EDGAR WWTP - Advanced Wastewater Treatment in Edgar, Wisconsin

EDGAR WWTP is a municipal wastewater treatment facility located in Edgar, Wisconsin, United States. Serving a population of approximately 1,978 residents, the plant plays a key role in managing wastewater for this rural community in Marathon County. The facility employs advanced treatment processes, ensuring a high level of pollutant removal before discharge. With a designed capacity of 1,892.70 cubic meters per day and an average daily flow of 560.24 cubic meters, the plant operates well within its capacity. As a US facility, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting, which sets strict effluent limits to protect water quality. The treated wastewater is discharged to nearby streams that ultimately flow into the Wisconsin River and then to the Mississippi River system. This discharge supports the ecological health of local waterways, which provide habitat for diverse aquatic species and contribute to the broader Mississippi River watershed.

The plant discharges into local tributaries of the Wisconsin River, which flows southward to join the Mississippi River. This watershed supports a variety of fish and wildlife, including species that rely on clean water for spawning and migration. The advanced treatment helps minimize nutrient loading and protects downstream aquatic ecosystems.