26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
COLUMBUS POTW serves 25,514 people in Columbus, Mississippi, as part of the city's municipal wastewater infrastructure. The plant discharges into local waterways within the Tombigbee River basin.
Columbus Southerly WWTP and Sewers serves approximately 553,000 people in Columbus, Ohio. The plant discharges treated wastewater into the Scioto River system, which flows to the Ohio River and ultimately the Mississippi River.
COLUMBUS WWTP serves Cherokee County, Kansas, treating wastewater for approximately 3,444 residents. The plant operates under U.S. Clean Water Act regulations, ensuring compliance with state-issued NPDES permits.
Columbus WWTP serves 41,500 people in Columbus, Indiana, as part of the city's municipal wastewater infrastructure. The plant operates under the US Clean Water Act framework.
COLUMBUS WWTP serves approximately 20,971 people in Columbus, Nebraska. The plant discharges treated wastewater into the Platte River basin, supporting local water quality and downstream ecosystems.
COLUMBUS WWTP serves Columbus, Wisconsin, treating municipal wastewater for approximately 4,684 residents. The plant discharges into local waterways under U.S. Clean Water Act regulations.
COLUNGA wastewater treatment plant serves 10,500 people in Colunga, Asturias, Spain. Located within 50 km of the coast, it discharges into the local watershed under EU regulatory oversight.
Colusa WWTP serves approximately 5,670 people in Colusa County, California. The plant discharges treated wastewater into local waterways under the US Clean Water Act framework.
COLVILLE SEW LAGOON is a municipal wastewater treatment plant serving Colville, Washington. It treats wastewater for approximately 5,116 residents and discharges into the local watershed.
Colwyn Bay & Llandudno STW is a wastewater treatment plant serving approximately 80,000 people in Penrhyn-Side, Wales. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
COMA PSD Fitzpatrick WWTP serves approximately 12,000 people in Fitzpatrick, West Virginia. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater facilities.
COMA PSD Holly Hills WWTP serves Fitzpatrick, West Virginia, treating wastewater for approximately 314 residents. The plant operates under the US Clean Water Act, with state-level NPDES permitting.
Comacchio Valle Molino wastewater treatment plant serves the city of Comacchio in Emilia-Romagna, Italy. It handles a population equivalent of 174,830 and discharges into the local watershed.
Comanche WWTP serves approximately 4,100 residents in Comanche, Texas. The plant operates under the U.S. Clean Water Act, with state-issued NPDES permits regulating its discharge into local waterways.
COMARCAL LOS LLANOS_EL PASO is a wastewater treatment plant serving Tijarafe, Canarias, Spain. Located near the coast, it serves a population of approximately 5,953 and has a designed capacity of 1.00 volume unit.
The Combined sewer raw discharge Cunnable Creek in Windsor, Nova Scotia, Canada is a decommissioned facility that previously served a population of 7,041. Its designed capacity was 1.00 volume unit.
Comerio WWTP serves the municipality of Comerío, Puerto Rico, with a designed capacity of 1.00 million gallons per day. The plant treats wastewater for approximately 4,590 residents.
COMINES wastewater treatment plant serves Comines-Warneton, Hainaut, France. It treats wastewater for approximately 28,034 people under the EU Urban Waste Water Treatment Directive.
COMINES wastewater treatment plant serves Comines-Warneton, Hainaut, France, with a population equivalent of 14,684. It operates under the EU Urban Waste Water Treatment Directive.
Comitán wastewater treatment plant serves the city of Comitán in Chiapas, Mexico, with a population of approximately 82,145. The facility operates under Mexican wastewater regulations.