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

Adopted Orders

Most orders adopted by the Regional Board since 1 July 2002 are posted on this web site. If you do not find the order of interest, you may send an email request to info5@waterboards.ca.gov.

Select a Topic

Searching for an Order

  • Use the “Find” command from the Edit menu at the top of your browser window to search for a portion of the discharger name, facility name, county or order number.

Change of Name and/or Ownership of Facilities Having Waste Discharge Requirements