Wastewater Treatment Facility


The Saint Peter Wastewater Treatment Facility (WWTF) is located at 400 West St. Julien Street.  This project is the result of 10 years of planning, design and construction.  By utilizing advanced technology, with careful attention to detail, this facility will provide effective treatment of wastewater for the Saint Peter area for decades to come.  Its completion and operation demonstrate the commitment of Saint Peter and its citizens to the preservation of Minnesota's resources, protecting the environment for future generations.


Wastewater Treatment Plant Information

Type: Advanced secondary using bioliogically aerated filters with ultraviolet disinfection

Capacity Average Dry Season: 2 million gallons per day

Capacity Average Wet Season: 4 million gallons per day

Capacity Average: 1.28 million gallons per day

Discharges to: Minnesota River

Communities served: 2

Population served: 12,000

Wastewater Treatment Facility (Brochure)

If your school or group would like to take a tour and learn more, please contact (507) 934-0670.  The WWTF contains the Traverse des Sioux Laboratory.


Resource Links

Child makes Lego Wastewater Plant and How it Operates (Video)