Los Coches Road Dry Weather Diversion Pilot Project

Total Cost: $2M | Completed Fall 2024 | Funded by Tax Dollars

Awarded 2025 Project of the Year, American Public Works Assocation, Environment Category

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This project improves water quality in Los Coches Creek and the San Diego River by removing pollutants and trash from stormwater runoff. 

The priority pollutant in this watershed is bacteria, which enters the storm drain system through pet waste, human waste, and litter. Learn how you can limit your watershed impact with our Educational Resources.

Learn more about the San Diego River Watershed on Project Clean Water.

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Green Infrastructure elements of this project include:

139 gallons of trash removed from local waterways per year!

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A trash capture device was installed under Los Coches Road to remove trash and debris from stormwater runoff before it enters the storm drain system, which discharges to the San Diego River and ultimately the Pacific Ocean.

1.3 million gallons of water contributed to local water supply per year!

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This project captures and diverts water runoff to the East County Water Purification Project, which treats water to drinking standards for reuse.

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The County of San Diego is proud to implement projects like this to improve water quality, support sustainability, and enhance our local communities.

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Learn about our Other Green Infrastructure Projects

Or

Visit our Watershed Protection Program Home Page