Neoga STP Wastewater Treatment Plant, Neoga, Illinois

Neoga STP is a municipal wastewater treatment facility located in Neoga, Illinois, a small town in Cumberland County. The plant serves a population of approximately 2,475 residents, classifying it as a small-scale treatment operation within the United States' wastewater infrastructure. Its location in the Midwestern United States places it in a region characterized by agricultural land use and small urban centers. As a small agglomeration in the United States, Neoga STP operates under the regulatory framework of the Clean Water Act, administered by the Illinois Environmental Protection Agency. Facilities of this scale typically employ secondary treatment processes to meet National Pollutant Discharge Elimination System (NPDES) permit requirements. The plant's treatment processes are designed to reduce organic matter and suspended solids to protect receiving water quality. The plant discharges treated wastewater into local waterways that ultimately drain into the Mississippi River Basin. The receiving water body supports aquatic life and contributes to the overall health of the downstream ecosystem. Proper treatment at this facility helps maintain water quality in the region's streams and rivers, which are important for both ecological balance and local water resources.

Neoga STP discharges into local streams that are part of the Kaskaskia River watershed, which flows into the Mississippi River. The Mississippi River Basin is a major ecological corridor supporting diverse aquatic species and migratory birds. The plant's operations help protect downstream water quality in this agriculturally intensive region, where nutrient loading from runoff is a concern. Effective treatment reduces the risk of eutrophication and maintains habitat conditions for fish and macroinvertebrates.