future demand can be met by permitted quantities and Tampa Bay Water, the City will
continue to employ multiple reclaimed, conservation and alternative water supply projects and
consider potential options to help reduce/offset future potable demand.
V. Future Project Options - RWSP
As part of the RWSP process, SWFWMD is required to identify water supply options from which
water users in the planning region can choose to meet their individual needs. SWFWMD’s 2015
RWSP identifies several potential future project options for the City of Tampa. Per conversations
with SWFWMD Water Supply Staff, there is no obligation for local governments to implement
these projects, and the costs/benefits are estimates from SWFWMD staff.
Table 2: City of Tampa Water Supply Options Listed in SWFWMD RWSP
Option Name and Entity Type Supply (mgd)
Benefit (mgd)
Capital Cost (millions)
COT and McKay Bay Restoration, Tampa and the District
Interconnect, NSE 7.1 7.1 $57.2
S. County Recharge/Saltwater Intrusion Barrier, Hillsborough
County/COT
Recharge, SWB 20 TBD 161.2
Potable Reuse, COT and TBW Purification 20 18 161.2
HC/COT Interconnect COT and HC
Interconnect 32 TBD $84
Bypass Canal Augmentation 2016-2035, COT
Rehydrate/Wetland/NSE
20 20 $161.2
Reuse Expansion Tampa/Current WWTP TECO Bayside 2016-
2035, COT
System Expansion 1 1 $8.1
Reuse Expansion Tampa/Current WWTP South Reuse Expansion
2016-2035, COT
System Expansion 1 0.7 $8.1
.
The HC/COT Interconnect listed in the RWSP options table is being considered as part of a three-
phase project jointly funded with the Hillsborough County, Plant City and Temple Terrace. The
City of Tampa is only contributing funding for Phases 1 and 2.
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The phases are:
N471: Phase 1 - A “big picture” modeling study examining the quantities and rough costs
for developing a regional reuse system in Eastern Hillsborough (Completed)
N601: Phase 2 - A more refined study of recharge options to site recharge of 25 mgd of
reclaimed water and examine areas, options, benefits and more refined costs (Ongoing)
N755: Phase 3 - A specific modeling study examining specific options, likely benefits and
preliminary costs for developing recharge options (Proposed – FY 2017 Funding
(Hillsborough County only))
Additionally, a multi-year reclaimed expansion project is funded in the City’s current CIP. This is
limited to expansion of reclaimed water services within the current service area.
VI. Future Cooperative Funding Initiative (CFI) Project
In addition to the N601 project listed in the previous section, the City’s Tampa Augmentation
Project (TAP) (N751) is slated to begin shortly. This project proposes to use highly treated
reclaimed water to recharge the aquifer adjacent to the Tampa Bypass Canal, as well as evaluate
recharging the Avon Park formation with reclaimed water for subsequent recovery from the
Suwannee formation and delivery to the Hillsborough River Reservoir. The feasibility study is
expected to be completed in December 2017.
VII. Future Capital Projects – 10 Year Water Supply Facilities Work Plan
Please see Exhibit F for the 10 Year Water Supply Facilities Work Plan table. This table will also
be adopted in the Potable Water Section.
VIII. Future Quantifiable Savings from Reclaimed and Conservation Projects
Conservation and reclaimed projects will continue to be City strategies to offset future potable use
and reduce future potable demand. Although quantifiable estimates are not available for all future
projects/components of projects, Table 3 lists out the estimated quantifiable future savings.
Additionally, the RWSP project options listed in Section V identify potential future offsets should
the City choose to pursue those options.
Table 3: Estimated Projected Savings and Offset from Reclaimed and Conservation
FY 16 FY 17
FY 18
FY19 FY 20 FY 21
FY 22
FY 23
FY 24 FY 25 FY 26 FY 27
Conservation Projects
0.2 mgd
0.2 mgd
0.2 mgd
0.2 mgd
0.2 mgd
TBD TBD TBD TBD TBD TBD TBD
Reclaimed Projects
4.35 mgd
4.35 mgd
4.35 mgd
4.35 mgd
4.35 mgd
4.35 mgd
4.35 mgd
4.35 mgd
4.35 mgd
4.35 mgd
4.35 mgd
4.35 mgd
Source: Conservation: 2015 Tampa Bay Water Regional Report, Appendix B (projections only available until FY 2020)
Reclaimed: Projected savings using five year average reclaimed benefit, SWFWMD data.
IX. Relevant Goals, Objectives and Policies from Comprehensive Plan
The following goals, objectives and policies from the Imagine 2040 City of Tampa Comprehensive Plan support and meet the Work Plan statutory requirements. The policy with an asterisk (*) next
to it and with strike-through/underline text is proposed to be modified as part of the Work Plan
amendment.
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Intergovernmental Coordination Section
GOV Policy 1.9.12:
The City shall collaborate with the Southwest Florida Water Management District and Tampa Bay Water in updating its 10-year Water Supply Work Plan.
Capital Improvements Section
CAP Policy 1.6.2*:
The following LOS standards shall be used in reviewing the impacts of new development and redevelopment upon public facility provision…
…Potable Water Maintain raw water sources as permitted by the Southwest Florida Water Management
District and provide treated water to provide a minimum gross per capita daily water use of 125 gallons (annual average) on the yearly average and maintain adjusted gross per capita water use of 110 gallons per day on the yearly average. Additional capacity to the City’s withdrawal permit to meet this level of service is available through Tampa Bay Water as specified in the existing Interlocal Agreement in 1998.
Maintain the potable water production capacity at the David L. Tippin Water Treatment Facility of 120 mgd as permitted by the Department of Environmental Protection. Additional treatment capacity is available through Tampa Bay Water (TBW) as specified in the existing Interlocal Agreement in 1998.
Maintain a system-wide fire reserve as recommended by the Insurance Services Office.
Environmental Section
ENV Objective 1.26: Strive to reduce potable water demands consistent with state and regional targets through the conservation, reuse, and enhancement of groundwater and surface water supplies, and prevent environmental degradation.
ENV Policy 1.26.1: Continue to cooperate with Hillsborough County, the Southwest Florida Water Management District, and Tampa Bay Water, in their efforts to develop an accurate and precise methodology for estimating and communicating groundwater and surface water supply and demand projections. The City shall assist, as appropriate, toward the study of “safe yield” the volume of groundwater which can be drawn from public water supply aquifers without adverse environmental impacts surface water limitations through the appropriate application of the water budget equations and other means.
ENV Policy 1.26.2:
Continue to develop and promote educational programs for water conservation through partnerships with the SWFWMD and local initiatives.
ENV Policy 1.26.3: Assist the SWFWMD, in developing and enforcing water conservation measures and programs.
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ENV Policy 1.26.4: To support a sustainable environment, expand the distribution of reclaimed water. ENV Policy 1.26.6:
Protect water quality by restricting activities and land uses which would adversely affect the quality and quantity of identified water sources used as a source of public water supply.
ENV Policy 1.26.7: As one tool to maximize the conservation of potable water, maintain the escalating user fee rate scale for potable water use.
ENV Policy 1.26.11: Through the land development review process, promote the application of Florida Friendly Landscaping principles and landscaping as a water conservation measure.
Potable Water Section
PW Objective 1.1: Appropriately plan for the City’s Water Facilities to address current and future demands.
PW Policy 1.1.1: Identify, evaluate, and select the most cost– effective means of ensuring an adequate water supply including surface water supply, maximizing reclaimed water use, demand reduction, conservation, and peak saving through system integration, and sensible purchase of treated water from Tampa Bay Water.
PW Policy 1.1.2: Ensure that Water Facilities are planned in a consistent manner with the City’s Comprehensive Plan.
PW Policy 1.1.3: Ensure that Water Facilities are planned with the actions defined within the Regional Water Supply Plan prepared by the Southwest Florida Water Management District.
PW Objective 1.2: Ensure that the Potable Water System has adequate facilities maintenance and capacity to satisfy the existing and projected demand.
PW Policy 1.2.1: Provide regular inspection and preventive maintenance for the water facilities as required.
PW Policy 1.2.3:
Develop and maintain an aggressive rehabilitation and replacement program directed at the older portions of the utility’s existing system.
PW Policy 1.2.4: Continue to monitor current and future developments and will determine required
improvements to accommodate these developments.
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PW Policy 1.2.5: Provide treated water to the water distribution system at adequate volume and sufficient
pressure to satisfy the demands of the water consumer.
PW Objective 1.3: Assure that adequate Levels of Service are provided by water facilities within the Water Service Area for existing and future populations. PW Policy 1.3.1: The Potable Water Level of Service standards established for the City and described in the
Capital Improvements Section shall be used in determining the availability of facility capacity and demand.
PW Objective 1.4: Improve the efficiency of the City’s water conservation and demand reduction programs in order to reduce per capita consumption of potable water. PW Policy 1.4.1: Continue its program to research, develop and promote efficient, economically feasible and
environmentally sensitive water use and conservation techniques and promote their implementation.
PW Policy 1.4.2: Continue to reduce potable water consumption by water conservation rates, conservation
codes, operational measures, landscape and irrigation efficiency programs, educational initiatives, research and evaluation, and reuse alternatives.
PW Policy 1.4.3: Encourage the use of the lowest quality water reasonably available, which is
environmentally safe and suitable to a given use, in order to reduce the unnecessary use of potable water. The City shall improve its water conservation efforts to include a water reuse component which includes the reuse of stormwater, treated effluent or other sources, as feasible.
PW Policy 1.4.4: The use of reclaimed water will continue to be encouraged in order to reduce the demand
for potable water.
PW Policy 1.4.5: Continue to expand its distribution of reclaimed water to new development when and where
it makes good business sense.
PW Policy 1.4.6: Continue its distribution of reclaimed water to industry.
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PW Objective 1.6: Prioritize and schedule major water facilities improvements as a component of the capital improvement program.
PW Objective 1.7: Coordinate and cooperate with state and federal agencies to insure a safe and sufficient water supply to be provided at a cost-effective rate. PW Policy 1.7.1: Coordinate with other City departments on planning capital improvements projects in order
to reduce costs and promote efficient use of resources. PW Policy 1.7.2: Continue to participate and assist Tampa Bay Water, the Southwest Florida Water
Management District and the U.S. Environmental Protection Agency in developing innovative techniques to augment existing water supplies to provide for future needs.
