Washington Co Deerfield Estates WWTP and Sewers - Advanced Treatment in Marietta, Ohio

Washington Co Deerfield Estates WWTP and Sewers is a municipal wastewater treatment facility located in Marietta, Ohio, within Washington County. The plant serves a small population of 165 residents and is part of the local infrastructure managed by Washington County Commissioners. Its advanced treatment level ensures high-quality effluent before discharge. The plant has a designed capacity of 83.28 thousand gallons per day and currently discharges an average of 75.71 thousand gallons per day. As a US facility, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Ohio Environmental Protection Agency. These permits set strict limits on effluent quality to protect receiving waters. The treated wastewater from this plant ultimately drains into the Muskingum River, which flows into the Ohio River and then the Mississippi River system. This watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant's advanced treatment helps minimize nutrient and pollutant loading, contributing to the ecological health of the Ohio River basin.

The plant discharges into the Muskingum River, a tributary of the Ohio River, which flows into the Mississippi River and eventually the Gulf of Mexico. The Muskingum River watershed supports diverse aquatic species and is used for recreation and drinking water. The plant's advanced treatment reduces nutrient loads, helping to mitigate downstream eutrophication in the Gulf of Mexico hypoxic zone.