Protecting Our Waterways

From regulatory compliance to public education and water quality improvement projects, the OC Watersheds Program has a diverse role in preserving, protecting, and enhancing the coastal resources and surface waters throughout Orange County. Follow the links below to find out more about what we do and the waterways of Orange County.

Stormwater Program: find out what NPDES is, see local regulations on stormwater, learn about the role of storm drains, get information on Best Management Practices (BMPs), and get details on what cities and the County are doing for better stormwater quality.

TMDLs: find out the regulations behind a Total Maximum Daily Load (TMDL), existing and future TMDLs in Orange County, TMDL implementation plans, and monitoring and compliance efforts.

Adopt A Channel: find out about the countywide Adopt A Channel program.

Low Impact Development Project: find out about OC Public Works' Low Impact Development retrofit of the Glassell Campus in Orange.

OC Environmental Resources Data Portal: access interactive maps and GIS data.