X. Conclusion
The City of Tampa, through permitted quantities from the Hillsborough River Reservoir, its status
as a member government in Tampa Bay Water, and reclaimed, alternative water supply and
conservation efforts, will meet projected demand through the 10-year planning horizon. This Work
Plan serves to meet the requirements of Section 163.3177 and coordinate the relevant
components of the 2015 RWSP with the Imagine 2040 City of Tampa Comprehensive Plan.
Legend
For more information about our organization visit website: www.planhillsborough.org
WATER SERVICE AREAS AND FACILITIES: City ofTampa.
MAJOR ROADS: See Adopted MPO Long Range Transportation Plan for specific improvements.
REPRODUCTION: This sheet may not be reproduced in part or full for sale to anyone without specificapproval of the Hillsborough County City-County Planning Commission.
ACCURACY: It is intended that the accuracy of the base map comply with U.S. national map accuracystandards. However, such accuracy is not guaranteed by the Hillsborough County City-County PlanningCommission.
Location Diagram and Reference Information
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Date: 4/11/2016
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10 YEAR WATER SUPPLY FACILITIES WORK PLAN MAPCity of Tampa
RECLAIMED WATER SERVICE AREA,POTABLE WATER SERVICE AREA AND MAJOR FACILITIES
26HILLSBOROUGH RIVER AT AMELIA AVE27HILLSBOROUGH RIVER JUST NORTH OF I-27528HILLSBOROUGH RIVER TO CURTIS HIXON PARK29FROM PORT TO DAVIS ISLANDS POTABLE30FROM PORT TO DAVIS ISLANDS RECLAIMED31HILLSBOROUGH RIVER AT HILLSBOROUGH AVE.32HILLSBOROUGH RIVER AT KIRBY ST.33HILLSBOROUGH RIVER ALONG FLORIDA AVE.34HILLSBOROUGH RIVER UNDER 40TH ST. BRIDGE35HILLSBOROUGH RIVER @ LAMBRIGHT 42-INCH36HENRY AVE @ HILLSBOROUGH RIVER 24-INCH37ROWLETT PARK DR @ HILLSBOROUGH RIVER 30-INCH SUBAQ. CROSSING38ROWLETT PARK DR @ HILLSBOROUGH RIVER 36-INCH39ROWLETT PARK DR @ HILLSBOROUGH RIVER 12-INCH/8-INCH40US HWY 301 @ TAMPA BYPASS CANAL 36-INCH41MLK @ TAMPA BYPASS CANAL 16-INCH42FLETCHER AVE. @ HILLSBOROUGH RIVER (TEMPLE TERRACE)43HILLSBOROUGH AVE. @ ROCKY CREEK 12-INCH44MEMORIAL HWY. @ ROCKY CREEK 8-INCH45CHANNEL G @ WEBB ROAD 8-INCH46CHANNEL G @ HANLEY ROAD 12-INCH47NORTHWEST REPUMP STATION AND STORAGE TANK48MORRIS BRIDGE WELLFIELD49N. BLVD. CONNECTION FOR TBW50US HWY 301 TBW POC - EMERGENCY
Water Facilitiespo
Water Facilities Listing
Reclaimed Water Service Area
Potable Water Service Area
1S WEST SHORE BLVD BRIDGE @ W HERON LN
2W SLIGH AVE @ HILLSBOROUGH RIVER
3E BROADWAY AVE @ BYPASS CANAL
4W COURTNEY CAMPBELL CSWY & BAY TAMPA CROSSING
5N NEBRASKA AVE @ HILLSBOROUGH RIVER
6MAYDELL DR @ PALM RIVER
7FISH CREEK & EISENHOWER BLVD CROSSING
8S HARBOUR ISLAND BLVD @ GARRISON CHANNEL
9BENEFICIAL DR @ GARRISON CHANNEL
10ADAMO DR @ PALM RIVER
11W SWANN CIR N @ DITCH
12DAVIS ISLAND BRIDGE CROSSING
13ROWLETT PARK DR @ HILLSBOROUGH RIVER 24 INCH
14S 50TH ST @ PALM RIVER
15HILLSBOROUGH RIVER RESERVOIR DAM / OPERATION SHELTER
16PALMA CEIA ELEVATED TANK
17WEST TAMPA ELEVATED TANK
18DAVID L TIPPIN SLUDGE PROCESSING FACILITY
19BUSCH GARDENS BOOSTER PUMP STATION
20INTERBAY REPUMP STATION
21SULPHUR SPRINGS PUMP STATION
22INTERBAY REPUMP STATION STORAGE TANK
23MORRIS BRIDGE REPUMP STATION
24DAVID L TIPPIN WATER TREATMENT FACILITY
25ROME YARD/DISTRIBUTION DIVISION
Bays, Rivers and Streams
Roads and Boundary Lines
County Boundary
Jurisdiction Boundary
Existing Major Road Network
Limited Access Roads
Exhibit A
Long-Term
Master Water Plan 2013
December, 2013
Table of Contents
Executive Summary ES-1
A. Section 1 - Introduction and Overview ES-1
B. Section 2 - Existing Facilities Inventory ES-2
C. Section 3 - Capital and Systems Programs ES-4
D. Section 4 - Staffing ES-7
E. Section 5 - Customers and Water Demands ES-9
F. Section 6 - System Analysis ES-11
G. Section 7- Regulatory Review ES-13
H. Section 8 - Source Water Protection Program ES-15
I. Section 9 - Climate Variability and Long-Term Climate Change ES-16
J. Section 10 - Demand Management ES-17
K. Section 11 - Potential Future Water Supply Sources ES-18
L. Section 12 - System-Wide Reliability and Future Needs ES-25
Section 1- Introduction and Overview 1-1
A. Background 1-1
B. Objectives of Long-Term Master Water Plan 2013 1-4
C. Review of Agreements 1-5
D. Conclusion 1-7
Section 2- Existing Facilities Inventory 2-1
A. Introduction 2-1
B. General Description of Facilities 2-3
Section 3- Capital and Systems Programs 3-1
A. Capital Improvement Program 3-1
B. Renewal and Replacement Program 3-3
C. Energy Management Program 3-6
Section 4- Staffing 4-1
Section 5- Customers and Water Demands 5-1
A. Introduction 5-1
B. Meeting Member Government Water Demands 5-2
C. Demand Forecasting System 5-5
D. Demand Forecasting System Results (2015-2035) 5-7
E. Interlocal Agreement Requirements and Recommendations 5-10
Section 6 – Systems Analysis 6-1
A. Systems Analysis Tool 6-1
B. Previous Hydraulic and System Analyses 6-2
C. Current and Future Systems Analyses 6-5
D. Summary of System Analysis Recommendations 6-10
Section 7- Regulatory Review 7-1
A. Introduction 7-1
B. Federal Rules and Regulations 7-2
C. Water Management District Permits 7-5
D. Existing Tampa Bay Water Permitted Sources and Facilities Permits 7-7
E. Regulatory Effect on Operations and Water Supply Development 7-10
Section 8 - Source Water Protection Program 8-1
A. Introduction 8-1
B. Tampa Bay Water’s Source Water Protection Program Overview 8-1
C. Source Water Protection Program 8-2
D. Source Water Protection Program Implementation 8-9
Section 9- Climate Variability and Long-Term Climate Change 9-1
A. Overview 9-1
B. Potential Effects on Tampa Bay Water 9-3
C. Risk Assessment and Adaptive Management Strategies 9-5
D. Adaptive Strategies 9-7
E. National Climate Assessment 9-9
F. Key Messages 9-10
Section 10- Demand Management 10-1
A. Introduction 10-1
B. Components of Tampa Bay Water’s Demand Management Plan 10-2
C. Profile of Regional Water Demand 10-2
D. Evaluation of Water Efficiency Alternatives 10-5
E. Economic Analysis of Alternative Demand Management Strategies 10-9
F. Board Approved Demand Management Plan Directives 10-10
Section 11- Potential Future Water Supply Sources 11-1
A. Small Footprint Reverse Osmosis- Pinellas County 11-2
B. Tampa Bay Seawater Desalination Plant Expansion 11-4
C. Gulf Coast (Anclote) Seawater Desalination Plant 11-6
D. Additional Potable Groundwater From Existing Northern Wellfields 11-8
E. Thonotosassa Wells 11-13
F. Surface Water Expansion 11-19
G. Aquifer Recharge 11-32
Section 12- System-Wide Reliability and Future Needs 12-1
A. Interlocal Agreement Requirements for Water Supply Planning 12-1
B. Introduction 12-2
C. Regional System Performance Evaluation Measures 12-3
D. Regional System Performance Evaluation 12-15
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-1
Executive Summary
Tampa Bay Water is a regional water supply authority that provides wholesale water for its six Member
governments: Hillsborough, Pasco and Pinellas counties, and the cities of New Port Richey, St.
Petersburg and Tampa.
The Amended and Restated Interlocal Agreement (referred to as the Interlocal Agreement) requires that
the Master Water Plan be updated every five years. Tampa Bay Water was formed in 1998, the first
revision to the Master Water Plan was approved by the board of directors in 2003, the second was
approved by the Board in 2008, and the third revision is required to be completed by the end of 2013.
This document, entitled Long-Term Master Water Plan 2013, has been developed to meet this
requirement and to ensure that Tampa Bay Water meets the unequivocal obligation to provide quality
water to the member governments now and in the future.
A. Section 1 – Introduction and Overview
Tampa Bay Water owns and operates a diversified water supply system. The Agency’s Long-Term
Master Water Plan documents how Tampa Bay Water meets its unequivocal obligation to provide
quality water to the member governments now and in the future. The Amended and Restated Interlocal
Agreement requires that the Long-Term Master Water Plan be updated every five years. Since its
creation in 1998, the Agency has completed three revisions of the Plan. This document, entitled Long-
Term Master Water Plan 2013, is the latest revision.
The objectives of this update are to meet the requirements set forth in the Interlocal Agreement.
According to the Agreement, the five-year update shall, to the extent deemed necessary or advisable by
the board:
Identify current customers, projects and future customers
Review and generally inventory existing Tampa Bay Water facilities
Identify a Capital Improvement Program
Review current Tampa Bay Water permits along with existing and projected regulations
Identify proposed new water supply facilities
Evaluate staffing
Provide hydraulic analysis of both existing and proposed systems
Evaluate present and future sources and treatment requirements in terms of capacity, reliability and economy
Update the list of water supply facilities required to meet the anticipated water quality needs of the member governments for the next twenty years
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-2
During the 2008 update, the comprehensive project list was updated and approximately 300 potential
water supply projects were evaluated based on public input and with the advice of the Planning
Advisory Committee. The Tampa Bay Water board approved the update to the Plan in December 2008.
