26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
Coligny wastewater treatment plant serves Ditsobotla Local Municipality in North West, South Africa, with a population of approximately 13,950. The plant discharges into local water bodies within the Vaal River basin.
Colima Villa de Alvarez wastewater treatment plant serves approximately 196,000 people in Colima, Mexico. It operates under Mexico's national water regulations, discharging treated effluent into local water bodies.
Collecchio wastewater treatment plant serves the town of Collecchio in Emilia-Romagna, Italy. It treats wastewater from a population of approximately 13,798 under EU regulatory standards.
College Bridge Lagoon is a municipal wastewater treatment plant in Memramcook, New Brunswick, Canada. It serves a population of 2,311 and has a designed capacity of 1.00 million liters per day.
College Place WWTP serves approximately 8,780 people in Walla Walla County, Washington. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater facilities.
COLLEGNO wastewater treatment plant serves Rosta, Piemonte, Italy, with a population equivalent of 166,585. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations over 150,000 PE.
Collie wastewater treatment plant serves approximately 8,300 residents in Western Australia. The facility is operational and discharges treated effluent into the local watershed.
Collierville Northwest STP serves about 20,000 residents in Collierville, Tennessee. The plant operates under U.S. Clean Water Act regulations for municipal wastewater treatment.
Collierville STP is a municipal wastewater treatment plant serving approximately 24,000 people in Shelby County, Tennessee. It operates under the US Clean Water Act framework.
Collingwood WWTP is an operational wastewater treatment plant in Cobalt, Ontario, Canada. It serves a small population of 735 residents in the Timiskaming District.
Collinsville MA WWT is a municipal wastewater treatment plant serving approximately 4,072 people in Collinsville, Oklahoma. It operates under the US Clean Water Act framework, with state-level NPDES permitting.
Collinsville STP serves approximately 34,578 residents in Collinsville, Illinois. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.
COLLOMBEY MURAZ wastewater treatment plant serves Collombey-le-Grand in Valais, Switzerland. It treats wastewater from a population of 6,243 and has a designed capacity of 1.00.
COLMAR wastewater treatment plant serves Ensisheim, France, handling a population equivalent of 163,000. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
COLMENAREJO OESTE wastewater treatment plant serves Colmenarejo in the Comunidad de Madrid, Spain. It treats wastewater for approximately 7,793 residents.
COLNE STW is a municipal wastewater treatment plant serving Pendle, England, United Kingdom. It treats wastewater for approximately 27,265 people under the EU Urban Waste Water Treatment Directive.
Cologna Veneta Via Traversina wastewater treatment plant serves approximately 22,541 people in Veneto, Italy. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
COLOMBIERLA SAUNERIE wastewater treatment plant serves Milvignes, Neuchâtel, Switzerland, treating wastewater for approximately 27,668 people. The plant operates under Swiss water protection regulations.
Colon wastewater treatment plant serves the municipality of Colón, Querétaro, Mexico, with a population of approximately 10,388. It is an inland facility located away from the coast.
Colonia Aleman is a small wastewater treatment plant serving 228 people in Merida, Yucatan, Mexico. It operates under Mexico's national water regulations for small-scale facilities.