Hamilton STP - Wastewater Treatment Plant in Hamilton, Illinois

Hamilton STP is a municipal wastewater treatment plant located at 333 North 2nd Street in Hamilton, Hancock County, Illinois. It serves a population of approximately 3,200 residents, typical of a small community in the Midwestern United States. As a small-scale facility, Hamilton STP is subject to the US Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permit requirements administered by the Illinois Environmental Protection Agency. For communities of this size, secondary treatment is the standard expectation, ensuring removal of organic matter and suspended solids before discharge. The plant discharges into a local water body that ultimately drains into the Mississippi River Basin. The Mississippi River and its tributaries support diverse aquatic life and are vital for regional water quality. Proper treatment at plants like Hamilton STP helps protect downstream ecosystems and recreational uses.

Hamilton STP discharges into a receiving water body within the Mississippi River Basin. The Mississippi River is a major North American waterway that flows into the Gulf of Mexico, supporting diverse aquatic ecosystems and providing habitat for fish and migratory birds. The plant's treatment helps maintain water quality in this ecologically significant watershed.