As the result of the update, the Board directed that seven project concepts and three policy planning
areas be further studied. The seven project concepts are: Small Footprint Reverse Osmosis-Pinellas
County; Gulf Coast Seawater Desalination Plant; Tampa Bay Seawater Desalination Plant Expansion;
Thonotosassa Wells; Additional Potable Groundwater from Existing Northern Wells; Surface Water
Expansion Project; and Aquifer Recharge Project. The three policy planning areas were: Source Water
Protection Program; Regional Reclaimed Water Planning Assistance; Demand Management and Water
Use Efficiency. The studies for all three of the policy planning areas have been completed.
Tampa Bay Water’s existing supply should meet the region’s demands for the next decade and the Long-
Term Master Water Plan includes projects to meet the agency’s 20-year planning horizon needs. For the
2013 update, no new water supply facilities are recommended for selection and implementation in the
next five years due to lower regional demand projections. For planning purposes, future project(s)
selection and preparation of water use permits should be based on the supply capacity under average
hydrologic conditions since these projects are in development to meet long-term water supply needs.
The project concepts approved by the board in the 2008 plan update should be studied further over the
next few years to provide information for the board to select the next water supply project(s) for
construction when needed. Tampa Bay Water will continue to implement and enhance its planning and
management activities to address seasonal and severe drought events and long-term future supply needs.
These activities will be conducted along with study of the project concepts in the Long-Term Master
Water Plan to ensure that Tampa Bay Water continues to meet its unequivocal obligation to provide
quality water to the member governments.
B. Section 2 - Existing Facilities Inventory
Tampa Bay Water constructed a regional water delivery system that is comprised of groundwater and
surface water sources, an off-stream storage reservoir, a seawater desalination plant and a collection of
pipes and pumps that distribute quality drinking water to the six member governments. The regional
system facilities currently in service are summarized below:
Distribution:
3 booster pumping stations
21 points of connection
~115 miles of raw water pipeline
~156 miles of finished water pipeline
2 alkalinity adjustment
Groundwater Facilities:
13 wellfields
177 wells
5 individual wellfields
6 groundwater treatment facilities
2 groundwater
Surface Water Facilities:
2 river withdrawal points; 1 desalination withdrawal point
1 re-pump station
1 15-billion gallon surface water storage reservoir
1 surface water treatment plant
1 seawater desalination plant
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-3
facilities
4 interconnections where the Agency can purchase water from member governments
hydrogen sulfide removal facilities
1 booster pump station
1 reservoir pump station
1 augmentation pump station (Harney Canal)
The location of these facilities is shown in figure ES-1.
Figure ES-1 Tampa Bay Water Regional Water Supply and Delivery System
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-4
Tampa Bay Water has completed adding additional water treatment facilities, an expanded surface water
system, piping and pumping to form a flexible and adaptable water supply system. These sources are
sufficient to meet the region’s drinking water demands over the next decade. Due to slowed regional
demands for drinking water, Tampa Bay Water does not need to select new supply projects during this
update cycle. All potential new water supply projects will be carried into the Master Water Plan
feasibility program and will be evaluated over the next 3-4 years.
C. Section 3 – Capital and Systems Programs
Tampa Bay Water’s Capital and System Programs includes the Capital Improvement Program, Renewal
and Replacement Program, and Energy Management Program.
A. Capital Improvement Program
Tampa Bay Water’s Capital Improvement Program (CIP) is a comprehensive five-year plan of approved
and proposed capital projects. The CIP is updated annually, as the need and timing for specific projects
change. Figure ES-2 shows the process followed for developing the annual update to the Capital
Improvement Program Plan:
Figure ES-2 Capital Improvement Program Annual Update Process
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-5
A capital project is defined as planned activities that result in a distinct capital asset owned by the
Agency and/or a major repair, improvement, renovation or expansion that extends an existing asset’s
useful life. Table ES-1 outlines the criteria a project has to meet in order to be considered a capital
improvement project:
Table ES-1 Capital Improvement Project Criteria
Criterion Definition
Compliance
Project needed to meet:
Legal settlement
Regulatory agency action (e.g., consent order, administrative order)
Permit requirements
Level of Service
Project is critical to the existing level of service (i.e., existing operating conditions)
Project improves the reliability of the regional system components or extends the components’
useful life (e.g., pressure, flow, metering equipment)
Contractual Obligations
Project needed to meet one or more of the following:
Memorandum of understanding
Joint project Agreement
The Amended and Restated Interlocal Agreement production failure requirements
Future water demands; and has been identified in the Master Water Plan
Exhibit C & D of the Master Water Supply Contract
Security and Safety
The project is critical to the facility security
The project is recommended by the vulnerability assessment
The project addresses a hazard or safety issue to the workforce, public, or water supplies
The project addresses State & Federal safety regulations
Outside Funding
Outside Funding possible such as:
State & Federal grants
Co-funding agreements
Member government contributions
Existing Funding agreement in place such as:
Co-funding agreement
State & Federal grants
Member government contributions
Annual O&M Effects to Operating (i.e., chemicals & power) and/or Maintenance Costs)
B. Renewal and Replacement Program
Tampa Bay Water’s Renewal and Replacement Program is intended to maintain a sustainable
infrastructure. This program helps Tampa Bay Water manage its assets in a cost-effective manner while
ensuring that the agency meets its goals of delivering safe and reliable drinking water. The Renewal and
Replacement Program development process is shown in Figure ES-3.
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-6
Figure ES-3 Renewal and Replacement Program Annual Update Process
C. Energy Management Program
Tampa Bay Water’s Energy Management
Program includes energy efficiency,
conservation and alternative/renewable
energy capital project ideas for our water
supply system. This program follows an
Energy Roadmap, which was developed
to provide a 10-year look at the issues
related to energy consumption at our
facilities. The Energy Roadmap provides
an action plan that sets expectations and
principles along with measurable targets;
it identifies the elements of technology
and energy infrastructure to enhance
financial stability and sustainability; and
it provides a basis to analyze the
relationship between decisions that
affect annual operations and
maintenance capital budgeting. Figure
ES-4 shows the Energy Roadmap.
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-7
Figure ES-4 Energy Program Roadmap
D. Section 4 – Staffing
Tampa Bay Water reviews staffing periodically through formal audits and pay plan and benefit package
reviews. The board approved the latest pay and classification plan for the Agency in April 2013. The
Agency maintains a lean staff of 132 full-time equivalent positions to fulfill the Agency’s mission while
maintaining a fiscally responsible program to serve its member governments.
In April 2011, the board approved an Agency Strategic Plan, which consists of four main goals intended
to guide the Agency in fulfilling the mission of providing clean, safe and reliable water. During 2012, the
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-8
Agency underwent a reorganization process in order to meet the goals of the Strategic Plan. Tampa Bay
Water is shifting its focus from building new supplies to maintaining its existing supplies and facilities.
As such, the Agency has reorganized to better reflect the new focus and be more efficient in its
organizational structure. Figure ES-5 shows current organizational structure.
Figure ES-5 Tampa Bay Water Organizational Structure
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-9
E. Section 5 - Customers and Water Demands
Tampa Bay Water has the unequivocal obligation to meet the water demands of its six member
governments. A major component in developing new potable water supplies is the ability to accurately
determine future demands so that new projects can be implemented when needed, avoiding the risk of
under-or over-estimating when supply is needed. As stated by the American Water Works Association’s
Manual of Water Supply Practices M 50 (2007), a sound water demand forecast allows utilities and regional
suppliers to provide the following:
Adequacy of supply
Optimum facility location and size
Sound transmission and distribution design
Tampa Bay Water provides regional water demand forecasts for its member governments specifically to
project the amount of water supply needed within Tampa Bay Water’s service area. The regional
demand forecasts include the total water demand for the City of Tampa. The Agency’s Long-term
Demand Forecasting models are designed primarily for the purpose of longer-term planning and
forecasting over 20-30 year time horizons. The models provide monthly and annual water demand
forecasts for the seven water demand planning areas (WDPAs) of the six member governments through
the 2035 planning horizon. This demand planning ensures that adequate supply will be made available to
member governments in the future and that supplies are added in such a way as to minimize member
government wholesale water rate impacts.
Seven water demand planning areas are established which reflect the current service area boundaries for
the six member governments. These areas are illustrated in figure ES-6.
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-10
Figure ES-6- Tampa Bay Water Member Government Water Demand Planning Areas
Tampa Bay Water updated its Long-Term Demand Forecasting models and developed two long-term
water demand forecasts through 2035. Each model generates demand forecasts based on water demand
planning area specific weather and socioeconomic projections. Annual water demands within Tampa
Bay Water’s service area have been impacted by the economic recession since 2008. Figure ES-7 shows
Tampa Bay Water demand projections by water demand planning area through 2035.
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-11
Figure ES-7- Tampa Bay Water Demand Projections by Water Demand Planning Area
Tampa Bay Water will continue to update its demand projections annually to ensure that our
commitment to provide clean, safe and reliable supply to our member governments is met.
F. Section 6 - System Analysis
Tampa Bay Water regularly performs hydraulic analyses for its regional supply and transmission system
to study current system operating conditions and to evaluate plans for projected future operating
conditions. Tampa Bay Water uses a number of tools to perform modeling and analysis. A detailed
description of these models can be found in Section 6 of the Long-Term Master Water Plan.
In 2006, Tampa Bay Water’s system engineer completed the System Analysis Update document, which was
performed to determine regional transmission system improvements. As a result of this analysis, 25
recommendations were made to Tampa Bay Water on overall system improvement. Most of the 25
recommendations have been completed.
The future water supply options identified in the 2008 Long-Term Water Supply Plan were evaluated in
a hydraulic model for the demands projected for the year 2035. The results showed certain hydraulic
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-12
limitations in the Morris Bridge Transmission Main, Cypress Bridge Transmission Main, Brandon
Transmission Main and Brandon South Central Connection. The analysis also determined that the
hydraulic limitations would be improved by the addition of new supply capacities downstream of the
Cypress Creek Pump Station at the Lithia Water Treatment Facility. The addition of new supply could
require parallel or increased diameter piping to be installed. As the decision regarding which long-term
water supply projects will be considered for further evaluation and eventual implementation, additional
analyses should be completed to evaluate the need for additional operational flexibility and potential
system operating restrictions.
