Hermitage WWTP - Secondary Wastewater Treatment in Hermitage, Missouri

Hermitage WWTP is a municipal wastewater treatment plant located in Hermitage, Hickory County, Missouri, United States. The facility serves a small population of 467 residents, reflecting its role in a rural community. The plant is situated along US 54, providing essential sanitation services to the local area. The plant provides secondary treatment, a standard level required by the U.S. Clean Water Act for municipal facilities. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant has a designed capacity of 321.76 megaliters per year and currently discharges 189.27 megaliters annually, indicating operational capacity below design levels. As a U.S. facility, it operates under an EPA NPDES permit issued by the Missouri Department of Natural Resources, which sets effluent limits to protect water quality. The treated effluent is discharged into a local water body that ultimately drains into the Osage River basin, part of the larger Missouri River watershed. This river system flows into the Mississippi River and eventually the Gulf of Mexico. The plant's discharge contributes to the local hydrology, supporting aquatic life and downstream ecosystems in the region.

The plant discharges into a tributary of the Osage River, which flows into the Missouri River and then the Mississippi River, ultimately reaching the Gulf of Mexico. The local watershed supports diverse aquatic habitats, including fish and macroinvertebrate communities. The plant's secondary treatment helps reduce nutrient loads, protecting downstream water quality in this agriculturally influenced region.