GREENTOP WWTP - Adair County, Missouri Wastewater Treatment Plant

GREENTOP WWTP is a municipal wastewater treatment facility located in Adair County, Missouri, United States. The plant serves a small population of 442 residents and operates as part of the region's wastewater infrastructure. Its location in rural northeastern Missouri places it within the Mississippi River watershed. The plant provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal facilities of this scale. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant has a designed capacity of 283.91 megaliters and currently discharges 151.42 megaliters annually, indicating it operates below capacity. The treated effluent from GREENTOP WWTP is discharged into local waterways that ultimately drain into the Mississippi River basin. This downstream connection to one of North America's major river systems underscores the importance of effective treatment in protecting water quality and aquatic habitats in the region.

GREENTOP WWTP discharges into streams that flow into the Mississippi River basin, a major watershed supporting diverse aquatic life and providing drinking water for millions. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream ecosystems including wetlands and floodplains that serve as critical habitat for fish and migratory birds.