Stormwater Quality & Pollution Prevention

Stormwater Runoff Graphic (PDF) Opens in new windowWhen it rains in Wildomar, rainwater runs off rooftops, parking lots, driveways, lawns, cars, streets, and open land. Depending on its location in the City, this rainwater runoff (or stormwater runoff) drains to Lake Elsinore or to the Murrieta Creek, either by surface flows or through a storm drain system. The Murrieta Creek drains to the Santa Margarita River which ultimately drains to the Pacific Ocean. Stormwater runoff carries with it all the pollutants it encounters. This runoff does not go to a sanitary sewer system or a treatment plant but is discharged directly to a waterbody without any treatment. In addition, water runoff that is not attributed to rain (also known as non-stormwater runoff) such as irrigation runoff, car washing runoff, or power washing runoff, also carries pollutants to downstream waterbodies. These pollutants can affect the quality of water in the waterbodies and limit beneficial uses of the waterbodies (such as swimming, fishing, drinking water, etc…). A visual representation of how stormwater runoff drains is provided on this page.

To address these sources of pollution in stormwater and non-stormwater runoff, the City of Wildomar implements a stormwater pollution program, referred to as a National Pollutant Discharge Elimination System (NPDES) Program. This page includes information regarding the City’s NPDES Program and how it applies to members of the Wildomar community.


To report a Stormwater Pollution Violation such as over-irrigation runoff, illicit connections to the storm drain system, or illegal discharges, please use the links or contact information in the following:

  • During Business Hours: 951-677-7751
  • After Hours: 951-677-7751, ext. 5
  • Urgent After Hours Reports (non-emergency): 951-776-1099
  • Via Emailing Public Works

Make a Report:

More Information

For more information about the City's NPDES Program, please contact Jason Farag.