Hewitt SD WWTP - Secondary Wastewater Treatment in Hewitt, Wisconsin

Hewitt SD WWTP is a municipal wastewater treatment facility located in Hewitt, Wisconsin, United States. The plant serves a small population of 616 residents, providing secondary treatment to meet state and federal water quality standards. The plant's designed capacity is 193.06 megaliters, with an annual discharge volume of 151.42 megaliters. As a secondary treatment facility, it meets the minimum requirements under the US Clean Water Act for municipal wastewater treatment, which mandates secondary treatment for all publicly owned treatment works. The treated effluent is discharged into local waterways that drain into the Wisconsin River basin, ultimately contributing to the Mississippi River system. The plant plays a key role in protecting downstream aquatic ecosystems and maintaining water quality in the region.

The plant discharges into the Wisconsin River watershed, which flows into the Mississippi River and eventually the Gulf of Mexico. The receiving waters support diverse aquatic life and are important for regional biodiversity. The plant's secondary treatment helps reduce nutrient loads and protect downstream habitats.