Rawson WWTP and Sewer System - Hancock County, Ohio Wastewater Treatment

Rawson WWTP and Sewer System is a municipal wastewater treatment facility located on County Road 54 in Hancock County, Ohio, United States. The plant serves a population of about 1,015 residents, making it a small-scale facility within the state's wastewater infrastructure. The plant provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal wastewater. With a designed capacity of 552.67 cubic meters per day and a discharge volume of 378.54 cubic meters per day, the facility operates under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Ohio Environmental Protection Agency. The treated effluent is discharged into local streams that drain into the Blanchard River, a tributary of the Auglaize River, which flows into the Maumee River and ultimately reaches Lake Erie. This watershed is part of the Great Lakes Basin, supporting diverse aquatic life and recreational uses. The plant's operation helps protect downstream water quality in this ecologically significant region.

The plant discharges into local waterways that flow into the Blanchard River, part of the Maumee River watershed, which drains into Lake Erie. Lake Erie is a vital freshwater resource supporting fisheries, recreation, and drinking water for millions. The region's agricultural land use can contribute nutrient runoff, making effective wastewater treatment important for controlling nutrient loads and preventing harmful algal blooms in the lake.