Kern Water Bank. Kern Water Bank Authority

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Amos George
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1 Kern Water Bank Kern Water Bank Authority

2 THE KERN WATER BANK Ensuring a Reliable Water Supply to the Southern San Joaquin Valley Providing for Exceptional Upland and Riparian Habitat Kern Water Bank Authority

3 Presentation Overview The Kern Water Bank Water Bank History Habitat Conservation Plan Water Resources Management Construction Project Kern Water Bank Authority

4 The Kern Water Bank & Why It Works Occupies 31 square miles SW of Bakersfield Located over permeable Kern River Fan sediments Central to several conveyance facilities Owned jointly by public water districts and private water companies Kern Water Bank Authority

5 Sources of Water California Aqueduct (State Water Project) Entitlement, interruptible Friant Kern Canal (Central Valley Project) Flood flows, surplus (e.g. 215) purchases Kern River Flood flows, miscellaneous purchases Kern Water Bank Authority

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8 Kern Water Bank History Intermittently Flooded by Kern River Prior to Settlement 1880 s to 1930 s, Intermittently Flooded for Cattle Grazing 1930 s 1991 Intensive Farming & Groundwater Pumping 1986 Purchased by Department of Water Resources Kern Water Bank Authority

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10 Kern Water Bank History 1994 Monterey Agreement 1995 Section 7 and 2081 Permits Issued for Interim Operation 1996 Acquisition by KWBA 1997 Habitat Conservation Plan Approved Kern Water Bank Authority

11 Kern Water Bank Funding Purchased from DWR through entitlement transfer Annual O&M funded through assessments Major construction project funded through private loan ($20 million) and Proposition 204 loan ($5 million) Kern Water Bank Authority

12 Habitat Conservation Plan Primary Objective - Water Conservation Storage of water during times of surplus for recovery during times of shortage Resulting Environmental Benefits Set aside large areas for threatened and endangered species Protect and enhance exceptional habitat Kern Water Bank Authority

13 HCP Elements Allow Economical Development of Water Management Facilities Recreate Historical Wetland Habitat Preserve Exceptional Upland Habitat Conserve Threatened or Endangered Species Provide Conservation Bank for Third Parties Permit Limited Farming Kern Water Bank Authority

14 Environmental Achievements Vegetation Benefits Emergent Riparian Habitat Developing Returning Farmed Areas to Upland Habitat Wildlife Benefits Biodiversity Increasing 77 New Species 40 New Waterfowl Species, 19 Reproducing Kangaroo Rat Populations Thriving Kern Water Bank Authority

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24 WATER RESOURCES MANAGEMENT Conjunctive Use to Provide for Reliable Water Supplies Kern Water Bank Authority

25 Groundwater Recharge 61 Shallow (2 ) Recharge Basins Basins occupy 11 square miles 63 miles of levees, 1.4 million cy of fill 820,000 AF Stored to Date 1,000,000 AF Total Capacity 450,000 AF Maximum Annual Recharge Capacity Kern Water Bank Authority

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31 Groundwater Recovery Recovery Facilities 30 Existing wells 30 Proposed wells, 18 rehabilitated Pipelines (14 miles small diameter; 3 miles large diameter) Recovery Capacity Current 100,000 AF/year At project completion - 240,000 AF/year Kern Water Bank Authority

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33 CONSTRUCTION PROJECT Facilities Designed to Meet Project Goals Kern Water Bank Authority

34 Kern Water Bank Canal Kern River to the California Aqueduct (6 Miles) Capacities Recharge 800 cfs from Kern River, 750 cfs from California Aqueduct Doubles existing capacity from aqueduct Recovery 630 cfs (460,000 acre-feet/year) to California Aqueduct Triples existing delivery capacity to aqueduct Kern Water Bank Authority

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36 Kern Water Bank Canal Structures Headworks Enos Lane crossing Check structure Interstate 5 crossing Pump station Aqueduct turnout / in Kern Water Bank Authority

37 Canal Headworks Four 72-Inch Gates One 18-Inch Gate for City 275 CY Concrete, 24 Tons Steel Located on City Property Operated by Buena Vista WSD Cost $285,000 Kern Water Bank Authority

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40 Canal Excavation Excavation Volume - 720,000 CY 4:1 Slopes Bentonite Application 11,000 Tons Avoids Trees Cost $2,225,000 Kern Water Bank Authority

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43 Enos Lane Crossing and Check Structure 304 Feet of 96-Inch RCP Installed Using Jacking/Boring Method Sonic Metering 165 CY Concrete, 13 Tons Steel Telemetry to Headworks Cost $345,000 Kern Water Bank Authority

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45 Pump Station Capacity CFS Four 120 cfs pumps One 65 cfs pump 20 Foot Lift Reverse Flow (330 CFS) for Recovery to Aqueduct Cost $1.2 Million Kern Water Bank Authority

46 Aqueduct Diversion Facilities Three 7-Foot Sluice Gates Metering Structure and Telemetry 330 Feet of 132-Inch RCP Canal Transition Structure 720 CY Concrete, 55 Tons Steel Operated by DWR Cost $1,650,000 Kern Water Bank Authority

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Frequently Asked Questions Updated July 17, 2015

Frequently Asked Questions Updated July 17, 2015 1. What is California WaterFix? California WaterFix is a proposal backed by the administrations of Governor Edmund G. Brown Jr. and President Barack Obama