FOOTVILLE STP - Advanced Wastewater Treatment in Town of Plymouth, Wisconsin

FOOTVILLE STP is a municipal wastewater treatment facility located in the Town of Plymouth, Rock County, Wisconsin. Serving a population of 832, the plant provides advanced treatment to protect local water quality in this inland community. The plant operates with advanced treatment processes, meeting or exceeding the standards required under the US Clean Water Act. With a designed capacity of 431.54 volume units and an average daily discharge of 310.40 volume units, the facility maintains operational headroom for future growth. The treated effluent is discharged into local waterways that ultimately drain to the Rock River basin, a tributary of the Mississippi River system. This watershed supports diverse aquatic life and provides recreational and drinking water resources for downstream communities.

The plant discharges into the Rock River watershed, which flows southward through Wisconsin and Illinois before joining the Mississippi River. This basin supports a variety of fish species and migratory birds, and its water quality is managed under state and federal regulations to protect both ecological health and human uses such as recreation and drinking water.