Overview
Upper Allegheny JSA STP in Tarentum, Pennsylvania serves approximately 33,406 people. The plant operates under the US Clean Water Act and NPDES permit program.
Upper Allegheny JSA STP is a municipal wastewater treatment plant located in Tarentum, Allegheny County, Pennsylvania. The facility serves a population of around 33,406, placing it in the medium agglomeration category for US wastewater infrastructure. 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 plants of this scale, secondary treatment is typically required, and permits set limits on effluent quality to protect receiving waters. The plant discharges into the Allegheny River watershed, which flows into the Ohio River and ultimately the Mississippi River system. The Allegheny River supports diverse aquatic life and is an important regional water resource. The plant's operations help maintain water quality in this major river basin.
Environmental context
The plant discharges into the Allegheny River, a major tributary of the Ohio River. The Allegheny River flows through western Pennsylvania and joins the Monongahela River at Pittsburgh to form the Ohio River, which drains to the Mississippi River and the Gulf of Mexico. The watershed supports diverse fish populations and is used for recreation and drinking water supply. Protecting water quality in this basin is critical for downstream ecosystems and communities.
Frequently asked questions
Upper Allegheny JSA STP is located at 325 East 4th Avenue, Tarentum, Allegheny County, Pennsylvania, United States.
The plant serves approximately 33,406 people, classifying it as a medium-sized municipal wastewater treatment facility.
The plant discharges treated effluent into the Allegheny River, which flows into the Ohio River and eventually the Mississippi River system.
As a US plant, it operates under the Clean Water Act and is permitted through the National Pollutant Discharge Elimination System (NPDES), enforced by the Pennsylvania Department of Environmental Protection.
Plants of this scale in Pennsylvania typically provide at least secondary treatment, which includes biological processes to remove organic matter and suspended solids, meeting NPDES permit limits.
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