Overview
PARIS STP and CS serves approximately 9,300 residents in Paris, Kentucky. The plant discharges treated wastewater into local waterways within the Kentucky River basin.
PARIS STP and CS is a municipal wastewater treatment facility located in Paris, Bourbon County, Kentucky. The plant serves an estimated population of 9,304, placing it in the small-to-medium agglomeration category under U.S. regulatory frameworks. As a publicly owned treatment works (POTW), it operates under the U.S. Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all discharges into surface waters. The Kentucky Energy and Environment Cabinet oversees permitting and compliance for facilities of this scale. The plant's treated effluent is discharged into a receiving water body that ultimately drains into the Kentucky River, a major tributary of the Ohio River. The Kentucky River watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant's location in the Bluegrass region, characterized by karst topography and agricultural land use, underscores the importance of effective nutrient removal to protect local streams and groundwater.
Environmental context
The plant discharges into a tributary of the Kentucky River, which flows into the Ohio River and then the Mississippi River before reaching the Gulf of Mexico. The Kentucky River basin supports diverse fish populations and provides critical habitat for migratory birds. The surrounding Bluegrass region is known for its karst geology, making groundwater particularly vulnerable to contamination from surface runoff. Effective wastewater treatment is essential to prevent nutrient enrichment and protect downstream aquatic ecosystems.
Frequently asked questions
PARIS STP and CS is located on Liters Lane in Paris, Bourbon County, Kentucky, United States.
The plant serves approximately 9,304 residents in the Paris area.
The plant discharges treated effluent into a local waterway that flows into the Kentucky River, part of the Ohio River basin.
As a U.S. facility, it operates under the Clean Water Act and must comply with an NPDES permit issued by the Kentucky Energy and Environment Cabinet.
Plants of this scale in the U.S. typically provide secondary treatment, which includes biological processes to remove organic matter and suspended solids, as required by the Clean Water Act.
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