water dialogue meeting february 22, 2006 all-american canal lining project dan hentschke
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Water Dialogue Meeting February 22, 2006 All-American Canal Lining Project Dan Hentschke General Counsel San Diego County Water Authority. All-American Canal. 82-mile long canal located in the southeast corner of California - PowerPoint PPT PresentationTRANSCRIPT
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Water Dialogue MeetingFebruary 22, 2006
All-American Canal Lining Project
Dan HentschkeGeneral Counsel
San Diego County Water Authority
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All-American Canal 82-mile long canal
located in the southeast corner of California
Conveys water from Colorado River to Imperial and Coachella Valleys
Operated and maintained by the Imperial Irrigation District under contract with Bureau of Reclamation
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Canal Lining 23 miles of parallel,
concrete-lined canal will be constructed next to existing canal
Capture water lost to seepage with earthen canal
Water will be conveyed through exiting Colorado River aqueduct system to San Diego
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AACLP Project Location
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Public Law 100-675
Adopted 1988 Congress authorized the Secretary “in
order to reduce seepage” to “construct a new lined canal or to line the previously unlined portions of the All American Canal from the vicinity of Pilot Knob to Drop 4”
Conserved water to be consumptively used in California
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Environmental Review
JULY 29, 1994 FEIS/EIR – ROD Five alternatives including linings, parallel
canal, well field and no action Parallel Canal Alternative Selected Funding by Metropolitan 1998 State Law (Wat. C. § 12562) $200 million
1999 Reexamination 2001 Determination for Funding Agreements
Jan. 12, 2006 USBOR Supplemental Information Report
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Public Law 106-377
H.R. 4733 (Packard Amendment) October 2000
Notwithstanding any other provision of law 16,000 acre-feet permanently and
annually to the SLR Settlement Parties Sufficient power from Parker-Davis
Project to convey water to Lake Matthews
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Quantification Settlement Agreement
Signed October 2003 Provides diversification of
San Diego supply portfolio: Total of 277,700 AF in 2021 IID Transfer - up to 200,000
AF/yr for 75 years Coachella Canal Lining – 26,000 AF/yr – (4,500 to SLR) All-American Canal Lining – 67,700 AF/yr – (11,500 to SLR)
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Related Agreements
Colorado River Water Delivery Agreement US, IID, CVWD, MWD, and SDCWA
Allocation Agreement US, MWD, CVWD, IID, SDCWA, and
SLR Settlement Parties MWD assigns canal lining water to
SDCWA
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Current Timeline
USBOR Supplemental Information Report – 1/12/06
Construction and finance agreements approved - SDCWA, IID and USBOR – 1/06
Construction Contract Award -- May - June Notice to Proceed -- June 2006 Completion deadline Dec. 31, 2008
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Effect on QSA?
YES! Domino Effect Significant delay can terminate QSA
“TRANSFER STOPPAGE” On termination of QSA, related
agreements unravel QSA Conservation Benchmarks
Suspension of Interim Surplus Guidelines Loss of Inadvertent Overrun/Payback
Policy
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Water Conserved from Lining the All-American Canal
SDCWA 56,200 ac-ft
SLR11,500 ac- ft
67,700 Acre-Feet per Year – 97 cfs diverted at Parker (>2% avg. mo. flow) – 10 – 12 % reduction in “recharge”
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Existin
g AAC
Construct Lining
New
AA
C
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All-American Canal typical sections
Proposed Lined Section13/4H or 2H:1V side slope
Existing Unlined Section2H:1V side slope
50’
136-164’
130’ +/-
Spoils
24’ O&M Road
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Litigation
Original complaint 8 counts 1-4 water law counts 5-8 environmental law counts
Feb. 8, 2006 Judge Roy dismisses all but Count 5 (NEPA/APA Count)
Amended Complaint? Status Conference March 3, 2006