27
CALIFORNIA WATERFIX OVERVIEW Page 1
CALIFORNIA WATERFIX OVERVIEW
Page 1
INTRODUCTION
• Background
• Summary of California WaterFix (CWF) – Physical Components – Operations – Collaborative Science and Adaptive Management
Page 2
SWP/CVP FACILITIES IN THE SOUTH DELTA
Page 3
CWF FUNDAMENTAL PURPOSE AS DESCRIBED IN THE EIR/EIS
• To make physical and operational improvements to the system to restore and protect: – Ecosystem health – Water supplies of the SWP and CVP
south of the Delta – Water quality within a stable regulatory
framework, consistent with statutory and contractual obligations
Page 4
PROJECT REFINEMENTS
Page 5
PHYSICAL COMPONENTS OF THE PROJECT
• 2 tunnels up to 150’ below ground designed to protect California’s water supplies
• 3 new intakes, each with
3,000 cubic-feet per second (cfs) capacity. Average annual yield of 4.9 million acre-feet
Page 6
Page 7
I recporl*
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WATER Fix Petition for Cnange to AdO Points ofDiversion and Rediversion
SWP Permits IOA7B. IQ473. 10431. IOtB2
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Page 8WATER Fix Petition for Change to Add Points of
Diversion and RediversionSWP Permits 10*70. IQ473. 10431. 1Q4B2
Uniintmn
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WATERFIXPetition for Cl mts of
Mountain
House unci RediversionSWP Permits 10*70. IQ473. 10431. IQ4B2
nirce. DWR MOTO CCO rov So <20 1 Si. DWR Delta Water roaitty <201S): SWRfoimlta 16478. 16479. t648i. 16482 <2015)
TABLE OF MODELING OPERATIONS
Regulatory Context Proposed Conveyance Operations Analyzed
EIR/EIS Alternative 4A H3-H4
ESA draft BA Alternative 4A H3+
SWRCB Proceeding Alternative 4A Boundary 1 – Boundary 2
Page 9
ALTERNATIVES COMPARISON
EIR/EIS
Alt. 1
Similar to Existing Outflow
High Outflow
Alt. 8
SWRCB PROCEEDING – PART 1
Boundary 1
Boundary 2
4AH3 4AH4
Initial Operating Criteria
H3+ (BA)
Page 10
WHAT ISN’T CHANGING
Upstream operations of SWP/CVP
Water contractor service areas
No change to quantity, rate, timing, place or purpose of use under the existing permits
Page 11
OPERATIONAL COMPONENTS
• CWF Initial Operational Criteria
• Real Time Operations
• Collaborative Science and Adaptive Management – Consistent with applicable water quality control plan requirements – Decision making coordinating with state and federal fish and wildlife
agencies. – The framework is developed consistent with existing state and federal
adaptive management programs
Page 12
CWF INITIAL OPERATIONAL CRITERIA
• Continued compliance with D-1641
• No change to Delta Cross Channel, Suisun Salinity Control Gate operations, or Fall X2
• Consistent with existing water rights
Page 13
CWF INITIAL OPERATIONAL CRITERIA (CONT’D)
• New criteria for: – North Delta Diversions Bypass
Flows – South Delta OMR – Head of Old River Gate – Rio Vista minimum flows – Potential spring outflow
Page 14
9,000 cfs North Delta Diversion
Fall X2
Delta Outflow requirements
NMFS BiOp SJR i/e ratio
OMR Requirements Head of Old River Barrier/Gate
No Action Alternative
No Yes Per D-1641 Yes Yes; per BiOps Temporary barrier installed in fall months
Boundary 1 Yes No Per D-1641 No Yes; per BiOps Permanent gate operating in fall months consistent with NAA
H3 Yes Yes Per D-1641 No Yes; more restrictive of either BiOps or new OMR requirements identified in the RDEIR/SDEIS for Alternative 4A
Permanent gate operating in fall, winter and spring months (partial closure)
H4 Yes Yes Per D-1641 and increased Delta Outflow requirements during March-May
No
Boundary 2 Yes Yes Per D-1641 and increased Delta Outflow goals in all months
No Yes; more restrictive of either BiOps or new OMR requirements identified in the RDEIR/SDEIS Appendix C
Permanent gate operating in fall, winter and spring months (full closure)
Page 15
9,000 cfs North Delta Diversion
Fall X2
Delta Outflow requirements
NMFS BiOp SJR i/e ratio
OMR Requirements Head of Old River Barrier/Gate
No Action Alternative
No Yes Per D-1641 Yes Yes; per BiOps Temporary barrier installed in fall months
Boundary 1 Yes No Per D-1641 No Yes; per BiOps Permanent gate operating in fall months consistent with NAA
H3 Yes Yes Per D-1641 No Yes; more restrictive of either BiOps or new OMR requirements identified in the RDEIR/SDEIS for Alternative 4A
Permanent gate operating in fall, winter and spring months (partial closure)
H4 Yes Yes Per D-1641 and increased Delta Outflow requirements during March-May
No
Boundary 2 Yes Yes Per D-1641 and increased Delta Outflow goals in all months
No Yes; more restrictive of either BiOps or new OMR requirements identified in the RDEIR/SDEIS Appendix C
Permanent gate operating in fall, winter and spring months (full closure)
COLLABORATIVE SCIENCE & ADAPTIVE MANAGEMENT
• Focused on – North Delta Diversion screen
design – Habitat restoration – Delta Operational Criteria
Page 16
COLLABORATIVE SCIENCE & ADAPTIVE MANAGEMENT FRAMEWORK
– Provides framework for targeted scientific research to address uncertainties and make adjustments over time
– Consistent with applicable water quality control plan requirements – Decision making coordinating with state and federal fish and
wildlife agencies – The framework is developed consistent with existing state and
federal adaptive management programs
Page 17
COLLABORATIVE SCIENCE AND ADAPTIVE MANAGEMENT (CONT’D)
• Key Concepts include: – Undertake collaborative science – Guide the development and implementation of scientific investigations and monitoring – Apply new information to management decisions and actions
Page 18
TESTIMONY OVERVIEW
• Engineering testimony will provide detail about mitigation for project construction
• Operations testimony will provide detail about existing and continued real time operations: – Real-time adjustments to North Delta
Diversion, south Delta facilities, and Head of Old River Gate to continue to operate to D-1641
Page 19
TESTIMONY OVERVIEW
Modeling testimony will provide detail regarding the assumptions and modeling results completed for the boundary analysis:
Water Supply Water Levels Water Quality Reservoir Storage
Page 20
TESTIMONY OVERVIEW
Water Rights testimony will provide detail about:
Overview of Settlement Agreements
Water Rights
Page 21
NEXT PRESENTER
Engineering/Facility Description
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