PHILLIPS STP - Advanced Wastewater Treatment in Phillips, Wisconsin

PHILLIPS STP is an advanced wastewater treatment facility located in Phillips, Price County, Wisconsin, United States. The plant serves a population of approximately 1,461 residents, providing essential sanitation services to this small community in the northern part of the state. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. With a designed capacity of 1,415.74 cubic meters per day and an average discharge volume of 696.52 cubic meters per day, the facility operates well within its capacity. As a US plant, it operates under the Clean Water Act's National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality. The treated effluent from PHILLIPS STP is discharged into a local water body, which ultimately drains into the Lake Superior basin via the Flambeau River and the Chippewa River system. This watershed supports diverse aquatic life and is important for regional water quality, as Lake Superior is the largest freshwater lake by surface area in the world.

The plant discharges into a local receiving water body that flows into the Flambeau River, a tributary of the Chippewa River, which eventually reaches Lake Superior. This watershed is ecologically sensitive, supporting coldwater fish species and providing habitat for migratory birds. The advanced treatment helps protect downstream water quality in this region known for its forests and recreational waterways.