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About the Sewer Division

RWQCP Administration and Lab Building

RWQCP Primary Treatment Clarifiers

RWQCP Aeration Basins

RWQCP Primary Treatment

Grease to Gas facility

Aerial of RWQCP Expansion Progress

  • rwqcp admin
  • primary treatment clarifiers
  • RWQCP aeration basins
  • primary treatment clarifiers
  • grease to gas
  • bid 6884 during construction photo

City of Riverside's Water Quality Control Plant Receives Peak Performance Award

RIVERSIDE, Calif. – The City of Riverside Public Works Department’s Water Quality Control Plant has been selected to receive a Gold Peak Performance Award. The Peak Performance Awards program presented by the National Association of Clean Water Agencies (NACWA) recognizes public wastewater treatment facilities for their outstanding compliance records in the 2012 calendar year. The Gold Peak Performance Award honors those that have achieved 100 percent discharge compliance for an entire calendar year, ensuring safe water for the enjoyment of all. Read More...

About the RWQCP

Riverside operates and maintains a wastewater collection system serving a population of more than 300,000 within the City and surrounding areas. More than 800 miles of public sewers convey wastewater from residences and businesses to the Riverside Regional Water Quality Control Plant (RWQCP). At the plant, wastewater is made clean and safe through tertiary treatment before it is reused for irrigation or discharged to the Santa Ana River.

Collecting and treating the region’s wastewater requires coordination and teamwork. The Sewerage Systems Division is made up of highly trained, State-certified personnel working 24 hours a day to oversee all aspects of the collection and treatment processes. Through their efforts, Riverside improves water quality in a manner consistent with Federal and State regulations.

The R.V. Dump Station is now OPEN! Click here for more information.

Quick Links
Sewer Rates & Fees
2019 Sewer Master Plan
Other Wastewater Resources
General Information
Riverside Water Quality Control Plant (RWQCP)
5950 Acorn Street
Riverside, CA 92504

Phone: (951) 826-5311
The 311 Call Center is open during normal business hours to assist you.

After Hours Phone: (951) 351-6140
In case of an emergency or sanitary sewer overflow, please contact the RWQCP after hours number for immediate assistance.

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