Monroe Co PWSD2 Rush Hill WWTP - Secondary Treatment Plant in Rush Hill, Missouri

Monroe Co PWSD2 Rush Hill WWTP is a municipal wastewater treatment facility located on Church Street in Rush Hill, Audrain County, Missouri. The plant serves a small population of 151 residents, reflecting its role in a rural community within the central United States. The facility provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for municipal plants of this scale. Secondary treatment typically involves biological processes to remove organic matter and suspended solids. The plant has a designed capacity of 56.78 megaliters per year and currently discharges 45.43 megaliters annually, indicating operational capacity within design limits. The treated effluent is discharged into local waterways that ultimately drain into the Mississippi River basin. The plant's operations are subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Missouri Department of Natural Resources, ensuring compliance with water quality standards to protect downstream aquatic ecosystems.

The plant discharges into streams within the Mississippi River watershed, which flows into the Gulf of Mexico. The receiving waters support diverse aquatic life and are part of a larger basin that experiences seasonal variations in flow. Downstream ecosystems include wetlands and floodplains that provide habitat for fish and migratory birds.