Stormwater

Stormwater

NPDES Program

In 1972, the United States Congress passed amendments which significantly enhance the federal laws governing water pollution in the United States. These and subsequent amendments comprise the Clean Water Act (CWA) which establishes a framework for regulating municipal and industrial (including construction) storm water discharges under the National Pollutant Discharge Elimination System (NPDES) permit. Section 402(p) of the CWA requires NPDES permits for storm water discharges from municipal separate storm sewer systems (MS4), as well as other designated storm water discharges that are considered significant contributors of pollutants to waters of the United States.

Riverside’s MS4 Permit

In accordance with the CWA, the Santa Ana Regional Water Quality Control Board developed the NPDES Permit and Waste Discharge Requirements Order No. R8-2010-0033 (MS4 Permit) for the Riverside County Flood Control District, the County of Riverside, and many incorporated cities of Riverside County within the Santa Ana Region.

This MS4 Permit requires the City to perform various activities including:

  • Create and enforce ordinances
  • Conduct inspections on businesses, construction sites, and other facilities
  • Ensure new development is built using Low Impact Development (LID) techniques
  • Educate the Public
  • Maintain City facilities
  • and more

Resources
Quick Links
Other Wastewater Resources
General Information
Address:
Riverside Regional Water Quality Control Plant (RRWQCP)
5950 Acorn Street
Riverside, CA 92504

Phone: (951) 351-6140

Admin Hours:
Hours: M-F 7:30 am-4:30 pm  
Closed on Weekends and Major Holidays
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