Overview
LANCASTER AREA SEWER AUTH STP serves Manor Township, Pennsylvania, treating wastewater for approximately 27,273 residents. The plant operates under the US Clean Water Act NPDES permit program.
The LANCASTER AREA SEWER AUTH STP is a municipal wastewater treatment facility located in Manor Township, Lancaster County, Pennsylvania. It serves a population of approximately 27,273 people, classifying it as a medium-sized agglomeration under US regulatory frameworks. The plant is situated near the Susquehanna River, which ultimately drains into the Chesapeake Bay. As a US facility, the plant operates under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Pennsylvania Department of Environmental Protection. The Clean Water Act requires secondary treatment as a minimum for municipal plants of this scale, with additional nutrient removal standards applicable in the Chesapeake Bay watershed to address eutrophication. The plant's treated effluent discharges into the Susquehanna River, a major tributary of the Chesapeake Bay. The bay is the largest estuary in the United States and supports diverse aquatic life, including blue crabs, oysters, and migratory fish. Nutrient pollution from wastewater is a key concern in this watershed, driving advanced treatment requirements for many facilities.
Environmental context
The plant discharges into the Susquehanna River, which flows south through Pennsylvania and Maryland into the Chesapeake Bay. The bay is a critical estuarine ecosystem supporting commercial fisheries and migratory bird populations. Nutrient loading from wastewater in this watershed contributes to algal blooms and hypoxic zones, making advanced nutrient removal an important operational consideration.
Frequently asked questions
The plant is located at 4377 Blue Rock Road, Central Manor, Manor Township, Lancaster County, Pennsylvania, United States.
The plant serves approximately 27,273 residents in the Manor Township area.
The plant discharges treated effluent into the Susquehanna River, which flows into the Chesapeake Bay.
As a US municipal wastewater plant, it operates under the National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits based on technology and water quality standards. Plants in the Chesapeake Bay watershed often face additional nutrient reduction requirements.
Plants of this scale in Pennsylvania typically provide secondary treatment as a minimum, with many incorporating advanced nutrient removal to meet Chesapeake Bay restoration goals. The Pennsylvania Department of Environmental Protection oversees compliance.
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