Overview
Westtown Twp STP serves 3,518 residents in Westtown Township, Pennsylvania. The plant operates under US EPA NPDES regulations for municipal wastewater treatment.
Westtown Twp STP is a municipal wastewater treatment facility located in Westtown Township, Chester County, Pennsylvania. The plant serves a population of approximately 3,518 people, classifying it as a small-scale treatment facility within the region. As a US-based plant, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Pennsylvania Department of Environmental Protection. For facilities of this size, secondary treatment is typically required to meet effluent limits for biochemical oxygen demand and total suspended solids. The plant's treated effluent is discharged into local waterways within the Delaware River Basin. The Delaware River watershed supports diverse aquatic life and provides drinking water for millions in the northeastern United States. Proper treatment helps protect downstream ecosystems and water quality.
Environmental context
The plant discharges into tributaries of the Delaware River, which flows into Delaware Bay and ultimately the Atlantic Ocean. The Delaware River Basin is ecologically significant, supporting migratory fish species such as American shad and providing habitat for freshwater mussels. The region's watershed is also a critical drinking water source for Philadelphia and surrounding communities.
Frequently asked questions
Westtown Twp STP is located on Wilmington Pike in Westtown Township, Chester County, Pennsylvania, United States.
The plant serves a population of 3,518 people, making it a small-scale municipal wastewater treatment facility.
The plant discharges treated effluent into local waterways within the Delaware River Basin, which flows to Delaware Bay and the Atlantic Ocean.
As a US facility, it operates under the Clean Water Act and is regulated by an NPDES permit issued by the Pennsylvania Department of Environmental Protection.
For small plants of this size, secondary treatment is standard, typically involving biological processes to reduce organic matter and suspended solids before discharge.
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