Overview
DWIGHT STP serves Dwight, Illinois, treating wastewater for approximately 4,363 residents. The plant operates under the US Clean Water Act framework, with state-issued NPDES permits governing its discharge.
DWIGHT STP is a municipal wastewater treatment plant located in Dwight, Livingston County, Illinois. Serving a population of about 4,363, the facility is part of the community's essential infrastructure for managing domestic wastewater. As a US-based plant serving a small agglomeration, DWIGHT STP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting. The Illinois Environmental Protection Agency oversees compliance, ensuring that treated effluent meets state water quality standards before discharge. The plant's treated effluent is discharged into a local waterway that ultimately drains into the Illinois River basin, contributing to the Mississippi River watershed. This connection underscores the plant's role in protecting downstream aquatic ecosystems and regional water quality.
Environmental context
The treated effluent from DWIGHT STP enters a local tributary within the Illinois River basin, which flows into the Mississippi River and eventually the Gulf of Mexico. This watershed supports diverse aquatic life and is an important migratory corridor for fish and birds. The plant's operations help maintain water quality in this ecologically significant system.
Frequently asked questions
DWIGHT STP is located on IL 47 in Dwight, Livingston County, Illinois, United States.
DWIGHT STP serves approximately 4,363 residents in the Dwight area.
The plant discharges treated effluent into a local waterway that is part of the Illinois River basin, which flows into the Mississippi River.
As a US plant, DWIGHT STP operates under the Clean Water Act and is regulated through the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Illinois Environmental Protection Agency.
For small agglomerations like Dwight, secondary treatment is typically required under the Clean Water Act, which includes biological processes to reduce organic matter and suspended solids.
Nearby plants