We are committed to ensuring that our website is accessible to all users, including individuals with disabilities. While we are actively working to improve accessibility and meet WCAG 2.1 Level AA standards, some content may not yet be fully accessible. If you experience difficulty accessing any content on this site or need assistance, please email us at cleanwater@pw.cccounty.us or call 925-313-2360. We will make every reasonable effort to provide the information in an accessible format in a timely manner.
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.
Each year, the California Stormwater Quality Association (CASQA) honors individuals, projects, and programs that reflect its vision for sustainable stormwater management. This year, the Contra Costa Clean Water Program is honored to receive one such award for our revolutionary Regional Alternative Compliance (RAC) System.
The RAC System, developed in partnership with cities across Contra Costa County, helps infrastructure developers meet stormwater treatment requirements under the SF Bay Region Stormwater Permit. Instead of building their own individual stormwater treatment systems, developers can now purchase compliance units from off-site regional, larger-scale facilities. This saves time, reduces costs, and facilitates strategic development of larger infrastructure improvements.
By 2026, the RAC System will offer a scalable model for strengthening infrastructure in other regions. Learn more about the RAC System here.
How to Prevent Illegal Dumping
Fishing & Eating Safely From the Bay
| Report Spills/Illegal Dumping