Tampa Bay Water will update the Tampa Bay Water 2025 System Analysis document completed by Black &
Veatch in 2006, based on the expanded surface water system infrastructure and projected future
demands. The improvements that were recommended from the last analysis that have not been
completed will also be re-evaluated to determine if they are still necessary. The summary of current
System Analysis Recommendations is:
Regional System and Enhanced Surface Water System Surge Models
o Complete the database of system surge features.
o Field verify the equipment and settings.
o Update and run the system surge models to verify that the system has adequate surge
protection.
o Update the surge analysis for any major changes to the system.
Regional Supply and Transmission System and Enhanced Surface Water System Hydraulic
Models
o Evaluate system improvements at the Odessa and US 41 Pump Stations resulting from
an increase in system pressure from Cypress Creek.
o Evaluate options for lowering system pressures in the transmission main between the
High Service pump Station and the Cypress Creek Pump Station.
o Evaluate the benefits of adding finished water storage.
o Update the 2025 Analysis and determine if the previously recommended projects are still
necessary.
o Evaluate long-term water supply options.
Hydraulic Grade Tools (with chemical and electrical cost estimates)
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o Project monthly chemical and electrical costs for annual budgeting.
Enhanced Surface Water System Operational Model
o Project supply availability based on projected regional rainfall forecasts.
o Evaluate future surface water system expansion options.
Regional System Performance Model
o Update the analysis of system reliability in the Regional System Performance Model whenever any changes to supply sources and/or changes demand projections.
o Evaluate the improved system reliability with each of the long-term water supply options.
G. Section 7 - Regulatory Review
As a part of planning to meet the water needs of the member governments, it is important for Tampa
Bay Water to consider existing and proposed regulations at the State and Federal levels. Drinking water
standards are established at the Federal and State levels to protect human health. The Florida
Department of Environmental Protection typically adopts drinking water standards as mandated at the
federal level; however, State standards may be more stringent than the Federal standards. The Florida
Department of Environmental Protection is also responsible for permitting water treatment facilities
and distribution systems.
Tampa Bay Water is required to provide water that meets all State and Federal drinking water standards
as well as Exhibit D Standards, which are established in the Master Water Supply Contract to further
refine the definition of a “Quality Water” to be provided to the member governments. Table ES-2
summarizes major water-related regulations under development at the Environmental Protection
Agency.
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-14
Table ES-2 Projected Environmental Protection Agency Regulations
Regulation Proposal Final Notes
Bisphenol A (BPA) TBD TBD
Advanced Notice of Proposed Rulemaking published on July 26, 2011. EPA is considering environmental testing for BPA under the Toxic Substances Control Act (TSCA), including potential testing of drinking water and its sources.
Carcinogenic Volatile Organic Compounds (VOCs)
2014 (projected)
June 2015 (projected)
On February 2, 2011, EPA announced plans to develop a single National Drinking Water Regulation (NPDWR) covering up to 16 carcinogenic VOCs. EPA is conducting evaluations and developing supporting materials for proposal.
Clean Water Protection Rule TBD TBD
The Clean Water Protection Rule would codify requirements currently set forth in the EPA/Army Corps of Engineers “Draft Guidance on Identifying Waters Protected by the Clean Water Act.” The guidance was submitted to the Office of Management and Budget for review on February 21, 2012.
Lead and Copper Rule (LCR): Regulatory Revisions
2014 (projected)
May 2014 (projected)
EPA has announced its intention to engage in a series of public meetings/workshops to discuss potential rule revisions.
Perchlorate
2014 (projected)
August 2014
(statutory deadline)
EPA is awaiting the final Science Advisory Board report on setting a Maximum Contaminant Level Goal (MCLG) and continues to evaluate revised modeling approaches to set an MCLG.
Radon
November 2, 1999
TBD
Long-term prospects for a radon rulemaking are uncertain. EPA's Spring 2011 Regulatory Agenda lists final action for this rule as "to be determined." However, it is not listed at all in the Fall 2012 Regulatory Agenda.
Revised Total Coliform Rule (RTCR)
June 17, 2010
February 13, 2013
The final RTCR was published in the Federal Register on February 13, 2013. Compliance begins on April 1, 2016.
RTCR - Finished Water Storage Facility Inspection Requirements
TBD TBD EPA is evaluating options for a potential regulation.
Effluent Guidelines and Standards for Unconventional Oil and Gas Extraction Including Coalbed Methane and Shale Gas Extraction
October 2014
(projected)
February 2016
(projected)
Fluoride TBD TBD
EPA has completed and peer-reviewed a quantitative dose-response assessment based on the available data for severe dental fluorosis as recommended by National Research Council (NRC). EPA has also completed and peer-reviewed a document on environmental exposure to fluoride and the relative source contribution (RSC) for water. The RSC is needed in order to derive the Maximum Contaminate Level Goal (MCLG) from the dose-response assessment.
Long-Term Master Water Plan 2013 Executive Summary
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In operating its facilities and planning for future supply sources, Tampa Bay Water should continue to
participate in Federal and State regulatory policy initiatives in order to understand their effect on
operations and future water supply development options. At the State level, Tampa Bay Water can
provide constructive input on initiatives such as the Florida Department of Environmental Protection’s
Consumptive Use Permitting Consistency effort to help improve the permitting process. At the Federal
level, things such as source water quality based upon established Maximum Contaminant Levels and
Maximum Contaminant Guidance Levels, as well as potential emerging contaminants and Contaminant
Candidate List constituents that might become regulated in the future will need to be followed. The
research being performed on such constituents, their potential effects on public health, the
environment, and related treatment aspects will continue to provide new information and a better
understanding on how they might affect water supply. The research process is expected to occur over a
long time span and thus will allow Tampa Bay Water time to adapt should any new regulatory limits be
set. In the meantime, Tampa Bay Water can continue to participate in the regulatory development
process to ensure that any proposed legislation is supportive of Tampa Bay Water’s goal to provide safe
clean drinking water.
H. Section 8 - Source Water Protection
Protecting the sources of drinking water supply in our region is essential to protecting the public health
and maintaining a sustainable water supply in the future. Protecting the sources of the region’s drinking
water supplies also protects the water supply investment made by the board.
Source water protection is the first step in a multi-barrier approach to drinking water protection. Tampa
Bay Water has a diversified water supply portfolio, consisting of groundwater, surface water and
desalinated water. The Agency relies on 13 consolidated wellfields, 2 isolated wells, the Hillsborough
River, Alafia River, Tampa Bypass Canal, Regional Reservoir and the Seawater Desalination Plant to
meet the daily demand for quality drinking water.
During the 2008 Long-Term Master Water Plan update, the board approved the creation of a source
water protection program. In 2009-2010, the agency undertook this effort and developed an Integrated
Source Water Protection Program which was approved by the board in 2011. This Program contains
several source water protection options. Detailed information regarding each of those options can be
found in Appendix B.
Tampa Bay Water’s Integrated Source Water Protection Program employs a range of initiatives to
prevent and reduce source water pollution, such as education and outreach programs, participation in
regulatory initiatives as well as partnerships and monitoring programs. As a wholesale water provider,
Tampa Bay Water does not have regulatory purview over the land areas that influence the sources of
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supply. Collaboration with member governments, regulatory agencies and stakeholders are important
components of a successful source water protection program for Tampa Bay Water.
Tampa Bay Water staff will continue to examine the Agency’s source water protection needs and
recommend to the board an annual budget for source water protection activities. This will help ensure
that the efforts most beneficial to the Agency’s program are funded and implemented each year.
I. Section 9 - Climate Variability and Long-Term Climate Change
Use of surface water supplies imposes a new level of uncertainty in our water supply system and makes
the region more susceptible to extremes of weather and climate. Because Tampa Bay Water has become
more reliant on surface water sources, it is important to examine the relationship between climate
change and water quality and quantity issues.
Important effects of climate change that will potentially affect Tampa Bay Water include:
Impacts of increasing temperature on evapotranspiration and seasonal rainfall patterns;
Increasing rainfall variability and frequency of extreme events (e.g. more hurricanes, more
droughts);
Source water quality changes due to temperature changes or increased runoff; and
Changes in rainfall patterns and temperatures affecting water use patterns and future water needs.
Risk-based decision making is one approach that can be used to balance risks and costs and incorporate
the uncertainties associated with climate change. Risk assessment includes evaluating the likelihood of a
climate change impact occurring. Adaptive management supports action in the face of uncertainty and
limited scientific knowledge. Tampa Bay Water’s current mix of supplies is diverse. This diversity offers
opportunities for adaptive planning and adaptive management which can offset some of the effects
associated with climate uncertainties. Tampa Bay Water’s board has approved the incorporation of
adaptive management into long-range planning activities. The key components of adaptive management
are defined as follows:
Implementation- water supply planning, construction programs and operations feedback
Feedback- monitoring and review of economic and environmental outcomes of management
actions
Re-evaluation- conceive new strategies (planning and operational) as information accumulates and
understanding improves
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Repeat Loop- continuous improvement process
Tampa Bay Water is moving forward with its risk assessments to understand the uncertainties associated
with climate change and variability and how this may affect long-term water supply planning activities
and implementation of adaptive management strategies.
J. Section 10 - Demand Management
Through the six member governments, Tampa Bay Water meets the drinking water demands of more
than 2.3 million people. According to member governments’ actual and projected 5-year water
conservation plans, it is estimated that the member governments collectively saved approximately 26
million gallons per day (mgd) of potable water by the end of the water year 2011, and will save up to
approximately 30 million gallons per day (mgd) by the end of water year 2016.
The Demand Management Plan investigates the benefits and costs of water demand management as a
quantifiable, alternative water supply source. The Demand Management Plan is one way to further the
Agency’s strategic goals to achieve reliability of its water supply and delivery system to its member
governments.
Demand Management Plan efforts are intended to serve as a complement to the traditional water supply
planning process in meeting current and future water demands. Demand management encompasses a
set of activities designed to:
Provide a better understanding of how and why water is used
Forecast human demands for water supplies
Develop prospective water-using efficiency (demand reduction) measures
Identify programmatic and project goals, evaluation criteria, performance measures and
monitoring mechanisms
Define and evaluate program effectiveness and goal achievement
Evaluate the benefits and costs of efficiency measures as an alternative or a complement to supply
development
The demand management effort includes an analysis of past and present water savings, as well as an
analysis of avoided supply costs related to improved water use efficiency. The Demand Management
Plan examines things such as distribution of water use, an evaluation of achieved water savings from
existing member governments’ programs, and the analysis of new and upcoming water technologies
designated to lower water use.
