Williamsport WWTP and Sewer System - Secondary Treatment Facility in Ohio

Williamsport WWTP and Sewer System is a municipal wastewater treatment facility located in Williamsport, Pickaway County, Ohio. The plant serves a population of approximately 1,002 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 facilities. With a designed capacity of 567.81 cubic meters per day and an average daily discharge of 378.54 cubic meters per day, the plant operates well within its capacity. As a small facility, it is subject to National Pollutant Discharge Elimination System (NPDES) permitting, which sets effluent limits to protect water quality. The treated effluent is discharged into a local waterway that ultimately drains into the Scioto River basin, a major tributary of the Ohio River. The Ohio River flows into the Mississippi River and eventually reaches the Gulf of Mexico. The plant's discharge contributes to the overall water quality management of the Scioto River watershed, which supports diverse aquatic life and recreational uses.

The plant discharges into a tributary of the Scioto River, which flows into the Ohio River and then the Mississippi River, ultimately reaching the Gulf of Mexico. The Scioto River watershed supports a variety of fish species and provides habitat for migratory birds. The plant's secondary treatment helps reduce nutrient and organic pollutant loads, protecting downstream water quality in this agriculturally influenced region.