NOEL WWTP - McDonald County, Missouri Wastewater Treatment Plant

NOEL WWTP is a municipal wastewater treatment facility located in McDonald County, Missouri, United States. The plant serves a population of approximately 1,957 residents and operates under the regulatory framework of the US Clean Water Act, which requires secondary treatment for municipal wastewater discharges. The plant provides secondary treatment, a standard level that removes biodegradable organic matter and suspended solids. Its designed capacity is 757.08 million gallons per year, with an actual discharge volume of 654.88 million gallons per year, indicating operational headroom. The treated effluent is discharged into local waterways that ultimately drain into the Mississippi River basin. The plant's location in the Ozark region means it plays a role in protecting water quality in streams that support diverse aquatic life and recreational uses.

NOEL WWTP discharges into local streams within the Mississippi River basin, which flows to the Gulf of Mexico. The Ozark region features karst topography and sensitive aquatic ecosystems, including species such as the Ozark hellbender. Proper wastewater treatment is critical to prevent nutrient pollution and protect downstream water quality.