595 plants indexed.
NICHOLS WWTP is a secondary treatment plant serving 275 people in Town of Cicero, Wisconsin. It discharges 105.99 million gallons per year and operates under US Clean Water Act regulations.
North Bend SD 1 WWTP is a secondary treatment plant serving 114 people in the Town of North Bend, Wisconsin. It discharges 22.71 units of treated wastewater daily, with a designed capacity of 37.85 units.
North Freedom STP is a secondary treatment plant serving 701 people in North Freedom, Wisconsin. It discharges treated wastewater into local waterways, supporting the region's water quality.
North Lake Poygan SD STP is a secondary treatment plant serving 562 people in the Town of Wolf River, Wisconsin. It discharges 189.27 m³/day of treated wastewater into the Lake Poygan watershed, within 10 km of the lake's shoreline.
NORWALK WWTP in Norwalk, Wisconsin, provides advanced treatment for a small community of 703 residents, discharging 151.42 units of treated wastewater daily.
O Dells Bay SD 1 WWTP serves 1,103 people in the Town of Germantown, Wisconsin, with advanced treatment. It discharges 79.49 million gallons per year and has a designed capacity of 238.48 million gallons.
Oakdale WWTP is an advanced treatment facility serving 700 people in the Town of Oakdale, Wisconsin. It discharges 124.92 units of treated wastewater daily, with a designed capacity of 264.98 units.
Oakfield STP is an advanced wastewater treatment plant serving 1,240 people in Oakfield, Wisconsin. It discharges 745.73 units of treated effluent daily, with a designed capacity of 1,154.55 units.
Oconto Falls STP is an advanced wastewater treatment plant serving 2,921 people in Oconto Falls, Wisconsin. It discharges treated water into the local watershed, ultimately reaching Lake Michigan.
Oconto WWTP is a secondary treatment plant serving 6,063 people in Oconto, Wisconsin. It discharges 859.29 thousand cubic meters of treated wastewater annually, with a designed capacity of 6,851.57 thousand cubic meters.
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.