Connoquenessing Boro STP - Advanced Wastewater Treatment in Connoquenessing, Pennsylvania

Connoquenessing Boro STP is a municipal wastewater treatment facility located in Connoquenessing, Butler County, Pennsylvania. Serving a small population of 554 residents, the plant provides advanced treatment to protect local water quality. The facility is situated inland, far from coastal areas, and operates under the regulatory framework of the US Clean Water Act. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. With a designed capacity of 302.83 thousand gallons per day and a current discharge volume of 264.98 thousand gallons per day, the plant operates below its capacity, indicating room for growth. As a US facility, it is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Pennsylvania Department of Environmental Protection. The treated effluent from Connoquenessing Boro STP discharges into local streams that flow into the Ohio River basin, ultimately reaching the Mississippi River and the Gulf of Mexico. The plant plays a key role in protecting the aquatic ecosystems of the region, including the Ohio River's diverse fish and wildlife habitats.

The plant discharges into local tributaries of the Ohio River, which flows into the Mississippi River and then the Gulf of Mexico. The Ohio River basin supports diverse aquatic life, including numerous fish species and migratory birds. The advanced treatment helps reduce nutrient loading, which is critical for preventing algal blooms and hypoxia in downstream waters.