Hatfield SD 1 STP - Town of Adams, Wisconsin Wastewater Treatment Plant

Hatfield SD 1 STP is a municipal wastewater treatment facility located in the Town of Adams, Jackson County, Wisconsin. It serves a small population of 670 residents in the rural Hatfield area, operating under the regulatory framework of the US Clean Water Act. The plant provides secondary treatment, which is the standard level for small communities in the United States. With a designed capacity of 329.33 million gallons per year and an actual discharge volume of 132.49 million gallons per year, the facility operates well below its capacity, indicating room for future growth. The treated effluent is discharged into local streams that drain into the Black River, a tributary of the Mississippi River. This watershed supports diverse aquatic life and is part of the larger Mississippi River basin, which is ecologically significant for migratory fish and waterfowl.

The plant discharges into tributaries of the Black River, which flows into the Mississippi River. The Black River watershed supports diverse aquatic habitats, including wetlands and forests, and is important for fish spawning and migratory birds. The Mississippi River downstream provides critical ecosystem services for the central United States.