Estrella County Park Biofiltration and Trash Capture Project
Total Cost: $5.1M | Completed January 2025 | Funded by Tax Dollars | This Project was in collaboration with the County of San Diego's Department of Parks and Recreation
2024 Achievement Award, National Association of Counties
2025 Project of the Year (Sustainable/Green Category), American Public Works Association, San Diego
This project improves water quality in the Sweetwater Watershed by removing pollutants and trash from stormwater runoff before they reach the Pacific Ocean.
The Sweetwater Watershed is part of the larger San Diego Bay Watershed. Learn how you can limit your watershed impact with our Educational Resources.
Learn more about the San Diego Bay Watershed on Project Clean Water.
Green Infrastructure elements of this project include:
18 gallons of trash removed from local waterways per year!
A trash capture device was installed under the parking lot to remove trash and debris from stormwater runoff before it enters the storm drain system, which discharges to the Sweetwater River, San Diego Bay, and ultimately the Pacific Ocean.
Two new biofiltrations basins to remove pollutants and improve water quality
Biofiltration basins remove pollutants, such as bacteria and debris, from stormwater runoff by allowing the runoff to filter through native plants and soil. It is a natural process that improves water quality and provides benefits such as green space and flood reduction.
Brand new parking lot with a solar-powered EV charging station
This project constructed a new parking lot with a solar-powered EV charging station.
Brand new sidewalks, picnic areas, and walking trails for community enjoyment
This new sustainable public space combines environmental protection with recreational value!
This project was in collaboration with the Department of Parks and Recreation.
The County of San Diego is proud to implement projects like this to improve water quality, support sustainability, and enhance our local communities.
Learn about our Other Green Infrastructure Projects
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Visit our Watershed Protection Program Home Page
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