Wastewater Treatment Facility

WWTF Aerial.jpg
The Wastewater Treatment Facility is responsible for the collection and treatment of wastewater generated by residential, commercial, and industrial dischargers before final discharge to the Big Sioux River according to the conditions of the city's SDDENR Surface Water Discharge Permit. The Wastewater Department consists of the collections, operations, laboratory, and industrial pretreatment subdivisions, which operate and maintain the wastewater treatment facility and the sanitary sewer collection system.
  1. Sump Pump Variance

    Temporary Sump Pump Variance Period - Cancelled - Effective March 29, 2020

    Posted on April 6, 2020

    Due to the potential for flood conditions and a significant increase in flow at the wastewater facility (about 2 MGD), the temporary variance period for sump pumps to discharge clear water to the sanitary sewer was cancelled on March 29, 2020. Read on...
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