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In February 2013, the Board adopted a Water Efficiency resolution, which gives Tampa Bay Water a
direction on activities that need to be included in the Demand Management planning efforts. The Water
Use Efficiency resolution incorporates water use efficiency evaluation efforts into the Agency long-term
planning process. The resolution is based on the following findings:
Develop and implement data collection, management and analysis protocols and procedures for
the continued assessment of passive water use efficiency within Tampa Bay Water service area
Integrate passive water-use efficiency into the Agency’s Long-Term Demand Forecast and
Future Needs Analysis
Include the Water Use Efficiency Evaluation as an element of the Long-Term Master Water
Plan
Include an updated evaluation of potential active measures for implementing efficient water-use
products as part of future options for the next Long-Term Master Water Plan update
Incorporation of the effects of increased water-use efficiency into the Agency’s long-term planning
process provides the board with more supply policy options, affords Tampa Bay Water and its member
governments a supply buffer, and allows Tampa Bay Water to prepare and plan for the effects due to
changes in water use efficiency.
K. Section 11 - Potential Future Water Supply Sources
As required by the Interlocal Agreement, Tampa Bay Water must update its Long-Term Master Water
Plan every five years to ensure that the Agency has adequate supply to meet the region’s demand for
quality drinking water. During the 2008 Long-Term Master Water Plan, Tampa Bay Water looked at
approximately 300 potential water supply projects. The board approved seven project concepts for the
Master Water Plan. Current demand projections show that the existing water supply facilities are
sufficient to meet the demand for quality drinking water over the next decade. Due to the slow regional
demand growth, no project has to be chosen from the Master Water Plan list for implementation during
this plan update. The seven project concepts can be carried into the 2013 Long-Term Master Water Plan
and included in a planning-feasibility program over the next five years. The seven project concepts
approved by the board are:
Small Footprint Reverse Osmosis
Desalination Plant Expansion
Gulf Coast Desalination Plant
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-19
Additional Potable Groundwater from Existing Northern Wellfields
Thonotosassa Wells
Surface Water Expansion
Aquifer Recharge
The board’s goals for Master Water Plan projects include: environmental stewardship, cost and
reliability. These are described as follows:
Environmental Stewardship: Tampa Bay Water delivers high quality drinking water in an
environmentally responsible manner. The Partnership Plan and the Interlocal Agreement that drove the
creation of Tampa Bay Water had environmental stewardship as one core motivation. Tampa Bay Water
continues to monitor and optimize its operations to ensure that its water production operations
incorporates the responsibility to develop and implement future sustainable water supplies, minimizing
electrical power consumption, greenhouse gas production, chemical usage, and other factors involving
environmental consequences.
Cost: Balancing fiscal responsibility with reliability and environmental stewardship is also important in
Tampa Bay Water’s water supply approach. Minimizing the cost of all operations, from source to tap,
helps minimize rate impacts, consistent with meeting reliability and environmental stewardship goals.
This focus on efficiency helps fulfill Tampa Bay Water’s mission of public service, ensuring the region’s
water needs are met in the most economical manner.
Reliability: Because Tampa Bay Water is unequivocally committed to meeting the needs of its member
governments continuously, reliability of its supply sources is of primary importance. Water supply
source reliability addresses the challenges Tampa Bay Water faces in accomplishing its mission, including
source water protection, drought resistance, diversification, adequate supply, source optimization,
storage, and transmission flexibility. Furthermore, the potential impacts of future climate effects,
particularly increased climatic variability, can affect source water quantity and quality. System reliability is
also critical to ensure that the public health responsibility of water supply is continuously maintained, as
well as providing the flexibility to maintain environmental stewardship.
Figure ES-8 shows the location of the 7 project concepts:
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-20
Figure ES-8 Project Concept Location Map
Long-Term Master Water Plan 2013 Executive Summary
Tampa Bay Water Page ES-21
Table ES-3 summarizes the seven project concept costs and yield information.
Source Type
Project Potential Annual Average Yield (million gallons per day)
Capital Cost
($ million)
Unit Cost
($ per 1,000 gallons)
Brackish Groundwater
¹Small Footprint Reverse Osmosis-Pinellas County
To be monitored To be monitored To be monitored
Seawater Tampa Bay Seawater Desalination Plant Expansion
10 mgd $216,100,000 $8.11
Seawater Gulf Coast (Anclote) Seawater Desalination Plant
25mgd/9mgd(phase I)/21 mgd(phase II)
$551,100,000/$262,000,000/
$252,200,000
$7.00/
$9.00/
$7.00
Fresh Groundwater
Additional Potable Groundwater from Existing Northern Tampa Bay Wellfields
10mgd/15 mgd $21,784,000/$28,011,000 $0.58/
$0.52
Fresh Groundwater
Thonotosassa Wells 10 mgd $44,674,000 $0.98
Surface Water ²Surface Water Expansion
³0.3 mgd-17.3 mgd $11,559,000-$612,514,000
$3.93-$12.85
Reclaimed Water
Aquifer Recharge 22 mgd $234,348,000-rapid infiltration basin/
$406,463,000-direct recharge wells
$2.41/
$5.58
¹Tampa Bay Water will continue to monitor the efforts of the City of Clearwater as they expand their Brackish reverse
osmosis plant. The City of Oldsmar has constructed the plant, which is operational and the City if Tarpon Springs is currently in construction; therefore, the costs and yields of the projects are not applicable at this time.
²This project was formerly known as the “Alafia Expansion Project”.
³ This project concept consists of 7 potential configurations
Tampa Water Department2015 – 2019 Water Conservation Program
Background and Introduction
To provide a dependable alternative to a scattered system of poor quality wells, the City of Tampa constructed a dedicated water treatment facility adjacent to the Hillsborough River in 1924. The facility, which is a designated American Water Landmark, is currently known as the David L. Tippin Water Treatment Facility. The Water Treatment Facility produces around 90 percent of the 80 million gallons of water per day that is consumed by Tampa Water Department customers.
In 2000, the plant was restored to its original Moorish-Spanish decor, and, while the architecture of Tampa's original water treatment plant has been preserved, the treatment process continues to change and improve as technology advances. The plant houses Florida's only municipally-owned, state-certified, complete drinking water laboratory. Throughout the treatment process, continuous and complete water analyses ensure that Tampa's water quality exceeds all State and Federal standards. The Tampa Water Department is the only Florida-located water utility and one of 13 water providers in the United States that was recognized in 2013 with a 15 Year Directors Award for delivering superior quality drinking water to customers.
In 1989, in response to rapid population growth, record drought conditions and projected future water supply deficits, the Tampa Water Department (TWD) implemented a formal Water Conservation Program that has been consistently recognized around the nation for its leadership, innovation and achieved demand reductions. Since its inception, the program has grown to a multi-faceted effort that includes operational, programmatic and policy measures.
Tampa’s Water Conservation activities are part of a long-range water conservation planning process that incorporates the goals of responsible stewardship of Tampa’s water supply, limited reliance on the regional water resources to augment Tampa’s water needs during dry periods, and the use of appropriate business practices to safeguard the fiscal well-being of the Tampa Water Department while retaining already achieved water use efficiencies and contributing to:
Future economic development and growth while protecting local and regional water resources,
Reduction or deferral of costs associated with of maintaining and expanding water delivery, treatment, and disposal systems, and
Reduction of energy and maintenance costs of TWD facilities.
Potable Water Use
The TWD water supply system provides water to industry, wholesale accounts and residential customers within Tampa’s water service area. Tampa records and analyzes consumption data and reports the data to Tampa Bay Water and to the Southwest Florida Water Management District.
Retail Customer Classifications
Customer classifications differ in their characteristics relevant to water use. Single family (SF) and multi-family (MF) accounts reflect strictly residential water use. Single family homes typically have irrigated, individually landscaped yards, and those in deed-restricted or similar planned communities may also have any of a variety of observed irrigation configurations ranging from individually-metered, self-controlled to individually-metered, association-controlled to association-metered and association-controlled. Deed restricted and similar planned communities within the Tampa service area also include irrigated landscape common areas similar to the common-area landscape found at multiple-family residential units and many business settings in our community, with water sourcing ranging from metered potable to pond and lake water to District permitted wells. Non-residential accounts include government/public water use in parks, prisons, government buildings, and medians; offices, businesses, shops, restaurants and hotels, and industrial use in production and manufacturing processes.
System-Wide Historical Use
Since 1989, when Tampa launched its formal water conservation program, the total population served by the TWD increased virtually every year until 2010, when the number declined. This drop in “functional population served” is believed to be due to economic pressures and revisions in methods of calculation. Revisions to methods of calculation, as required by our permitting agency, the Southwest Florida Water Management District, also resulted in a change in the per capita values. For the reporting year 2013, the TWD reported a compliance per capita of 106 gpcd. A history of average pumpage per capita and adjusted use per capita is shown in Table 1.
Consumptive water use frequently is expressed in gallons per capita per day (GPCD) or the average gallons used per person per day. Per capita values shown in Table 1 are calculated for Tampa’s functional population, which includes not only residential and business customers but commuters, tourists, and other non-residents who use water in Tampa while here temporarily for business or pleasure.
