Wastewater Treatment Plant


The City's Wastewater plant treats an average of more than 6.5 million gallons of wastewater daily. The treated water is discharged back to the Missouri River. The plant has a capacity of 9.3 million gallons per day and has a staff of 15.

Wastewater is collected from nearly 22,000 customers and delivered to the Wastewater Treatment Plant through a 300 mile network of sewers ranging in size from 6" to 36". The system also includes 23 wastewater pumping stations.
Bismarck Wastewater Treatment Plant
The wastewater treatment plant provides secondary treatment of the community’s wastewater prior to its discharge into the Missouri River. The plant utilizes pretreatment, flow equalization, primary and final clarification, trickling filters, chlorination and dechlorination. Anaerobic sludge digestion and land application of sludge is employed. The plant continues to expand and upgrade existing infrastructure in order to meet all compliance requirements of the Clean Water Act.