Overview
Letcher Co SD Millstone Alt STP is a secondary treatment plant serving 58 people in Millstone, Kentucky. It discharges 18.93 million gallons per day into local waterways.
Letcher Co SD Millstone Alt STP is a municipal wastewater treatment facility located in Millstone, Letcher County, Kentucky. The plant serves a small population of 58 residents, reflecting its role in a rural Appalachian community. The plant provides secondary treatment, which is the standard biological treatment required under the US Clean Water Act for municipal facilities. With a designed capacity of 34.07 million gallons per day and an actual discharge volume of 18.93 million gallons per day, the plant operates well within its capacity. The treated effluent is discharged into local streams that are part of the Kentucky River watershed, which ultimately flows into the Ohio River and then the Mississippi River. The plant plays a key role in protecting water quality in this ecologically sensitive region known for its coal mining history and diverse aquatic habitats.
Environmental context
The plant discharges into tributaries of the Kentucky River, which flows through the Appalachian region before joining the Ohio River. The downstream environment supports diverse aquatic life, including several species of freshwater mussels and fish. The watershed is ecologically sensitive due to historical mining impacts and requires careful management of nutrient and sediment loads.
Frequently asked questions
The plant is located at 74 Millstone Drive, Millstone, Letcher County, Kentucky, 41838, United States.
The plant serves a small population of 58 residents in the Millstone area.
The plant discharges treated effluent into local streams that are part of the Kentucky River watershed, which flows into the Ohio River and ultimately the Mississippi River.
The plant provides secondary treatment, which is the standard required under the US Clean Water Act for municipal wastewater facilities.
As a US facility, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Kentucky Division of Water, which set limits on pollutant discharges to protect water quality.
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