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Project: Lower Elkhorn Basin Levee Setback

Description: Consistent with the CVFPP 2012 plan and the Sacramento River Basin-wide Feasibility study, the Lower Elkhorn Setback Levee Project expands the capacities of the Yolo Bypass and Sacramento Bypass. Located just north of Sacramento, this project runs from east to west on the north side of the Sacramento Bypass and continues north along the east side of the Yolo Bypass terminating just south of I-5. This project provides the design, engineering, permitting, real estate acquisition, and construction of approximately 7 miles of setback levees that improve flood system capacity and provide opportunities for ecosystem enhancement consistent with the CVFPP. This project provides improved public safety for approximately 780,000 people in the Lower Sacramento River Basin area by increasing system capacity and reducing flood stages in the urban areas of Woodland, West Sacramento, and Sacramento. The setbacks also improve ecosystem function by adding approximately 1,800 acres of inundated floodplain habitat that is compatible with agriculture. Total project amount includes State support costs for project implementation.

Reference Number: 3860-PM-907

Implemented By: Department of Water Resources

Objective: Flood System and Ecosystem Resiliency

Type: Acquisition Fee Title, Infrastructure Improvement

Total Cost: $277,964,520.04

Project Status: Project Implementation

On Time?: Yes    Within Scope?: Yes    Within Budget?: Yes

Estimated/Actual Project Work Completion: 6/30/2025    Final Payment:

Associated Counties: Yolo

Located In Severely Disadvantaged Community: Yes

Contribution SourcesContribution DateContribution Amount
Other State Funds5/18/2020$35,000,000.00
Prop. 1E, Systemwide Flood Risk Reduction Program (SFRR)12/16/2022$76,930,408.70
Prop. 1E, Levee Evaluations Program5/18/2017$2,452,111.34
Prop. 1, Flood Management7/28/2022$10,902,000.00
Prop. 68, Multibenefit Public Safety Improvements and Fish/Wildlife Enhancement1/15/2020$152,680,000.00

Project MetricMetric TopicQuantityUnit
Acquisition Fee TitleFlood Control/Protection Corridor1100acres acquired
Acquisition Fee TitleMitigation320acres acquired
Acquisition Fee TitleOak Woodlands18acres acquired
Acquisition Fee TitleThreatened or Endangered Species Recovery325acres acquired
Infrastructure ImprovementNew Levee Construction7miles of levee constructed
Infrastructure ImprovementNew Transportation Facility Construction  
Infrastructure ImprovementOther  

Water Action Plan Target

Make Conservation a California Way of LifeAction Description
Protect and Restore Important EcosystemsAction Description
Increase Flood ProtectionAction Description


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