14,813 plants indexed.
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.
Otis SD is a secondary wastewater treatment plant in Washington County, Colorado, serving 544 people. It discharges 227.13 thousand cubic meters annually and has a designed capacity of 302.83 thousand cubic meters.
OTIS WWTP is a secondary treatment plant serving Otis, Kansas. It treats wastewater for a population of 301 with a designed capacity of 166.56 volume units and an average discharge of 113.56 volume units.
OTISVILLE LAGOON CS is an advanced treatment plant in Genesee County, Michigan, serving 712 people. It discharges 264.98 million gallons per year, operating under US EPA NPDES regulations.
OTO LAGOON is a secondary wastewater treatment plant in Woodbury County, Iowa, serving approximately 110 people. It discharges 75.71 units of treated effluent daily.
OTOE WWTP is a secondary treatment plant serving Otoe, Nebraska. It discharges treated wastewater into the local watershed, supporting downstream water quality in the Missouri River basin.
Ottawa 1 Wyandotte WWT is an advanced treatment plant serving 363 people in Wyandotte, Oklahoma. It discharges 151.42 megaliters annually and has a designed capacity of 170.34 megaliters.
Otter Creek Lake Utility District is a secondary treatment plant serving 2,400 people in Winnebago County, Illinois. It discharges 832.79 megaliters annually with a design capacity of 1,514.16 megaliters.
OTTERBEIN WWTP is an advanced treatment plant serving 1,312 people in Otterbein, Indiana. It discharges 798.72 million gallons per year into local waterways under US EPA NPDES regulations.
Otterville WWTP is a secondary treatment plant serving 454 people in Otterville, Missouri. It discharges 151.42 megaliters of treated wastewater annually, with a designed capacity of 166.56 megaliters.
Otto T WWTP and Onsites serves the Town of Otto, New York, with advanced treatment for a small population of 100. The plant discharges 22.71 cubic meters of treated wastewater daily.