ARKANSAW SD 1 STP - Secondary Wastewater Treatment in Town of Waterville, Wisconsin

ARKANSAW SD 1 STP is a municipal wastewater treatment facility located in the Town of Waterville, Pepin County, Wisconsin. The plant serves a small population of 555 residents and operates as part of the local infrastructure managed by the town. The plant provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for most municipal facilities. Its designed capacity is 124.92 million gallons per year, and it discharges an average of 49.21 million gallons annually. As a small agglomeration, it is subject to EPA NPDES permitting through the Wisconsin Department of Natural Resources. The treated effluent is discharged into a receiving water body that drains into the Chippewa River system, which ultimately flows into the Mississippi River. This watershed supports diverse aquatic life and is an important ecological corridor in the Upper Mississippi River Basin.

The plant discharges into a local waterway that is part of the Chippewa River watershed, which flows into the Mississippi River. This region supports a variety of fish and wildlife, including migratory birds and freshwater mussels. The Mississippi River downstream is a major ecological and economic resource, and maintaining water quality is critical for recreation, drinking water, and habitat.