Three Lakes SD WWTP - Secondary Treatment Facility in Town of Three Lakes, Wisconsin

Three Lakes SD WWTP is a municipal wastewater treatment facility located in the Town of Three Lakes, Oneida County, Wisconsin, United States. The plant serves a small population of 592 residents, reflecting its role in a rural community within the Northwoods region of the state. The plant provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal wastewater facilities. With a designed capacity of 495.89 units and an average daily discharge of 234.70 units, the plant operates well within its capacity. As a small facility, it is subject to National Pollutant Discharge Elimination System (NPDES) permitting under the authority of the Wisconsin Department of Natural Resources. The treated effluent from the plant is discharged into local waters that ultimately drain into the Upper Great Lakes basin. The region is characterized by numerous lakes and rivers, and the plant's discharge supports the ecological health of these water bodies. The surrounding area is part of the Wisconsin River watershed, which flows into the Mississippi River and eventually the Gulf of Mexico.

The plant discharges into local water bodies within the Wisconsin River watershed, which flows southward to the Mississippi River and ultimately the Gulf of Mexico. The region's numerous lakes and streams support diverse aquatic life, including fish species such as walleye and musky, and the plant's secondary treatment helps protect these ecosystems from nutrient pollution.