Overview
Portsmouth Lawson Run WWTP and Sewers serves approximately 25,292 people in Portsmouth, Ohio. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge into local waterways.
Portsmouth Lawson Run WWTP and Sewers is a municipal wastewater treatment facility located in Portsmouth, Scioto County, Ohio. Serving a population of about 25,292, it is a medium-sized agglomeration in the United States. As a U.S. facility, the plant is subject to the Clean Water Act and operates under a National Pollutant Discharge Elimination System (NPDES) permit issued by the Ohio Environmental Protection Agency. For a population of this scale, secondary treatment is typically required, with additional nutrient removal if discharging into sensitive waters. The plant's treated effluent is discharged into the Ohio River watershed, which flows into the Mississippi River and ultimately the Gulf of Mexico. This downstream connection places importance on controlling nutrient loads to prevent hypoxia in the Gulf.
Environmental context
The plant discharges into the Ohio River basin, part of the larger Mississippi River system that drains into the Gulf of Mexico. This watershed supports diverse aquatic life and is a critical migratory corridor for fish. Nutrient pollution from wastewater can contribute to algal blooms and hypoxia in the Gulf, making effective treatment essential for downstream ecosystem health.
Frequently asked questions
The plant is located in Portsmouth, Scioto County, Ohio, United States.
The plant serves approximately 25,292 people in the Portsmouth area.
The plant discharges treated effluent into the Ohio River watershed, which flows into the Mississippi River and ultimately the Gulf of Mexico.
As a U.S. facility, it operates under the Clean Water Act and is regulated by an NPDES permit issued by the Ohio Environmental Protection Agency.
For a population of this size, secondary treatment is standard, with possible nutrient removal if discharging into sensitive waters to meet water quality standards.
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