Edgar Springs WWTP - Secondary Wastewater Treatment in Edgar Springs, Missouri

Edgar Springs WWTP is a municipal wastewater treatment plant located in Edgar Springs, Missouri, United States. The facility serves a small population of 208 residents in the rural community of Phelps County. As a secondary treatment plant, it provides biological treatment to remove organic matter and suspended solids from wastewater. The plant has a designed capacity of 151.42 million gallons per year and currently discharges 41.64 million gallons annually, indicating significant spare capacity. Under the U.S. Clean Water Act, secondary treatment is the minimum standard for municipal wastewater plants, and this facility operates under an EPA NPDES permit issued by the Missouri Department of Natural Resources. The treated effluent from Edgar Springs WWTP is discharged into local waterways that ultimately drain into the Meramec River basin, a tributary of the Mississippi River. The plant plays a key role in protecting downstream water quality in the Ozark region, which supports diverse aquatic life and recreational uses.

The plant discharges into the Meramec River watershed, which flows into the Mississippi River and eventually the Gulf of Mexico. The Ozark region features karst topography with sensitive groundwater systems, making proper wastewater treatment essential to prevent nutrient pollution and protect aquatic habitats. The receiving streams support diverse fish populations and are used for recreation.