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Operations
The operations staff is responsible for operating the wastewater treatment facility and the land application of the biosolids generated by the facility in compliance with the associated permits issued by the South Dakota Department of Environment and Natural Resources.

Wastewater Treatment Process
Treatment of the wastewater is accomplished by mechanical and biological means. Grit, gravel, and large non-treatable particles are removed via mechanical means. These wastes are hauled to the landfill for disposal. The solids or sludge generated by the wastewater treatment facility are separated from the wastewater and are treated to meet permit limits prior to land application.

The wastewater is treated by biological processes to reduce biochemical oxygen demand, ammonia and various other pollutants.

The final processes before discharge are ultra-violet disinfection and post aeration. Flow measurement and pollutant monitoring occur prior to discharge into the Big Sioux River to document the quantity and quality of the water that is discharged.

Tours
Tours of the Wastewater Treatment Facility are available by appointment. Please call 605-882-6244 if you would like to schedule a tour.

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Contact Us
Wastewater Treatment Facility
1300 11th Street SE
Watertown, SD 57201
Email Facility

Hours: 8 am - 5 pm Monday - Friday
(605) 882-6244

After hours: Police Department
(605) 882-6210

Superintendent
(605) 882-6243