Overview
Knightstown STP serves approximately 2,445 residents in Rush County, Indiana, USA. The plant discharges treated wastewater into local waterways under the US Clean Water Act framework.
Knightstown STP is a municipal wastewater treatment facility located on SR 140 in Rush County, Indiana, serving a population of about 2,445. The plant operates within the US regulatory framework, where facilities of this scale are typically subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Indiana Department of Environmental Management. As a small agglomeration, the plant is expected to provide secondary treatment in accordance with Clean Water Act standards. The treated effluent is discharged into a receiving water body that ultimately drains into the Mississippi River Basin, contributing to the overall water quality management of the region. The plant plays a role in protecting local streams and downstream ecosystems from untreated wastewater impacts.
Environmental context
The plant discharges into a tributary of the Big Blue River, which flows into the Driftwood River and then the East Fork White River, part of the Mississippi River Basin. This watershed supports diverse aquatic life and provides habitat for fish and macroinvertebrates. The region's agricultural landscape means the plant's nutrient removal helps mitigate downstream eutrophication risks in the Gulf of Mexico.
Frequently asked questions
Knightstown STP is located on SR 140 in Rush County, Indiana, USA, serving the local community of about 2,445 residents.
The plant serves approximately 2,445 people in the Knightstown area of Rush County, Indiana.
The plant discharges treated effluent into a local tributary that flows into the Big Blue River, part of the Mississippi River Basin.
The plant operates under the US Clean Water Act, requiring an NPDES permit issued by the Indiana Department of Environmental Management, with secondary treatment standards for small agglomerations.
For small US plants serving around 2,400 people, secondary treatment is standard under the Clean Water Act, often involving biological processes like activated sludge or lagoons.
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