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Project: Santa Ana Watershed Project Authority: Wilson III Basins Project and Wilson Basins/Spreading Grounds

Description: Modify basin inlets, outlets, spillways and basin-to-basin drains enabling the facility to expand the capture of native and artificial waters for recharge. The project includes enhancing existing spreading basins to capture native flow and a 200 acre-foot basin with a 12’ permanent recharge pond.

Reference Number: 3860-P84-1110

Implemented By: Santa Ana Watershed Project Authority

Objective: Project will help local public agencies to meet long-term water supply needs, protection of water quality, and augment/restore environmental conditions.

Type: Infrastructure Improvement, Water Management

Total Cost: $13,042,721.00

Project Status: Project Implementation

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

Estimated Completion: 12/31/2021    Actual Completion:

Associated Counties: Los Angeles, Orange, Riverside, San Bernardino

Located In Disadvantaged Community: Yes

Contribution SourcesContribution DateContribution Amount
Local Contribution2/12/2014$12,292,721.00
Prop. 84, Integrated Regional Water Management2/12/2014$750,000.00

Project MetricMetric TopicQuantityUnit
Infrastructure ImprovementOther  
Water ManagementStormwater Flood / Capture  


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