Table 1 History of Average Pumpage Per Capita and Adjusted Use Per Capita
Fiscal Year
AveragePumpage(MGD)
Population of Service Area
Gross Use Per Capit a
(GPD)
Gallons ExportedWater (GPD)
Adjusted
Use Per Capita(GPD)
19891 75.12 463,402 181 N/A2 N/A2
1990 70.32 468.458 150 N/A2 122 1991 67.48 475,000 118 644,000 N/A2
1992 70.77 423,878 122 664,602 103 1993 67.48 426,425 157 594,734 119 1994 67.39 429,518 152 701,206 116 1995 65.59 431,520 151 813,806 118
1996 68.47 434,067 146 1,977,000 123 1997 76.26 449,206 152 1,661,410 129 1998 80.27 493,2323 139 8,657,951 116 1999 70.91 495,8723 146 2,148,0634 121 20001 61.29 536,437 132 1,301,915 114 20011 Not available Not available 139 Not available 111 2002 73.96 540,757 134 4,714,085 107 2003 76.07 590,828 117 3,839,391 96 2004 84.58 605,073 128 6,382,478 104 2005 80.05 655,993 113 4,949,581 92 20061 84.04 647,131 122 2,804,071 103 20071 79.02 653,837 120 2,832,962 100 20081 81.24 657,313 117 1,772,020 99 20091 65.05 648,577 101 3,420,136 1015 2010 75.48 559,752 116 3,164,138 N/A6
2011 75.49 587,684 113 2,338,712 N/A6
2012 75.26 587,782 112 2,324,294 N/A6
2013 68.84 590,523 106 2,301,266 1065
1 Low rainfall years2 Exported Water data and Significant Users data were not captured, nor did Tampa Water Departmentcalculate an adjusted per capita prior to 1993.3 Estimated calculation of the population, which includes commuter work force entering the City.4 This includes North Tampa interconnect, which started at the end of FY98.5 Fluctuations in reported Adjusted GPCD may be attributed to periodic revisions to method of calculation forincluded variables.6Method of calculation significantly revised for 2010 reporting year, which resulted in changes to reclaimedwater and stormwater deductions. Those previously-included deductions affected the Adjusted GPCD.
City of Tampa Monthly Demand – Five-Year Perspective
Within the past seven years, as reflected in the Figure 1 below, Tampa’s month-by-month water demand and its cumulative annual water demand continues seasonal fluctuations but remains below 2007 levels. The reduced demands are attributed, in part, to athe City’s active, comprehensive approach to water conservation and efficiency.
City of Tampa Monthly DemandFigure 1. FY 2007 – FY 2014
Note: WY 2007 – WY 2014 designation in legend is the equivalent of FY 2007 – FY 2014. Values for April and May 2009 reflect demand during period when hand-watering only imposed to protect Tampa’s primary source.
Water Conservation Goals and Objectives
The overall goal of Tampa’s water conservation efforts is to ensure a sustainable water supply to meet community demands during normal and emergency conditions. This section provides a brief description of water conservation activities and measures employed by the Tampa Water Department.
Operational Measures
Source and Finished Water, and Service Connection Metering
All raw water flows and finished water flows are metered. All existing service connections are metered and the City requires meters for all new connections. TWD meters all treated water delivered to its wholesale customers. These meters are calibrated annually. The TWD monitors meter activity through its Supervisory Control and Data Acquisition (SCADA) system.
Fixed-Interval Meter Reading
Meters for all Tampa water customers are read monthly. Locations where the recorded meter reading is outside a “normal” range is scheduled for a re-read to verify or correct the read, as is appropriate. A self-help kit is available to locations with verified high reads to assist them in determining and addressing the possible causes of the high usage.
Meter Testing, Calibrating, Repairing and Replacing
The TWD Preventative Maintenance (PM) Team is responsible for performing all functions in respect to the operation and maintenance of Tampa’s water meters. Tampa’s policy is to replace residential meters after they have been in service for 10 years to ensure metering accuracy. To comply with that policy, approximately one-tenth of the residential meters in our system are replaced on an annual basis.
All 2-inch and larger meters in the system are field tested annually, and those that are not metering to within a range of 98 percent to 101 percent accuracy are recalibrated or, if necessary, replaced. The TWD also reviews existing meters at commercial locations as part of a “right-sizing” initiative to ensure that the meters installed at those locations are capable of recording demand at those locations with the highest degree of accuracy possible.
System Audit
To ensure minimal real and apparent system loss, the TWD monthly compiles and reviews data related to water production and metered sales to identify and respond to factors contributing to water loss.
Distribution System Pressure Control
Tampa maintains 35 continuously-monitored pressure stations around the system, connected to SCADA, to maintain the distribution system. There also are several pump stations and elevated tanks in place to assist in meeting peak demands. Each monitored station is equipped with minimum- and maximum-alarmed limits for pressure to ensure that the system is maintained within the parameters established by the Health Department.
Recycled Water for Filter Backwashing at Treatment Plants
The TWD uses dual media filers at its water treatment plant that require routine backwashing. Air scouring is used to help dislodge material collected in the filter media, and backwash is then used to remove dislodged material to a thickener tank for reclamation. After settling in the thickener, the backwash water is recycled to the beginning of the treatment stream for reprocessing. Solids collected in the thickener are removed for dewatering and disposal, and water captured during the dewatering process also returns to the beginning of the treatment train for reuse.
Customer Leak Notification
The TWD completes re-reads for locations where usage exceeded prior history normal ranges for a location and leaves door tags at locations where re-reads confirmed high usage to alert customers of a possible leak on the customer side of the meter. Additionally, the TWD continues to explore the use of automated meter reading technology. It is anticipated that such a conversion would include the ability to establish earlier customer leak notification and high-use notification programs.
Water Conservation Coordinator
TWD maintains a staff of three full-time water conservation coordinator positions to plan, implement and evaluate its water conservation activities. The water conservation team is a part of the department’s Distribution and Consumer Services Division, which includes customer service and billing functions. The Conservation Section's close alignment with the Department's distribution division activities ensure the conservation team’s involvement in customer-focused and internal water demand reduction and loss control programs.
Reuse Expansion
The Tampa Water Department continues to explore opportunities to increase the availability of reclaimed water for irrigation and commercial application and indirect potable use.
Aquifer Storage and Recovery
With ever-increasing water demands and seasonal variations in surface supply, it is challenging at times to provide solely from the river source for Tampa’s water demands. Tampa currently has eight Aquifer Storage and Recovery wells that store up to 1 billion gallons of water when excess surface water supply is available. The Tampa ASR system
is operated seasonally, storing water during rainy periods and recovering when supplies are short.
Educational and Program Measures
Informative Billing and Water Bill Inserts
Each utility bill issued by the City of Tampa provide the customer with usage for the billing period. The usage is expressed in units and in gallons, rounded and expressed in 1,000 gallon increments, to assist the customer in comparing their most recent consumption with the information provided in the 13-month usage history included on the face of the bill. City of Tampa utility bills are mailed monthly to each customer to a mailing address designated by the customer. Additionally, customers may view and download current and past bills online for the 12 months prior to the current billing.
In addition to the information routinely printed on Tampa’s utility bills and the online bill view, the following information is featured on the water department’s Web site:
1. Rate structures for each billing class, 2. An explanation of any water-related surcharges, including information about how
the application of such surcharges is triggered, 3. Conversion information to assist customers in doing their own calculations to
convert metered units to gallons, and 4. Three years of average use for all user classes to assist customers in comparing
their water usage to other similar users in Tampa.
Tampa’s billing process accommodates billing inserts, which are used to advise customers of available water conservation programs and water use restrictions. The TWD also offers customers the opportunity to subscribe to an electronic newsletter that delivers direct-to-their-email water conservation tips and information about available water conservation programs and water use restrictions.
Retrofit Kit Give-Away
Tampa water customers may request free Plumbing Retrofit Kits and Save Water Kits from the TWD. The Plumbing Retrofit Kit contains the following items: low flow showerhead, bathroom aerators, kitchen aerator, teflon tape, toilet leak detection dye tablets, installation instructions, the most recent Water Quality Report, and informational brochures. The Save Water Kits include toilet leak detection dye tablets, the most recent Water Quality Report, and informational materials on checking for leaks and conserving water. An average of 350 – 400 kits are distributed annually to residential customers with an estimated 2,000 – 2,500 kit content items being distributed in bulk to multi-family and business locations.
Rain Sensor Distribution Program
The TWD provides rain sensors to customers on request at no charge to replace a non-working sensor or to complete an initial installation.
Commercial Pre-Rinse Spray-Value Retrofit Program
The TWD offers free low-volume (1.28 gpm) pre-rinse spray valves to Tampa-located restaurans and locations with on-site commercial kitchens.
Industrial, Commercial and Institutional Water-Use Efficiency Evaluation Program
Since approximately 40 percent of Tampa’s account base is non-residential, the TWD annually maintains an Industrial, Commercial, and Institutional Water-Use Efficiency Evaluation Program that offers both on-site assistance and a comprehensive self-guided evaluation template to help non-residential locations identify water efficiency measures and to incorporate them into a site-specific water conservation plan. The on-site portion of this program is structured in such a way that the customer is an active participant throughout the entire process to ensure that the customer gains not only the evaluation and an efficiency plan but also gains the ability to self-conduct on-going evaluations to ensure that gained efficiencies are maintained. This program also includes a series of industry-specific template documents to help industrial, commercial and institutional customers identify industry specific efficiency measures and options.
As a part of its focus on these customer categories, the TWD supports the Southwest Florida Water Management District’s Water C.H.A.M.P. and Water PRO programs.
Water Use Surveys
To assist its customer base, the TWD offers a “customer care” program that provides referred customers with an on-site water use survey to assist with identification of leaks and/or other conditions that may contribute to increased water use and increased water and wastewater utility costs.
Public Information/Education
The TWD purchases and publishes a variety of brochures and other literature promoting water conservation and water use efficiency. Brochures provide information on water conservation issues, such as efficient irrigation, irrigation with reclaimed water, leak detection and repair, and indoor water conservation. The TWD also maintains a 24-hour, 7-day-a-week water conservation hotline that provides customers with current information regarding water use restrictions. In addition to the available brochures, the TWD maintains a Web site presence that features more than 100 pages of water conservation and water efficiency information and access to partner-sponsored water conservation programs and materials and uses social marketing tools, such as Facebook and Twitter to reach the widest possible audience within its service area. The Web-located information is designed to provide customers with on-demand access to every brochure published by the Department in addition to water-conservation programs and tips.
Details about TWD’s water conservation and efficiency public information components are provided below:
Pipeline (e-newsletter) WaterSense Rates, Fees and Billing Information Water Stewardship PSA Contest 7-Day Water Challenge
Community Water Wise Awards Water Use Calculator Water Use Restriction Information Brochures (conservation tips, rebate programs, rates, and more) Plumbing Retrofit Kits Do It Yourself Sprinkler Checkup Guide Do it Yourself Rain Sensor Checkup Guide 7-Day Drinking Water Challenge Put A Lid on Leaks
Plumbing Workshops
To assist in addressing concerns associated with residential account customer-side leaks, the TWD is partnering with Erwin Technical Education Center in Tampa to provide tuition-subsidized plumbing and general home maintenance workshops for residential and commercial account holders. This program launched immediately at the start of FY2014.
