595 plants indexed.
OGEMA SD 1 STP is an advanced wastewater treatment plant serving the Town of Ogema, Wisconsin. It treats 360 residents with a designed capacity of 132.49 volume units.
Onion River SC STP is an advanced wastewater treatment plant in Hingham, Wisconsin, serving 1,242 people. It discharges 378.54 cubic meters per day and is located near the coast of Lake Michigan.
Ontario WWTP is a secondary treatment facility serving 495 people in Ontario, Wisconsin. It discharges treated wastewater into local waterways, supporting the Kickapoo River watershed.
OOSTBURG STP is an advanced wastewater treatment plant in Oostburg, Wisconsin, serving approximately 2,889 people. It discharges treated water near Lake Michigan, supporting local water quality.
Orchard Manor Nursing Home STP is an advanced treatment plant serving 220 people in Town of Ellenboro, Wisconsin. It discharges 64.35 thousand cubic meters per year into local waterways.
Orfordville STP is an advanced wastewater treatment plant serving 1,503 people in Orfordville, Wisconsin. It discharges 454.25 megaliters annually and has a designed capacity of 1,506.59 megaliters.
Osseo WWTP is an advanced treatment facility serving 2,361 people in Osseo, Wisconsin. The plant discharges 806.29 million gallons per year and has a designed capacity of 908.50 million gallons.
Oxford WWTP serves the Town of Oxford, Wisconsin, treating wastewater for 534 residents. The plant operates with secondary treatment and discharges 211.98 million gallons per year.
Packwaukee SD 1 STP is a secondary treatment plant serving the Town of Packwaukee, Wisconsin. It discharges treated wastewater into local waterways, supporting the region's water quality.
Palmyra WWTP is an advanced treatment facility serving 2,506 people in Palmyra, Wisconsin. It discharges 681.37 million gallons per year and has a designed capacity of 870.64 million gallons.
Pardeeville WWTP is a secondary treatment facility serving approximately 2,100 residents in Pardeeville, Wisconsin. The plant discharges treated wastewater into local waterways within the Lake Michigan basin.
Patch Grove STP is an advanced wastewater treatment plant serving 598 residents in Patch Grove, Wisconsin. It discharges 151.42 megaliters annually and operates under U.S. EPA and Wisconsin DNR regulations.
PELL LAKE SD 1 STP is an advanced wastewater treatment plant serving the Village of Bloomfield, Wisconsin. It treats approximately 719,230 gallons per day with a designed capacity of 1,741,280 gallons per day.
Peninsula State Park WWTP is a secondary treatment facility in Town of Gibraltar, Wisconsin, serving 180 people. It discharges 56.78 megaliters annually and is located within 10 km of the Lake Michigan coast.
PEPIN WWTP is an advanced treatment facility serving Pepin, Wisconsin. It discharges treated wastewater into the local watershed, protecting downstream water quality.
PHELPS SD 1 STP is an advanced wastewater treatment plant in Town of Phelps, Wisconsin, serving about 900 people. It discharges treated water into local waterways, supporting the region's water quality.
PHILLIPS STP is an advanced wastewater treatment plant serving Phillips, Wisconsin. It treats municipal wastewater with a capacity of 1,415.74 cubic meters per day and discharges 696.52 cubic meters daily.
Pigeon Falls WWTP is a secondary treatment facility serving 454 residents in Pigeon Falls, Wisconsin. It discharges 113.56 megaliters of treated wastewater annually, operating under US Clean Water Act regulations.
PITTSVILLE WWTP is an advanced treatment facility serving 880 people in Pittsville, Wisconsin. It discharges 405.04 million gallons per year and has a designed capacity of 658.66 million gallons.
PLAIN STP is an advanced wastewater treatment plant serving Plain, Wisconsin. It treats 272.55 m³/day with a designed capacity of 397.47 m³/day, protecting local waterways.