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Wastewater Service


Wastewater Service

EMWD provides wastewater services to approximately 239,000 customers within its service area and currently treats approximately 43 million gallons per day of wastewater at its four active regional water reclamation facilities through 1,813 miles of sewer pipelines.

Treatment Process

EMWD treats wastewater to reuse for beneficial purposes. Every gallon of water that can be reused means that one more gallon can remain underground; or one more gallon doesn’t need to be imported from Northern California or from the Colorado River.

EMWD’s Regional Water Reclamation Facilities 

EMWD has five regional water reclamation facilities which treat approximately 46 million gallons of wastewater every day.

San Jacinto Valley Regional Water Reclamation Facility
Moreno Valley Regional Water Reclamation Facility
Perris Valley Regional Water Reclamation Facility
Sun City Regional Water Reclamation Facility
Temecula Valley Regional Water Reclamation Facility


Pre-Treatment Program

Wastewater Source Control Program

EMWD’s wastewater Source Control Program is a pollution control program federally mandated under the Clean Water Act to regulate the discharges of industrial and commercial facilities to the sanitary sewer system. The goals of the program are to: