NWWSD Cygnet WWTP and Sewer System - Secondary Treatment Plant in Cygnet, Ohio

The NWWSD Cygnet WWTP and Sewer System is a municipal wastewater treatment facility located in Cygnet, Ohio, United States. The plant serves a small community of about 1,017 residents and operates under the regulatory framework of the US Clean Water Act, which requires secondary treatment for municipal discharges. The plant provides secondary treatment, a standard level that removes biodegradable organic matter and suspended solids. Its designed capacity is 340.69 megaliters per year, with an actual discharge volume of 189.27 megaliters per year, indicating operational capacity below design levels. The treated effluent is discharged into local waterways that ultimately drain into the Great Lakes Basin, specifically Lake Erie. This watershed supports diverse aquatic life and provides drinking water for millions. The plant's performance is critical to maintaining water quality in the region.

The plant discharges into the Maumee River watershed, which flows into Lake Erie, part of the Great Lakes system. This area is ecologically sensitive, supporting diverse fish populations and serving as a vital freshwater resource. Nutrient management is a key concern due to historical algal blooms in Lake Erie.