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Kern Fan Groundwater Storage ProjectPresentation to the California Water CommissionDecember 13, 2017
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Presentation Overview
• Project Overviewo Highlightso Project Locationo Facilities
• Project Benefitso Publico Non-public
• Operations• Timeline and Milestones• Summary
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Kern Fan Groundwater Storage ProjectProject Overview
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Project Highlights• Groundwater storage project to be implemented by:
o Irvine Ranch Water District (IRWD); and
o Rosedale-Rio Bravo Water Storage District (Rosedale)
• Previous knowledge and experience
• To be operated by Rosedale in coordination with:o Dudley Ridge Water District
o Kern County Water Agency
o Metropolitan Water District of Southern California
o California Department of Water Resources
• Environmentally beneficial project
• Online as early as 20234
Kern Fan Groundwater Storage Project Will:
• Store water otherwise lost to the ocean
• Dedicate water for benefit of threatened and endangered fish
o In the Delta and Feather River
• Dedicate water for emergency response
o Extended droughts and Delta levee failures
• Create intermittent wetland habitat
o Migratory birds and other water fowl
• Improve groundwater levels in the Kern County Sub-basin
• Improve flexibility in operation of the State’s water system
• Provides opportunities for integration with other projects
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Project Location
• Overlays the Kern County Groundwater Sub-basin of the San Joaquin Valley
• Ideally suited for groundwater recharge and storage
• Strategically located near federal, state and local water conveyance facilities
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Proposed Project Facilities
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New Conveyance from California Aqueduct• New turnout• 10 mile canal• 500 cfs capacity• 3 lift stations
1,050 Acres of Recharge Basins• Annual recharge capacity of 100,000 AF• 100,000 AF storage capacity
12 Recovery Wells • Combined capacity up to 70 cfs
Preliminary Location of Proposed Project Facilities
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Kern Fan Groundwater Storage ProjectProject Benefits
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Public BenefitsEcosystem Benefits:• Water released for chinook salmon
and green sturgeon (Ecosystem Priorities 2 & 12)
• Intermittent wetland habitat for water fowl and migrating birds (Ecosystem Priority 14)
Emergency Response:• Water supply dedicated to IRWD,
Rosedale, and Dudley Ridge for emergency response during:o Extended droughtso Delta levee failure events
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Non-Public Benefits
• Provides non-emergency water supply to:o IRWDo Dudley Ridgeo Rosedale
• During normal, dry and critical water years• Benefit to groundwater levels in Kern County
groundwater basino Water left behindo Within jurisdiction of Kern Fan Groundwater
Sustainability Agency
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Estimated Value of Project Benefits
Benefit Category Benefit Type Estimated Value (2015 $ millions)
Public Benefits
Ecosystem – Chinook Salmon $21.0
Ecosystem – Incidental WetlandHabitat
$39.8
Emergency Response – Extended Drought
$5.1
Emergency Response – Delta Failure $59.9
Non-Public Benefits
Water Supply $47.7
Groundwater basin $4.3
Total Benefits $177.8
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Kern Fan Groundwater Storage ProjectOperations
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Source Water
• Project will store State Project water otherwise lost to the oceano Unallocated Article 21 water
• Recharge up to 70,000 acre-feet during wet years
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Project Operations –Statewide Concept Including Affected Water Facilities
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Increased Flexibility Provided by Project
• Integration with other WSIP projects (e.g. Sites Reservoir) would:o Improve yield of State water
systemo Improve water supply reliabilityo Reduce competition for watero Reduce stresses on ecosystems
• Project integration supported by Association of California Water Agencies’ Storage Integration Study
State WaterProject
California Aqueduct
Sacramento-San Joaquin Delta
Kern Fan Groundwater
Storage Project
Sites Reservoir
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Kern Fan Groundwater Storage ProjectTimeline and Milestones
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Kern Fan Project Timeline
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Summary of Kern Fan Groundwater Storage Project
• Implemented by partners with previous knowledge and experience• Environmentally beneficial• Public benefits of $125.8 million• Online as early as 2023• Kern Fan Project will:
o Store water otherwise lost to the oceano Dedicate water for benefit of threatened and endangered fisho Dedicate water for emergency response o Create intermittent wetland habitat o Improve groundwater levels in the Kern County Sub-basino Improve flexibility in operation of the State’s water systemo Provide opportunities for integration with other projects
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Contact Information
Irvine Ranch Water District:
Paul WeghorstExecutive Director of Water PolicyOffice: (949) [email protected]
Fiona SanchezDirector of Water ResourcesOffice: (949) [email protected]
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Rosedale Rio BravoWater Storage District:
Eric AverettGeneral ManagerOffice: (661) [email protected]
Dan Bartel, P.E.Engineer/Assistant ManagerOffice: (661) 589-6045 [email protected]
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