Willshire WWTP and Sewer System - Secondary Treatment Plant in Ohio

Willshire WWTP and Sewer System is a municipal wastewater treatment facility located in Willshire, Ohio, a small village in Van Wert County. The plant serves a population of 556 residents, reflecting its role in managing local domestic wastewater. As a secondary treatment plant, it provides biological treatment to reduce organic pollutants and suspended solids before discharge. The plant operates under the regulatory framework of the US Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all point source discharges. For small communities like Willshire, secondary treatment is the standard requirement to protect water quality. The facility has a designed capacity of 253.62 units and currently processes 181.70 units, indicating operational headroom. The treated effluent is discharged into a local water body that ultimately drains into the Maumee River basin, which flows into Lake Erie. This watershed is part of the Great Lakes system, a critical freshwater resource supporting diverse aquatic life and regional water supply. The plant's performance is important for maintaining the ecological health of downstream waters.

The plant discharges into a tributary of the Maumee River, which flows into Lake Erie, part of the Great Lakes system. This watershed supports diverse aquatic species and is a vital freshwater resource. The region's agricultural land use can contribute nutrient runoff, making effective wastewater treatment important for preventing eutrophication in the lake.