ARGYLE WWTP - Secondary Treatment Plant in Argyle, Missouri

ARGYLE WWTP is a municipal wastewater treatment facility located in Argyle, Osage County, Missouri. The plant serves a small population of 164 residents, reflecting the rural character of the community. It is situated along the closed Rock Island Trail, a former railway corridor now used as a recreational path. The plant provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal wastewater. Its designed capacity is 75.71 thousand gallons per day, matching the current discharge volume. As a small facility, it is subject to EPA National Pollutant Discharge Elimination System (NPDES) permitting, typically administered by the Missouri Department of Natural Resources. The treated effluent is discharged into a local waterway within the Missouri River basin. The plant's operations help protect downstream water quality in the Missouri River and ultimately the Mississippi River system. Proper treatment is essential for maintaining aquatic habitat and recreational uses in the region.

The plant discharges into a tributary of the Missouri River, which flows into the Mississippi River and eventually the Gulf of Mexico. The local watershed supports diverse aquatic life and is part of a larger river system that provides drinking water and recreation. Effective wastewater treatment is critical to prevent nutrient pollution and protect downstream ecosystems.