14,813 plants indexed.
Osakis STP in Barrett, Minnesota, is an advanced treatment plant serving 1,775 people. It discharges 969.07 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,109.12 thousand cubic meters.
Osborn WWTP is a secondary treatment facility serving 423 people in Osborn, Missouri. It discharges 128.70 units of treated wastewater daily, with a designed capacity of 211.98 units.
OSBORNE WWTP is a secondary treatment plant serving 1,380 people in Osborne County, Kansas. It discharges treated wastewater inland, with a design capacity of 779.79 and actual discharge volume of 522.39.
Osceola Mills Boro STP is a secondary wastewater treatment plant serving Philipsburg, Pennsylvania. It treats municipal wastewater from approximately 2,099 residents, discharging 454.25 million gallons per year.
Osceola WWTP is a secondary treatment plant serving 921 people in Polk County, Nebraska. It discharges 378.54 cubic meters of treated wastewater daily.
Osceola WWTP 1 is an advanced treatment facility serving 1,069 residents in Osceola, Missouri. It discharges 378.54 cubic meters of treated wastewater daily, with a designed capacity of 567.81 cubic meters.
OSCODA TWP WWTP in Baldwin Township, Michigan, serves about 7,248 people with advanced treatment. The plant discharges 567.81 volume units and is located within 10 km of the coast, highlighting its role in protecting Lake Huron's water quality.
Osgood WWTP and Sewers in New Weston, Ohio, provides secondary treatment for a small community of 652 people, discharging treated wastewater into local waterways.
Oshkosh WWTP is a secondary treatment plant serving 1,128 people in Oshkosh, Nebraska. It discharges 378.54 m³/day of treated wastewater and operates under US EPA NPDES regulations.
Oskaloosa WWTP is a secondary treatment facility serving 1,093 people in Jefferson County, Kansas. The plant discharges 439.11 million gallons per year and has a designed capacity of 529.96 million gallons.
Osmond WWTP is a secondary treatment facility serving approximately 800 residents in Osmond, Nebraska. It discharges treated wastewater into local waterways, supporting the region's water quality management.
Osnabrock Lagoon is a secondary treatment plant serving 134 people in Osnabrock, North Dakota. It discharges treated wastewater into local waterways under US EPA NPDES regulations.
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.
Ossipee Center WWTF is a secondary treatment plant serving 486 people in Ossipee, New Hampshire. It discharges treated wastewater into local waterways, supporting the region's water quality.
Ostrander WWTP and Sewer System is a secondary treatment plant serving approximately 500 residents in Ostrander, Ohio. It discharges 121.13 million gallons per year and operates under the US Clean Water Act framework.
Oswego T Sleepy Hollow STP is an advanced treatment plant in Town of Parish, New York, serving a small population of 100. It discharges 37.85 thousand cubic meters annually near the coast.
Oswego WWTP is a secondary treatment plant serving Oswego, Kansas. It treats municipal wastewater with a designed capacity of 1,154.55 units and an average daily flow of 730.58 units.
OSYKA POTW is a secondary wastewater treatment plant serving 480 people in Osyka, Mississippi. It discharges 401.25 units of treated effluent daily, with a designed capacity of 794.93 units.
OTHO STL is a secondary wastewater treatment plant serving Otho, Iowa, with a capacity of 227.12 m³/day. It treats municipal wastewater for a population of 529.
Otis Dept of Public Works serves 175 people in Otis, Massachusetts, with primary treatment. The plant discharges 34.07 million gallons per year into the local watershed.