Edison WWTP and Sewer System - Delaware County, Ohio Wastewater Treatment

Edison WWTP and Sewer System is a municipal wastewater treatment facility located in Delaware County, Ohio, serving a small population of 437 residents. The plant is situated near Lewis Center Road and Olentangy High School, within the Olentangy River watershed. The plant provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for facilities of this scale. Secondary treatment typically involves biological processes to remove organic matter and suspended solids. The plant has a designed capacity of 189.27 million gallons per day and currently treats an average daily flow of 151.42 million gallons, indicating operational capacity below design limits. Treated effluent from the plant is discharged into local streams that flow into the Olentangy River, a tributary of the Scioto River, which ultimately drains into the Ohio River. The Olentangy River supports diverse aquatic life and provides recreational opportunities. The plant's operations are regulated under the National Pollutant Discharge Elimination System (NPDES) permit program to protect water quality.

The plant discharges into the Olentangy River watershed, which flows into the Scioto River and then the Ohio River. The Olentangy River supports diverse fish and macroinvertebrate communities and is an important recreational resource for central Ohio. The plant's secondary treatment helps reduce nutrient and organic loads, protecting downstream water quality in the Ohio River basin.