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Events Calendar

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Report illegal dumping in your area.


Learn how you can help keep our water clean.

About Us

We strive to protect the creeks and rivers of Contra Costa County watersheds and Bay and Delta waters by promoting public awareness of stormwater pollution prevention and supporting innovative approaches to meet State and Federal stormwater regulations.

Download October Newsletter

Contra Costa Clean Water Project September Newsletter


Current Permits

California Regional Water Quality Control Board San Francisco Bay Region Municipal Regional Stormwater NPDES Permit



Upcoming Events

ReScape Design Qualification Renewal Training

This renewal training includes information about soil fertility management, plant selection and care, irrigation design considerations, carbon farming and carbon sequestration, and green stormwater infrastructure measures.