Welcome to the California Regional Water Quality Control Board, Central Valley Region Welcome to the California Environmental Protection Agency
Governor

Waste Discharges to Surface Water - NPDES Program

small icon of envelope   Receive notifications, updates and other correspondence by e-mail.
Subscribe on-line to our NPDES Program, electronic mailing list.



*Downloading Large Files
Please allow sufficient time for the file to download completely. Depending on your internet connection service, browser version and computer speed, downloading may take 15 minutes or more for files that are larger than 1 MB. Some browsers, such as certain versions of Internet Explorer, do not show the progress of the download, making it appear that nothing is happening.

--Web page updated 03/01/2017