Iron Mountain Lake WWTP - Secondary Treatment Facility in Iron Mountain Lake, Missouri

Iron Mountain Lake WWTP is a municipal wastewater treatment facility located on East Lakeshore Drive in Iron Mountain Lake, Saint Francois County, Missouri. The plant serves a small community of 737 people, providing essential wastewater treatment for the area. The plant provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal facilities of this scale. It has a designed capacity of 306.62 volume units and a reported discharge volume of 234.70 units, indicating operational capacity below design limits. The facility operates under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Missouri Department of Natural Resources, ensuring compliance with federal water quality standards. The treated effluent is discharged into local receiving waters that ultimately drain into the Mississippi River basin. This region is part of the larger Missouri River watershed, supporting diverse aquatic life and providing water resources for downstream communities. The plant's operation helps protect local streams and rivers from untreated sewage, contributing to the ecological health of the area.

The plant discharges into local waterways within the Mississippi River basin, which flows into the Gulf of Mexico. The receiving waters support aquatic ecosystems and are part of a larger watershed that includes the Missouri River. The area is inland and not near coastal zones, reducing direct marine impact but still influencing downstream water quality in the Mississippi River system.