BALTIC MUNIC WWT FACILITY - Secondary Wastewater Treatment in Baltic, South Dakota

BALTIC MUNIC WWT FACILITY serves the community of Baltic, South Dakota, a small town in Minnehaha County. The plant provides secondary treatment for a population of 694, reflecting its role in managing municipal wastewater for this rural agglomeration. As a secondary treatment facility, the plant meets the standard requirements under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater. The plant's designed capacity of 227.12 cubic meters per day and actual discharge volume of 378.54 cubic meters per day indicate operational dynamics typical of small-scale systems. The treated effluent is discharged into local waterways that drain into the Big Sioux River basin, eventually reaching the Missouri River. This watershed supports agricultural and ecological systems in eastern South Dakota, making proper treatment essential for protecting water quality and aquatic habitats.

The plant discharges into the Big Sioux River watershed, which flows southward through South Dakota and Iowa before joining the Missouri River near Sioux City. This basin supports diverse aquatic life and is used for irrigation and recreation. The plant's secondary treatment helps reduce nutrient and pathogen loads, protecting downstream ecosystems in the Missouri River system.