Customer Surveys
Tampa periodically talks with or contacts prior conservation program participants by mail to collect information that will assist in evaluating programs and activities.
Workshops
The TWD cooperates with a variety of partners to sponsor rain barrel, Florida-Friendly landscaping and other water-conservation workshops around the community.
Wholesale Water Supplier Assistance Program
Tampa cooperates and coordinates with its wholesale customers in developing their Water Use Efficiency Plans and will continue to participate in and support those efforts.
Policy Measures
Conservation Rate Structure
The City of Tampa continues the use of an inclining tier rate structure, which is in place for all customer categories. In 2007, Tampa’s City Council approved a five-year plan for annual rate increases, and, in accordance with that plan implemented increases for all customer classes in 2008, 2009 and 2010. Additionally, in FY 2010, the TWD expanded the tier structure for single-family residential customers from 5 to 7 usage ranges and adopted a sharply increasing rate structure for single family residential customers using the highest volumes of water. Tampa’s FY2011 single family residential rate structure, with the additional of Tiers 5 - 7 was:
Inside City of Tampa Outside City of Tampa
Tier 0 0 – 5 ccf $2.09 $2.61 Tier 1 6 – 13 ccf 2.43 3.03 Tier 2 14 – 26 ccf 4.07 5.08 Tier 3 27 – 46 ccf 5.44 6.80 Tier 4 47 + ccf 6.28 7.85
First tier rates for non-residential customers are equivalent to the Tiers 1 – 4 and the usage in each tier is customer-class specific and based on threshold amounts established for specific types of use. For instance, the threshold rate for a hotel/motel customer is established based on the number of rental rooms the facility has. For a non-residential customer whose usage does not exceed the assigned threshold for that location, each unit of water metered is billed at Tier 1 rates; consumption the exceeds the threshold but does not exceed twice the threshold level is billed at Tier 2 rates; consumption that exceeds twice the threshold but does not exceed 3.5 times the threshold level is billed at Tier 3 rates; and consumption that exceeds 3.5 times the threshold level is billed at Tier 4 rates.
Landscape/Irrigation Ordinance
Chapter 27 of the City of Tampa’s Code of Ordinances requires the use of Florida-Friendly landscape principles for the design of new landscape and includes these measures:
1. An incrementally reduction to the amount of irrigable turf allowed that caps that landscape component at no more than 25 percent of the total irrigated area after 2011 for new landscape installation.
2. Landscaped areas shall consist of at least sixty (60) percent native plant material and/or plant material adapted to local climatic and edaphic conditions.
3. A layer of mulch to a minimum depth of three (3) inches shall be specified on the site plan in plant beds and around individual trees in turf areas.
4. Sprays and rotors are required to have matching application rates within each irrigation zone, and mixed zones are not permitted.
5. All irrigation systems are required to be designed to avoid over spray, runoff, low head drainage, or other similar conditions where water flows onto or over adjacent property, non-irrigated areas, walkways, roadways, structures, or water features. And, emitters and sprinkler heads are encouraged to be located at least two (2) feet from buildings and water should not hit the building while operating. Narrow areas (four (4) feet wide or less) are not to be irrigated unless low-volume irrigation is utilized.
6. Newly installed irrigation control equipment is required to include an automatic irrigation controller having program flexibility, such as repeat cycles and multiple program capabilities, a battery back-up or nonvolatile memory to retain the irrigation program(s), and an operable rain sensor or other device, such as soil moisture sensor, to prevent unnecessary irrigation.
Stringent Restriction Enforcement and Reduced Irrigation Hours
The City of Tampa stringently enforces all local and regional water use restrictions. In May 2006, the TWD moved to a citation on first observance of a violation policy in lieu of the issuance of warnings in an effort to increase restriction compliance and reinforce the message to Tampa water users that conservation is a year-round activity. Additionally,
within its local water use restriction ordinance, Tampa reduces the permitted hours allowed by the Southwest Florida Water Management District (before 10 a.m. and after 4 p.m.) by two hours per day on scheduled irrigation days. Tampa does not permit irrigation between 8 a.m. and 6 p.m.
Low-Volume Fixture Ordinance
In concert with the effective date of the U.S. Energy Policy Act of 1994 (EPACT), the City of Tampa established water conservation standards for plumbing fixtures installed in new construction, and initiated a first-of-its-kind toilet rebate program that has served as a model for subsequent programs for utilities, water authorities and water management agencies across the nation. The TWD routinely distributes replacement showerheads and faucet aerators with water use efficiencies exceeding the requirements of EPACT. The TWD also is enrolled as a WaterSense partner, promoting the installation and use of efficiency-tested and rated water appliances and fixtures.
Rain Sensor Ordinance
The City of Tampa’s water use restriction ordinance includes language that requires the use of an automatic rain sensor or other rain sensing technology for all automatic irrigation system.
Reclaimed Water Mandatory Hook-Up for Irrigation
All newly installed irrigation systems in Tampa must connect to reclaimed water when they are in a location where reclaimed service is available.
Conclusion Tampa is fully committed to maintaining a comprehensive water conservation program that addresses our community’s on-going need to ensure a safe, reliable water supply that meets demands during normal and emergency conditions. This commitment is realized through operational, programmatic and policy-related activities, and is fully integrated throughout the Water Department’s business activities.
As a result of Tampa’s long-term approach to water conservation and through engagement of Tampa’s water users, since the inception of the program in 1989 total system demand and gpcd has declined significantly. The City remains committed to water conservation and the Tampa Water Department will build on its past conservation successes and continue to update and revise its programs in order to remain at the forefront in the implementation of water conservation programs.
DRAFT
POPULATION & DEMAND PROJECTIONS
Potable Water Master Plan
B&V PROJECT NO. 190020
PREPARED FOR
City of Tampa
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City of Tampa | Population & Demand Projections
BLACK & VEATCH | Demand Projection Formulas 3
Table of Contents
Demand Projection Formulas ........................................................................................................... 4
Southwest Florida Water Management District Projections ........................................................... 4
Population Estimates/Projections ........................................................................................... 4
Demand Projections ...................................................................................................................... 4
Exhibit K - prepared for Tampa Bay Water............................................................................................. 6
Population Estimates/Projections ........................................................................................... 6
Demand Projections ...................................................................................................................... 7
Tampa Bay Water 2014 Demands .............................................................................................................. 8
Demand Projection Comparison ...................................................................................................... 9
LIST OF TABLES Table 1. SWFWMD Projections ..................................................................................................... 5
Table 2. Low Population Projections ......................................................................................... 6
Table 3. High Population Projections......................................................................................... 7
Table 4. Exhibit K Demand Projections ..................................................................................... 8
Table 5. High Population Projections......................................................................................... 8
Table 6. High Population Projections......................................................................................... 9
LIST OF FIGURES Figure 1. Demand Projection Comparison ................................................................................. 9
Population & Demand Projections | City of Tampa
4 APRIL 2016
Demand Projection Formulas The following is a summary of the data collected and formulas used to calculate the various demand
projections considered for the Tampa Potable Water Master Plan. Ultimately the demand projection
used for the system analysis was an average of the four sources available; Southwest Florida Water
Management District (SWFWMD) 2015 projections, Tampa Bay Water (TBW) 2015 projections,
Exhibit K low and high projections prepared for TBW.
Existing water consumption and unmetered water losses will be allocated to the hydraulic model
based on customer billing data, GIS, and pipe break data. For each customer account the average
annual consumption was allocated to model junction nodes based on billing data for 1-year of
record. Each customer meter is geospatially located and linked to the specific account demand via
the account number. The geospatially accurate consumption information will then be loaded to the
model by assigning the consumption to the closest model pipe and weighted by distance to the
closest junction. The unmetered demand portion will be calculated based on the comparison
between the WTP and imported water records and the customer billing consumption, and then
allocated based on pipe break data.
Projected future demands will be adjusted to match the total system demand discussed above and
will be based on the property parcel shapefile as prepared by the SWFWMD.
SOUTHWEST FLORIDA WATER MANAGEMENT DISTRICT PROJECTIONS
Population Estimates/Projections
Population projections are based on the University Of Florida Bureau Of Economic and Business
Research (BEBR) provided projections from 2014. The populations are distributed spatially based
on property parcels and summarized in a shapefile. Since there are so many commuters and tourist
related demands in the State, SWFWMD uses a functional population to estimate the needs for
future infrastructure growth and is defined per the formula below.
Functional Population = Permanent/Seasonal + Tourist + Net Commuter
Demand Projections
SWFWMD tracks per capita demand yearly based on the Water Use Permit reports. The following
formulas define the water use for utilities.
Withdrawals (WD) + Imported Water (IM) = Gross Water Use + Exported Water (EX) + Treatment Losses (TL)
Where, Treatment Losses (TL) = Losses at WTP, ASR Discharges and WQ Flushing Losses
For the purposes of this comparison,
Distribution System Requirements (Total Water Use) = Gross Water Use + Exported Water (EX) + WQ Flushing
Where,
Gross Water Use = Functional Population x Per Capita Demand OR
Gross Water Use = Withdrawals (WD) + Imported Water (IM) - Exported Water (EX) - Treatment Losses (TL)
Per Capita Demand (actual yearly) = Function Population Estimate / Gross Water Use
City of Tampa | Population & Demand Projections
BLACK & VEATCH | Demand Projection Formulas 5
Future projections are calculated using an average per capita demand and the projected functional
population projections.
Per Capita Demand (future) = 5 year average (2008 – 2012) = 113 gpcd
Exported Water (future) = 7 year maximum (2008 – 2014) = 3.4 MGD
WQ Flushing (future) = 5 year average (2010 – 2014) = 0.7 MGD
Total Water Use Projected = (Functional Population Projection x Ave. Per Capita Demand) + Exported Demand + Ave.
WQ Flushing
Table 1 below summarizes the population and demand projections based on the SWFWMD
method.
