Overview
NOKOMIS STP serves 2,590 people in Montgomery County, Illinois. The plant operates under U.S. EPA NPDES regulations for municipal wastewater treatment.
NOKOMIS STP is a municipal wastewater treatment plant located on Hamilton Street in Montgomery County, Illinois, serving a population of approximately 2,590 residents. The facility is part of the region's wastewater infrastructure, handling domestic sewage from the local community. As a U.S. plant serving fewer than 10,000 people, it falls under the EPA's NPDES permitting framework, which requires secondary treatment as a baseline. Typical facilities of this scale employ conventional activated sludge or lagoon systems to meet permit limits. The treated effluent from NOKOMIS STP likely discharges to a local stream or river within the Mississippi River basin, which ultimately drains to the Gulf of Mexico. The plant plays a role in protecting downstream water quality and aquatic habitats in the region.
Environmental context
The plant discharges into a tributary of the Mississippi River system, which flows south to the Gulf of Mexico. This watershed supports diverse aquatic life and is an important migratory corridor for birds and fish. The plant's operations help reduce nutrient and pollutant loads that could otherwise contribute to hypoxia in the Gulf.
Frequently asked questions
NOKOMIS STP is located on Hamilton Street in Montgomery County, Illinois, United States.
NOKOMIS STP serves a population of 2,590 people in the Montgomery County area.
The treated effluent from NOKOMIS STP is discharged into a local waterway within the Mississippi River basin, which ultimately flows to the Gulf of Mexico.
As a U.S. municipal wastewater plant, NOKOMIS STP operates under the Clean Water Act and is subject to an EPA NPDES permit issued by the state of Illinois.
Plants of this scale in the U.S. typically use secondary treatment processes such as activated sludge, trickling filters, or lagoon systems to meet EPA effluent guidelines.
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