Barnard WWTP - Secondary Treatment Plant in Barnard, Missouri

Barnard WWTP is a municipal wastewater treatment facility located in Barnard, Missouri, United States. The plant serves a small population of 234 residents and operates under secondary treatment standards, which is the minimum required by the US Clean Water Act for municipal plants. The plant has a designed capacity of 113.56 megaliters per year and currently discharges 75.71 megaliters per year, indicating it operates below its capacity. As a small facility in the US Midwest, it is subject to National Pollutant Discharge Elimination System (NPDES) permitting, which sets effluent limits to protect water quality. The treated effluent is discharged into local waterways that eventually drain into the Missouri River watershed, a major tributary of the Mississippi River. This region supports agricultural activities and diverse aquatic habitats, making proper treatment essential for downstream water quality.

The plant discharges into the Missouri River basin, which flows into the Mississippi River and ultimately the Gulf of Mexico. The local watershed supports agricultural runoff and seasonal variations in flow, requiring effective nutrient removal to prevent downstream eutrophication. The plant's secondary treatment helps reduce organic pollutants and suspended solids, protecting aquatic life in receiving streams.