Osseo WWTP - Advanced Wastewater Treatment in Osseo, Wisconsin

Osseo WWTP is a municipal wastewater treatment facility located in Osseo, Wisconsin, United States. The plant serves a population of approximately 2,361 residents in this small community within Trempealeau County. The facility employs advanced treatment processes, which go beyond the secondary treatment standard required by the U.S. Clean Water Act for municipal plants. With a designed capacity of 908.50 million gallons per year and an annual discharge volume of 806.29 million gallons, the plant operates with a utilization rate that indicates efficient capacity management. The treated effluent from Osseo WWTP is discharged into a local water body that ultimately drains into the Mississippi River basin. The plant's advanced treatment helps protect downstream water quality in this ecologically significant watershed, which supports diverse aquatic life and provides important habitat for migratory birds and fish species.

Osseo WWTP discharges treated wastewater into a tributary of the Mississippi River basin. The Mississippi River is a major North American waterway that flows into the Gulf of Mexico, supporting a vast array of aquatic ecosystems. The plant's advanced treatment helps reduce nutrient loading and protect downstream water quality in this ecologically sensitive region.