Russ Stein, Acting Deputy Director Delta and Statewide Water Management
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Transcript of Russ Stein, Acting Deputy Director Delta and Statewide Water Management
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Russ Stein, Acting Deputy Director
Delta and Statewide Water Management
California Department of Water Resources
BAY DELTA CONSERVATION PLAN OVERVIEW
“BRIEFING ON A DELTA FIX”
ACWA REGIONS 9 & 10 JOINT PROGRAM
OCTOBER 19, 2012
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Presentation Outline
• Brief overview of the State Water Project
• Delta overview and history
• Current efforts BDCP update BDCP EIR/S overview
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DWR Mission and Operations Goals• DWR Mission
• To manage the water resources of California in cooperation with other agencies, to benefit the State's people, and to protect, restore, and enhance the natural and human environments
• DWR Operation Goals• Collect water when available and deliver
when needed• Operate and maintain system to achieve
maximum safety, reliability, and flexibility
• Supply good quality water for municipal, industrial, agricultural, and recreational uses and environmental benefit
• Operate within regulatory and system constraints
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DWR Project Overview• Nation’s largest state owned and
operated water delivery system• Serves 25 million Californians and
755,000 acres of farmland• Includes: Storage Facilities, Pumping
Plants, Pumping-generating Plants, Hydroelectric Plants, about 700 miles of Canals and Pipelines
• California’s fourth largest energy producer of hydropower
• Other benefits include: flood control, recreation, Delta salinity control, environmental benefits, and power grid stability
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SanFrancisco
San Diego
Redding
Los Angeles
Sacramento
Stockton
San Francisco
Sacramento River
San Joaquin River
THE SACRAMENTO-SAN JOAQUIN DELTA
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Declining Species Regulatory
Uncertainty Subsidence Earthquakes Sea Level Rise
“64% chance of catastrophic failure due to earthquake or storm in the next 50 years.”
DELTA CHALLENGES
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113,000 Acres of Restored
and Protected Habitat
Monitoring and Adaptive Management
50 YearEcosystem-Based
Plan
ESA-HCP NCCPA-NCCP
New North Delta
Conveyance
BAY DELTA CONSERVATION PLAN
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HCP/NCCP Application• Design of Conservation
Measures
• Detailed Effects Analysis for Proposed Project
• Does Project meet requirements for contribution to recovery?
EIR/EIS• Consideration of diverse
set of alternatives
• Analysis of impacts of alternatives
• Selection of Preferred Alternative
CURRENT EFFORTS
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BDCP STRUCTURE
HCP & NCCP
Bay Delta Conservation Plan
DHCCP – Delta Habitat Conservation &
Conveyance Program
CM1 – Facility Engineering
EIR & EIS
Programmatic Project Specific
CM 2 - 22
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HABITAT RESTORATION
WATER FACILITIES &
OPERATIONS
OTHER STRESSORS
22 Conservation Measures
200 Biological Goals and Objectives for 57 species11 of which are aquatic species
BDCP CONSERVATION STRATEGY– MAJOR ELEMENTS
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• 65,000 acres of Restored Tidal Habitat
• 10,000 acres of Restored Floodplain• 20 Levee Miles of Restored Channel
Margin• Enhanced Floodplain Habitat in the
Yolo Bypass• Thousands of acres of Restored and
Protected Riparian & Terrestrial Habitat
• More than 100,000 acres of Restored and Protected Habitat in the Delta over 50 Years• Up to 30,000 acres of restored habitat in next 15 years
HABITAT RESTORATION GOALS
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CONSERVATION MEASURE 1: DUAL CONVEYANCEThe North Delta
Diversion would be the primary diversion point and would be subject to strict water operations rules
N
S
The North Delta Diversion would be used in conjunction with the existing South Delta Diversion when it is necessary to maintain water quality and safe for fish
N
S
The South Delta Diversion would be preferentially operated when safe for fish and when the North Delta Diversion is restricted
N
S
10 Alternatives - Various
Alignments and Capacities
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Gravity Flow Benefits Include:• Reduced energy
consumption and greenhouse gas emissions
• Installation of fewer transmission lines
Preliminary Draft – Subject to Change
• Gravity flow • Three proposed intakes and
three proposed pumping plants for a total of 9,000 cfs capacity
• Three state-of-the-art fish screens held to performance standards to protect passing fish
• Intermediate Forebay for temporarily storing the water pumped from the river
DUAL CONVEYANCE WITH PIPELINE/TUNNEL
Current Proposal
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• Two tunnels to carry water 35 miles to the existing pumping plants in the south Delta, where it would be moved into existing aqueducts
• 840-acre forebay at Byron Tract
• Total power requirement-50 MW
• Continued use of South Delta SWP/CVP facilities
Preliminary Draft – Subject to Change
DUAL CONVEYANCE WITH PIPELINE/TUNNEL
Current Proposal (continued)
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Proposed Action: Bay Delta Conservation Plan
ENVIRONMENTAL REVIEW PROCESS
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Results of Initial Screening AnalysisAlt Number & Conveyance Type North Delta Intakes Op. Scenario Other Conserv. Measures
Alt 1A: Dual Conv. Pipeline-Tunnel 5 Intakes:15,000 cfs Scenario A BDCP S.Cmm. 3/25/10
Alt 1B: Dual Conv. East Canal 5 Intakes:15,000 cfs Scenario A BDCP S.Cmm. 3/25/10
Alt 1C: Dual Conv. West Canal 5 Intakes:15,000 cfs Scenario A BDCP S.Cmm. 3/25/10
Alt 2A: Dual Conv. Pipeline-Tunnel 5 Intakes:15,000 cfs Scenario B BDCP S.Cmm. 3/25/10
Alt 2B: Dual Conv. East Canal 5 Intakes:15,000 cfs Scenario B BDCP S.Cmm. 3/25/10
Alt 2C: Dual Conv. West Canal 5 Intakes:15,000 cfs Scenario B BDCP S.Cmm. 3/25/10
Alt 3: Dual Conv. Pipeline-Tunnel 2 Intakes: 6,000 cfs Scenario A BDCP S.Cmm. 3/25/10
Alt 4: Dual Conv. Pipeline-Tunnel 3 Intakes: 9,000 cfs Scenario B BDCP S.Cmm. 3/25/10
Alt 5: Dual Conv. Pipeline-Tunnel 1 Intakes: 3,000 cfs Scenario C BDCP S.Cmm. 3/25/10
Alt 6A: Isol. Conv. Pipeline-Tunnel 5 Intakes:15,000 cfs Scenario D BDCP S.Cmm. 3/25/10
Alt 6B: Isol. Conv. East Canal 5 Intakes:15,000 cfs Scenario D BDCP S.Cmm. 3/25/10
Alt 6C: Isol. Conv. West Canal 5 Intakes:15,000 cfs Scenario D BDCP S.Cmm. 3/25/10
Alt 7: Dual Conv. Pipeline-Tunnel 3 Intakes: 9,000 cfs Scenario E BDCP S.Cmm. 3/25/10 Mod.
Alt 8: In Response to SWRCB Letters Under Development Scenario F Under Development
Alt 9: Through Delta with Barriers Gates: Delta Cross Channel and Georgiana Slough
Scenario G BDCP S.Cmm. 3/25/10 Mod.
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COMPARISON
(current proposal)
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THANK YOU