Skip to Main Content
Contact Us

Project: LA Flood Control District West Coast Basin Barrier (Manhattan Beach Wells) - Construction Project

Description: The project includes planning, design, and construction of eleven new injection wells which will provide a sea water intrusion barrier and will protect drinking water supply wells in the cities of Manhatten Beach and Hermosa Beach. The Project will also include destruction of eight existing injection wells, which have reached their useful life and may cause subsidence or aquifer cross contamination.

Reference Number: 3940P01D1812518

Implemented By: Los Angeles Flood Control District

Objective: Prevent seawater intrusion from entering drinking water aquifers.

Type: Water Management

Total Cost: $14,109,243.00

Project Status: Project Implementation

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

Estimated Completion: 9/30/2022    Actual Completion:

Associated Counties: Los Angeles

Project Benefits a Disadvantaged Community (or SDAC): No

Contribution SourcesContribution DateContribution Amount
Private Contribution9/21/2018$7,060,307.00
Prop. 1, Groundwater Sustainability9/21/2018$7,048,936.00

Project MetricMetric TopicQuantityUnit
Water ManagementGroundwater Remediation  

Water Action Plan Target

Provide Safe Water for All CommunitiesAction Description


loading loading