Stay Connected with the Western Riverside County Regional Wastewater Authority Treatment Plant. Please call or email your questions/comments. All inquiries will be responded to within 24 hours of receipt during regular business hours: Monday to Friday, 9 a.m. to 5 p.m.

Phone: 951.789.5189
Emergencies: (afterhours emergencies only): 951.789.5109

If you are experiencing odors, please contact the WRCRWA call center:

Daytime working hours (M-F, 7 am – 4 pm) 951.789.5189
Off hours and weekends 24-HOUR HOTLINE Mention “WRCRWA ODOR” 951.789.5109

The WRCRWA Treatment Plant is located at:

14634 River Road Corona, California 928800

To receive updates about upcoming meetings and project updates, sign up for email and/or WRCRWA notifications.