14,813 plants indexed.
OOLITIC WWTP is a secondary treatment plant in Oolitic, Indiana, serving 1,368 people. It discharges 605.67 million gallons per year and has a designed capacity of 681.37 million gallons per year.
Oologah PWA WWT is an advanced wastewater treatment plant in Rogers County, Oklahoma, serving a population of 883. It discharges 378.54 m³/day and has a designed capacity of 1135.62 m³/day.
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.
Opal Lagoon is a secondary wastewater treatment plant in Lincoln County, Wyoming, serving a small population of 96. It discharges treated wastewater into the local watershed.
OPP EASTSIDE WWTP in Opp, Alabama, serves about 1,020 people with advanced treatment. The plant discharges 753.30 thousand gallons per day and has a designed capacity of 1,514.16 thousand gallons per day.
Oppelo WWTP is an advanced treatment facility in Conway County, Arkansas, serving a population of 781. It discharges 132.49 megaliters of treated wastewater annually, with a designed capacity of 378.54 megaliters.
Oracle WWTF is a secondary treatment plant serving 1,500 residents in Oracle, Arizona. It discharges 170.34 million gallons per year and has a designed capacity of 302.83 million gallons.
ORAN SAN DISTRICT STP is a secondary treatment plant in Bremer County, Iowa, serving a small population of 100. It discharges 37.85 units of treated wastewater daily.
ORAN WWTP is a secondary treatment plant serving Oran, Missouri, with a design capacity of 643.52 units and a discharge volume of 567.81 units. It operates under the US Clean Water Act framework.
Orange Co Home and Infirmary STP is an advanced treatment plant in Village of Goshen, New York, serving 400 people. It discharges 121.13 megaliters per year and has a designed capacity of 378.54 megaliters per year.
Orange Grove WWTP is a secondary treatment plant serving 1,460 people in Orange Grove, Texas. It discharges 492.10 units of treated wastewater daily, with a designed capacity of 757.08 units.
ORANGEVILLE BORO STP is a secondary wastewater treatment plant in Orange Township, Pennsylvania, serving approximately 500 people. It discharges treated effluent into local waterways, supporting the Susquehanna River basin.
Orbisonia Rockhill STP is an advanced wastewater treatment plant in Cromwell Township, Pennsylvania, serving 839 people. It discharges 454.25 units of treated effluent daily, with a designed capacity of 692.73 units.
Orchard Lagoon is a secondary wastewater treatment plant in Orchard, Iowa, serving a small population of 93. It discharges 37.85 million gallons per year and operates under the US Clean Water Act.
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.
ORCHARD WWTP is a secondary treatment plant in Antelope County, Nebraska, serving 429 people. It discharges 151.42 megaliters annually and has a designed capacity of 227.12 megaliters.
ORD WWTP serves Ord, Nebraska, treating municipal wastewater with secondary treatment. The plant has a designed capacity of 1,211.33 and handles a discharge volume of 832.79.
ORDWAY WWTP is a secondary treatment plant in Ordway, Colorado, serving 1,200 people. It discharges 378.54 m³/day of treated wastewater and has a design capacity of 567.81 m³/day.
OREGON WWTP is a secondary treatment plant serving 857 people in Oregon, Missouri. It discharges 283.91 megaliters annually and operates under US EPA NPDES regulations.
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.