Table 1. SWFWMD Projections
YEAR
FUNCTIONAL POPULATION
ESTIMATE
SWFWMD 2013
PROJECTIONS
GROSS WATER
DEMAND (MGD)
EXPORTED WATER
DEMAND (MGD)
WQ FLUSHING
LOSSES (MGD)
TOTAL WATER
DEMAND (MGD)
2005 655,993 - 75.4 -
2008 657,313 - 77.0 1.8 0.05 78.8
2009 648,577 - 65.4 3.4 0.7 69.5
2010 559,752 - 65.2 3.2 0.7 69.0
2011 587,684 - 68.3 2.3 0.7 71.3
2012 587,782 - 68.0 2.3 0.7 71.0
2013 590,523 - 64.6 2.3 0.7 67.6
2014 603,107 - 65.3 2.3 0.7 68.3
2015 - 624,396 70.5 3.4 0.7 74.7
2020 - 654,208 73.9 3.4 0.7 78.0
2025 - 680,107 76.8 3.4 0.7 81.0
2030 - 699,798 79.1 3.4 0.7 83.2
2035 - 706,527 79.8 3.4 0.7 83.9
Population & Demand Projections | City of Tampa
6 APRIL 2016
EXHIBIT K - PREPARED FOR TAMPA BAY WATER The Exhibit K document prepared by the Tampa Water Department (TWD) provides a range of
potential future supply needed by the City from TBW. The TWD calculates the future high and low
system demand based on a number of factors and then subtracts the supply provided directly by
the City through the D.L. Tippin WTP to calculate the supply needed from TBW. The information
below documents the process to calculate the total system demand.
Population Estimates/Projections
Two population projections are calculated for Exhibit K; the low is based on the growth rates
provided by SWFWMD from the 2013 projections and the high is based on the growth rates
provided by the Florida Demographic Estimations. Table 2 below summarizes the population
projections used for the low demand projections. The growth rates were calculated from the data
provided by SWFWMD and applied to the real population estimate of 2012 to recalculate the
population projections. The 2030 growth rate was applied to the 2035 projection since that data
was not available.
Table 2. Low Population Projections
YEAR POPULATION
ESTIMATE 2013
PROJECTIONS GROWTH RATE
(5 YEARS) ADJUSTED
PROJECTIONS
2005 - 655,993 - -
2010 - 665,474 1.4% -
2012 587,782 NA NA -
2015 - 686,114 3.1% 598,720
2020 - 700,625 2.1% 611,894
2025 - 714,962 2.0% 623,894
2030 - 722,778 1.1% 630,714
2035 - NA 1.1% 633,422
Table 3 below summarizes the population projections used for the high demand projections. The
growth rates were calculated from the data provided by the Florida Demographic Estimations and
applied to the real population estimate of 2013 to recalculate the population projections. The 2030
growth rate was applied to the 2035 projection since that data was not available.
City of Tampa | Population & Demand Projections
BLACK & VEATCH | Demand Projection Formulas 7
Table 3. High Population Projections
YEAR POPULATION ESTIMATE YEARLY GROWTH RATE ADJUSTED PROJECTIONS
2013 593,282
2014 - 1.22% 600,520
2015 - 1.37% 608,747
2016 - 1.42% 617,391
2017 - 1.41% 625,911
2018 - 1.38% 634,549
2019 - 1.35% 643,115
2020 - 1.31% 651,540
2021 - 1.27% 659,815
2022 - 1.22% 667,864
2023 - 1.18% 675,745
2024 - 1.14% 683,449
2025 - 1.11% 691,035
2026 - 1.07% 698,429
2027 - 1.04% 705,693
2028 - 1.01% 712,820
2029 - 0.98% 719,806
2030 - 0.95% 726,644
2035 - 0.95% 761,822
Demand Projections
Exhibit K uses the following formula to calculate the projected total system demands.
Total Water Use Projected = Residential (R+A) + Commercial/Industrial (C+I) + Distribution Water Loss – Reuse
Offset
Where,
Residential (R+A) = Service Area Population x Per Capita Demand; Per Capita Demand = 25 yr. average (76.7 gpcd)
Commercial/Industrial (C+I) = 5 yr. average 2009-2013 (22.5 MGD in 2013)
Water Loss = 5 yr. average 2009-2013 (7.5 % in 2013)
Reuse Offset = 3 yr. average 2011-2013 (2.7 MGD in 2013)
For the Low Demand projections the following were assumed increases in demand:
Residential (R+A) = Constant @ 76.7 gpcd
Commercial/Industrial (C+I) = 0.5% increase per year starting at 22.5 MGD in 2013
Population & Demand Projections | City of Tampa
8 APRIL 2016
Water Loss = Constant @ 7.5 %
Reuse Offset = 1.0% increase per year starting at 2.7 MGD in 2013
For the High Demand projections the following were assumed increases in demand:
Residential (R+A) = Constant @ 76.7 gpcd
Commercial/Industrial (C+I) = 1.0% increase per year starting at 22.5 MGD in 2013
Water Loss = Constant @ 7.5 %
Reuse Offset = No Reuse Offset was accounted for
Table 1 below summarizes the population and demand projections based on the Exhibit K
methods.
Table 4. Exhibit K Demand Projections
YEAR LOW PROJECTIONS HIGH PROJECTIONS
PO
PU
LATI
ON
R+A C+I WATER
LOSS REUSE OFFSET
TOTAL (MGD)
PO
PU
LATI
ON
R+A C+I WATER
LOSS REUSE OFFSET
TOTAL (MGD)
START FACTOR
76.7 GPCD
22.5 MGD
7.5% 2.7
MGD 76.7
GPCD 22.5 MGD
7.5% 0 MGD
GROWTH 0% 0.5% 0% 1.0% 0% 1.0% 0% 0.0%
2015 598,720 45.9 22.5 5.5 2.8 71.2 608,747 46.7 23.0 5.6 0.0 75.3
2020 611,383 46.9 23.1 5.6 2.9 72.8 651,540 50.0 24.2 6.0 0.0 80.1
2025 623,894 47.9 23.7 5.8 3.0 74.3 691,035 53.0 25.4 6.3 0.0 84.7
2030 630,714 48.4 24.4 5.9 3.2 75.5 726,644 55.7 27.0 6.7 0.0 89.4
2035 633,442 48.6 25.3 5.9 3.3 76.5 761,822 58.4 28.9 7.0 0.0 94.4
TAMPA BAY WATER 2014 DEMANDS TBW prepares an annual Demand Forecast Evaluation and Update to project the amount of water
supply needed within their service area. The annual updates are based on the long-term demand
forecasting models using three sector-specific econometric models. Each model generates demand
forecasts based on weather and socioeconomic projections. The demand forecast for the City of
Tampa with a 2014 base year is summarized the Table 5 below.
Table 5. High Population Projections
YEAR TOTAL DEMAND
(MGD)
2015 68.1
2020 78.2
2025 84.1
2030 90.1
2035 97.2
City of Tampa | Population & Demand Projections
BLACK & VEATCH | Demand Projection Comparison 9
Demand Projection Comparison The comparison of the four demand projection methodologies and sources provides a window of
likely scenarios. The average of the scenarios was selected for the Potable Water Master Plan and
increases the confidence that the analysis will yield applicable results. Table 6 below summarizes
the different demand projections and Figure 1 illustrates the range of possibilities.
Table 6. High Population Projections
YEAR EXHIBIT K - HIGH TBW SWFWMD EXHIBIT K – LOW AVERAGE
2015 75.3 68.1 74.7 71.2 72.3
2020 80.1 78.2 78.0 72.8 77.3
2025 84.7 84.1 81.0 74.3 81.0
2030 89.4 90.1 83.2 75.5 84.5
2035 94.4 97.2 83.9 76.5 88.0
Figure 1. Demand Projection Comparison
CITY OF TAMPA - 1O YEAR WATER SUPPLY FACILITIES WORK PLAN PROJECT TABLE Potable Water Projects FY 16-17 FY 17-18 FY 18-19 FY 19-20 FY 20-21 FY 21-22 FY 22-23 FY 24-25 FY 26-27 FY 27-28
VM Ybor Distribution Line $5,770,273
( funding source ) - - - 1 - - - - - -
Sunset Park Distribution Line - $5,445,670 - - - - - - - -
( funding source ) - 1 - - - - - - - -
Swann Estates Distribution Line $2,779,800 - - - - - - - - -
( funding source ) 2 - - - - - - - - -
Sun Bay South Distribution Line $2,463,560 - $2,072,240 - - - - - - -
( funding source ) 2 - 1 - - - - - - -
Seminole Heights Distribution Line - - - $5,815,374 - - - - - -
( funding source ) - - - 1 - - - - - -
Port Tampa Distribution Line - $455,890 $4,151,260 - - - - - - -
( funding source ) - 1 1 - - - - - - -
Palma Ceia Distribution Line $2,451,960 - $2,476,730 - - - - - - -
( funding source ) 2 - 1 - - - - - - -
Misc. Pipeline Replacement $953,600 $1,000,000 - $1,000,000 $995,000 - - - - -
( funding source ) 1 1 - 1 1 - - - - -
Golfwood Estates Pipeline Replacement
(Distribution)
- - - - $5,734,000 - - - - -
( funding source ) - - - - 1 - - - - -
D.L. Tippen Solids Dewatering Improvement $6,899,200 - - - - - - - - -
( funding source ) 2 - - - - - - - - -
D.L. Tippen Water Plant Treatment
Improvements
$1,179,250 $1,230,000 $1,230,000 $1,230,000 $1,829,900 - - - - -
( funding source ) 1 1 1 1 1 - - - - -
Cass Street/North A Street CIAC, Phase IV - - - $4,642,500 - - - - - -
( funding source ) - - - 1 - - - - - -
30th Street and Hanna Ave CIAC, Phase III $5,495,710 - - - - - - - - -
( funding source ) 1, 2 1 1 1 1 - - - - -
Conservation/Reclaimed/AWS Projects - - - - - - - - - -
Tampa Offset Augmentation Project $500,000 - - - - - - - - -
(funding source) 1 - - - - - - - - -
Reclaimed Water System Expansion - $61,000 - $61,000 $61,000 - - - - -
( funding source ) - 1 - 1 1 - - - - -
TECO Bayside (potential SWFWMD CFI project) - - TBD - - - - - - -
( funding source ) - - TBD - - - - - - -
Conservation Projects $348,105 $325,332 $304,048 $284,157 $265,558 TBD TBD TBD TBD TBD
( funding source ) 1 1 1 1 1 TBD TBD TBD TBD TBD
Source: 1. Water System Revenues
2. State Revolving Loan
Notes: This WSFWP table includes significant capital projects known at the time of plan preparation. For a full list of capital projects proposed for funding, please see the City of
Tampa CIP. No projects are shown to be funded in this table beyond FY 20 as authorization from City Council for funding has not yet been received, however that does not necessarily
mean funding will not be available. Please note that the projects and funding in this table may be modified over time.