water reuse coalition

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League of California Cities, San Diego County Division Kimberly Thorner, General Manager, Olivenhain MWD October 13, 2014

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Kimberly Thorner, General Manager at Olivenhain MWD, presented to the League of California Cities, San Diego County Division on October 13, 2014, about the Water Reuse Coalition.

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Page 1: Water Reuse Coalition

League of California Cities, San Diego County DivisionKimberly Thorner, General Manager, Olivenhain MWD

October 13, 2014

Page 2: Water Reuse Coalition

Who We Are What we are trying to accomplish  & Why Goals – Have changed over time Accomplishments

Where we are headed All options on the table

Recycled Water (purple pipe) Seasonal Storage Potable Reuse 

Overview

Page 3: Water Reuse Coalition

North San Diego Water Reuse Coalition

Page 4: Water Reuse Coalition
Page 5: Water Reuse Coalition

Maximize water reuse in North County, without being encumbered by jurisdictional  boundaries 

Why? Local supply diversification The D‐word

Project continues to evolve   Changing regulatory 

environment – recycled to reuse

Link demands for recycled water  in North County to production capabilities

Project Overview: Goals

Page 6: Water Reuse Coalition

Project Overview: AccomplishmentsPartners prepared Facility Plan– 2010‐2012

Page 7: Water Reuse Coalition

AgencyAverage Annual Recycled 

Water (afy)Total

Carlsbad MWD 4,150

City of Escondido 771

City of Oceanside 300

Olivenhain MWD 1,100

Rincon Del Diablo MWD 3,279

Santa Fe Irrigation District 510

Vallecitos Water District ‐‐

Vista Irrigation District ‐‐

Total 10,110 (15% of wastewater flows)Wastewater Flow 68,200

Facility Plan analyzed existingrecycled water use

Note: Values updated in 2014.

Page 8: Water Reuse Coalition

Then analysis consideredpotential regional recycled water demands

AgencyAverage Annual Demand (afy)

Existing AdditionalShort‐Term

Total by2025

Additional Long‐Term

Total by 2035

Carlsbad MWD 4,150 1,752 5,902 1,585 7,487

City of Escondido 771 6,870* 7,641 3,035 10,676

City of Oceanside 300 4,717* 5,017 4,490* 9,507

Olivenhain MWD 1,100 1,400* 2,500 1,030* 3,530

Rincon Del Diablo MWD 3,279 920* 4,199 0 4,199

Santa Fe Irrigation District 510 1,140* 1,650 1,030* 2,680

Vallecitos Water District ‐‐ 1,674* 1,674 2,892* 4,566

Vista Irrigation District ‐‐ 255 255 2,600 2,855

Totals 10,110 (15%)

18,728 28,838(31%)

16,662 45,500(42%)

Wastewater Flow 67,900 92,300 109,400

* Includes potable reuse demand

Note: Values updated in 2014.

Page 9: Water Reuse Coalition

Matching supply with demand  

Agency

Additional RecycledWater 

Demand(afy)

Average Annual Recycled Water Supply (afy)

SanLuis Rey / 

El Corazon

Shadowridge

Carlsbad

HARRF / 

EscondidoAW

T

Gafner

Meadow

lark /Meadow

lark AW

T

San Elijo / San Elijo AW

T

Harm

ony Grove

Carlsbad 3,337 3,000* 150* 187

Escondido 9,905 9,905

Oceanside 9,207 8,930 277

Olivenhain 2,430 300* 2,130*

Rincon 920 700 220

Santa Fe 2,170 200* 2,130*

Vallecitos  4,566 454 1,496 2,616

Vista 2,855 720 2,135

TOTAL 35,390 9,650 0 6,466 12,101 650 2,803 4,260 220

* Denotes where flows may come from multiple treatment plants.Note: Values updated in 2014.

Page 10: Water Reuse Coalition

Project Overview:Short Term (2025) Project Costs

ITEM UNITS

Regional Capital Costs $ 336,000,000

Regional O&M Costs $ 4,260,000 / year

Additional Recycled Water 

Use

16,500 AFY

Regional Unit Costs $1,290 / AFY

The SDCWA raw water and treated water rate for CY 2014 is $1,029 per acre‐foot and $1,303 per acre‐foot, respectively. Treated Water Rate projected to be $1,717 by CY 2017.

Page 11: Water Reuse Coalition

Project Overview:Long Term (2035) Option A Costs

ITEM UNITS

Regional Capital Costs $ 598,000,000

Regional O&M Costs $ 9,485,000 / year

Additional Recycled Water 

Use

31,500 AFY

Regional Unit Costs $1,270 / AFY

Page 12: Water Reuse Coalition

Programmatic EIRProgrammatic EIR (PEIR)

Page 13: Water Reuse Coalition

Identified Groundwater Basins with Potable Reuse Opportunities: San Elijo Valley Basin San Dieguito Basin Mission Basin Escondido Valley Basin  San Marcos Basin

Suitable Surface Reservoirs Also Identified For Additional Study Lake Dixon San Dieguito Reservoir

Potable Reuse Opportunities Will be Included in PEIR

Page 14: Water Reuse Coalition

Potable Reuse SitesMission Basin

San Elijo Valley Basin

San Marcos Basin

San Dieguito Basin

Escondido Valley Basin

San Dieguito Reservoir

Lake Dixon

Page 15: Water Reuse Coalition

North San Diego Recycled Water Coalition Support Hosted workshop for electeds on IPR/DPR Fund research efforts associated WateReuse DPR 

initiative at $100,000 level Direct Potable Reuse initiative  SB322 (Hueso) (2013)

Requires Dept. Public Health to develop potable reuse regulations

Final groundwater recharge regulations in  2014 Final surface water augmentation regulations by 2016 (expert panel)

Report to legislature on feasibility of DPR by 2016 (expert panel)

Potable Reuse Efforts

Page 16: Water Reuse Coalition

Project Overview:Funding to Date

Prop 84 Integrated Regional Water Management Planning Grants

Phase I ‐ Awarded $1.5 million for programmatic EIR, feasibility study, and outreach plan AND direct reimbursement to each partner for their agency’s chosen component

Phase II ‐ Awarded IRWM Round 2 funding  $3.4 million for construction 

Page 17: Water Reuse Coalition

Water Resources Reform & Development Act

Lobbying agreement executed with 8 of the 10 participating agencies

Lobbied in DC five times – Sen. Feinstein, Sen. Boxer, Rep. Peters, Rep. Hunter, Rep. Issa,  Army Corps Division Chief Schwitchenberg

All very supportive of this effort Met with local Army Corps of Engineers office in 2013 & 

2014  WRRDA has been signed by the President.

Section 1014, Section 7001 and WIFIA

Also continue to monitor Title XVI opportunities

Project Overview:Federal Funding Efforts (WRRDA)

Page 18: Water Reuse Coalition

Complete Programmatic EIR, Army Corps Feasibility Study for WRRDA, and public outreach plan Outreach plan will convey the message of the need for supply 

diversification and the viability and safety of recycled water, IPR, and DPR

Construct suite of projects awarded IRWM Round 2 funding ($3.4M)

Continue the pursuit of state and federal funding including IRWM Round 4, WRRDA, and other funding mechanisms

Agencies to continue work on individual water resource development efforts with collective goals in mind

Next Steps

Page 19: Water Reuse Coalition

Connect recycled water supplies with recycled water demand throughout North County, including storage and IPR, possibly DPR

Create win/win situations for all agencies involved and the region as a whole

Partnership opportunities and sharing 

Ultimate Objective

Page 20: Water Reuse Coalition

Thank you!