Goldentop Road Water Quality Improvement Project

Estimated Cost: $1.2M | Completed December 2025

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Located in the San Dieguito Watershed, this project improves water quality in Artesian Creek and the San Dieguito River by removing trash and pollutants from stormwater runoff.

Learn how you can limit your watershed impact with our Educational Resources.

Learn more about the San Dieguito Watershed on Project Clean Water.

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Green Infrastructure elements include:

1,000 gallons of trash removed from local waterways per year!

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An underground full trash capture device was installed under Goldentop Road to remove trash and debris from stormwater runoff before it enters the storm drain system, which discharges to the San Dieguito River and ultimately the Pacific Ocean.

Natural solutions remove pollutants from stormwater runoff

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Proprietary biofiltration systems are manufactured green infrastructure systems that use specialized filter media to remove pollutants from stormwater, mimicking the natural cleaning process found in nature.

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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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