Mindenmines WWTP - Secondary Treatment Facility in Mindenmines, Missouri

Mindenmines WWTP is a municipal wastewater treatment plant located in Mindenmines, Barton County, Missouri. It serves a small population of 365 residents, reflecting the rural character of the area. The plant operates under the regulatory framework of the U.S. Clean Water Act, which requires secondary treatment for municipal facilities discharging to surface waters. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. Its designed capacity is 151.42 cubic meters per day, with an average discharge volume of 113.56 cubic meters per day, indicating operational headroom. As a small facility, it is subject to state-level NPDES permitting administered by the Missouri Department of Natural Resources. The treated effluent is discharged to a local waterway within the Osage River basin, which ultimately drains to the Missouri River and then the Mississippi River. The plant plays a role in protecting downstream water quality in this agriculturally intensive region, supporting aquatic life and recreational uses.

The plant discharges into a tributary of the Osage River system, part of the larger Missouri River watershed. This region supports diverse aquatic habitats and is used for agriculture and recreation. The downstream environment includes the Missouri River, which flows into the Mississippi River, eventually reaching the Gulf of Mexico. Protecting water quality in this basin is important for maintaining ecological balance and supporting fish populations.