Regional Wastewater Control Facility

What is wastewater?

There are over 116,000 sewer connections throughout the City.  Every time you run water down the drain or flush the toilet, that wastewater routes through over 900 miles of sanitary sewer lines to end up at the Regional Wastewater Control Facility (RWCF).  The Municipal Utility Department (MUD) is at work 24-hours a day, 7-days a week, making sure everything flows.  Once the wastewater arrives at our plant, it is treated to ensure that any water that is emptied into the Delta meets the highest water quality standards to protect our environment.

Every day, approximately 32 million gallons of sewage is processed at MUD.  The RWCF is a tertiary treatment plant that ensures only the cleanest water is discharged into the Delta.

Part of MUD's efforts to protect the environment is to create energy to power the plant from the waste that comes into the plant each day.  Over 40,000,000 pounds of sludge per day at a minimum is processed through environmentally safe procedures.  MUD’s cogeneration facility generates 17,600 kilowatts/year and the decomposition process for bio solids provides some of the energy for the engine generators.  This on site energy production supplies most of the plant’s power needs. 

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This City of Stockton web page last reviewed on --- 10/26/2011