Overview
Saxonburg Area STP serves Jefferson Township, Pennsylvania, treating wastewater for approximately 14,564 residents. The plant operates under the US Clean Water Act framework.
Saxonburg Area STP is a municipal wastewater treatment facility located in Jefferson Township, Butler County, Pennsylvania. It serves a population of about 14,564 people in the Saxonburg area, situated inland within the Ohio River basin. As a US facility serving a medium-sized agglomeration, the plant is subject to National Pollutant Discharge Elimination System (NPDES) permitting under the Clean Water Act. Treatment standards for plants of this scale typically require secondary treatment, with possible additional nutrient controls depending on the receiving water body's sensitivity. The plant discharges into local waterways that ultimately drain into the Ohio River, a major tributary of the Mississippi River system. This watershed supports diverse aquatic life and provides drinking water for downstream communities, making effective treatment essential for regional water quality.
Environmental context
The plant's treated effluent flows into tributaries of the Ohio River, which joins the Mississippi River and empties into the Gulf of Mexico. This inland watershed supports a variety of fish and wildlife species, and nutrient loading from wastewater can contribute to downstream hypoxia in the Gulf. The plant's location in a rural-suburban area means local streams may have limited dilution capacity, emphasizing the importance of consistent treatment performance.
Frequently asked questions
Saxonburg Area STP is located at 696 Dinnerbell Road, Jefferson Township, Butler County, Pennsylvania, United States.
The plant serves approximately 14,564 people in the Saxonburg area and surrounding Jefferson Township.
The plant discharges treated effluent into local streams that are part of the Ohio River watershed, ultimately flowing to the Mississippi River and Gulf of Mexico.
As a US facility, it operates under the Clean Water Act and is required to have an NPDES permit issued by the Pennsylvania Department of Environmental Protection, which sets effluent limits and monitoring requirements.
Plants of this size in Pennsylvania typically provide secondary treatment, and may include additional nutrient removal if discharging to sensitive waters. The NPDES permit specifies the required treatment based on local water quality standards.
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