Jamestown STP - Advanced Wastewater Treatment in Jamestown, Pennsylvania

Jamestown STP is a municipal wastewater treatment facility located in Jamestown, Mercer County, Pennsylvania, serving a population of approximately 1,200. The plant provides advanced treatment, ensuring high-quality effluent before discharge into the local environment. As a small-scale facility, it plays a vital role in protecting public health and water quality in the region. The plant has a designed capacity of 946.35 cubic meters per day and currently treats an average daily flow of 643.52 cubic meters, indicating operational efficiency. Under the U.S. Clean Water Act, such facilities are regulated through National Pollutant Discharge Elimination System (NPDES) permits, which set strict limits on effluent quality to safeguard receiving waters. Treated wastewater from Jamestown STP is discharged into a local stream that flows into the Shenango River, part of the Ohio River basin. This watershed ultimately drains to the Mississippi River and the Gulf of Mexico. The plant's advanced treatment helps reduce nutrient and pollutant loads, supporting aquatic life and downstream water quality.

The plant discharges into a tributary of the Shenango River, which flows into the Ohio River and eventually the Mississippi River to the Gulf of Mexico. The local watershed supports diverse aquatic species and is used for recreation and drinking water supply. Advanced treatment at this facility helps minimize eutrophication risks and protects downstream ecosystems.