18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
CALLES wastewater treatment plant serves the municipality of Calles in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,291 and has a designed capacity of 2,000 m³/day.
CALLUGO_AMN_DEP is a secondary wastewater treatment plant serving Amandola, Marche, Italy. It treats wastewater from a population of 399 with a designed capacity of 500 cubic meters per day.
CALMAR WWTP is a secondary treatment plant serving Calmar, Iowa, with a population equivalent of 978. It discharges treated wastewater into local waterways, operating under US EPA and Iowa DNR regulations.
Calnali wastewater treatment plant in Hidalgo, Mexico serves 8,476 people with secondary treatment. It discharges 864 m³/day and has a designed capacity of 1,728 m³/day.
Calpella WWTP is a secondary treatment plant serving 540 people in Calpella, California. It discharges 174.13 million gallons per year and has a designed capacity of 151.42 million gallons per year.
Calpulalpan wastewater treatment plant serves Jilotepec de Molina Enriquez in Estado de Mexico, Mexico. It provides secondary treatment for a population of 913 with a designed capacity of 86.40 cubic meters per day.
CALSTOCK STW is a secondary treatment plant serving 2,060 people in Calstock, Cornwall, England. It discharges 458.63 m³/day of treated wastewater, with a designed capacity of 3,097 m³/day.
CALTIGNAGA wastewater treatment plant in Caltignaga, Piemonte, Italy, serves a population of 2,791 with secondary treatment. It discharges 657.53 cubic meters per day and has a designed capacity of 3,000 cubic meters per day.
CALUMET STL is a secondary wastewater treatment plant in O'Brien County, Iowa, serving a small population of 170. It discharges 94.64 cubic meters of treated effluent daily.
Calumet WWT is a secondary treatment plant serving 560 people in Canadian County, Oklahoma. It discharges 189.27 megaliters of treated wastewater annually, operating under U.S. EPA and Oklahoma DEQ regulations.
CALVELLO_ISCA_CASTALDO is a secondary wastewater treatment plant serving Calvello, Basilicata, Italy. It treats wastewater for 2,300 people with a designed capacity of 4,000 m³/day.
CALVI IMPIANTO SAN GIORGIO E SAN NAZZARO is a secondary wastewater treatment plant serving San Giorgio del Sannio, Campania, Italy. It treats wastewater from a population of 3,500 with a designed capacity of 3,500 m³/day.
CALVIA wastewater treatment plant in Calvià, Illes Balears, Spain, serves a population of 1,996 with secondary treatment. It discharges 473.88 m³/day and is located within 10 km of the coast.
Calvillito wastewater treatment plant in Aguascalientes, Mexico, serves 3,651 people with secondary treatment. It discharges 587.52 cubic meters daily, operating at 90.7% of its 648.00 m³/day design capacity.
Calvin Lagoon is a secondary treatment plant in Winn Parish, Louisiana, serving 207 people. It discharges 75.71 m³/day of treated wastewater into local waterways.
Calvin Saunders Outfall is a secondary treatment plant serving 265 people in unincorporated Newfoundland, Canada. It discharges treated wastewater near the coast of Newfoundland and Labrador.
Calvin STP is a secondary treatment plant in Hughes County, Oklahoma, serving a small population of 279. It discharges treated wastewater into local waterways, supporting the region's water quality.
Camalote wastewater treatment plant serves the community of El Camalote in Sinaloa, Mexico. It provides secondary treatment and discharges treated wastewater into the local watershed.
CAMBES ST CAPRAIS wastewater treatment plant serves Cambes, Nouvelle-Aquitaine, France. It provides secondary treatment for a population of 3,970 with a designed capacity of 7,000 m³/day.
CAMBIL wastewater treatment plant serves the town of Cambil in Andalucía, Spain. It provides secondary treatment for a population of approximately 4,091 with a designed capacity of 4,100 m³/day.