18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
COLWALL STW is a secondary wastewater treatment plant in Colwall Stone, England, serving approximately 2,254 people. It discharges treated effluent into the local watercourse, supporting the River Severn catchment.
COLWICH WWTP is a secondary treatment plant in Sedgwick County, Kansas, serving 1,364 people. It discharges 465.61 units of treated wastewater daily, with a designed capacity of 707.87 units.
COLYTON and COLYFORD STW is a secondary treatment plant in East Devon, England, serving 2,964 people. It discharges 659.89 m³/day of treated wastewater near the coast.
COMA TEC 20_250 2_P is a secondary treatment plant in Opatów, Poland, serving 396 people with a designed capacity of 2000 m³/day and a discharge volume of 56.46 m³/day.
Comales wastewater treatment plant in Tamaulipas, Mexico, provides secondary treatment for a small community of 2,147 people, discharging 302.40 cubic meters of treated wastewater daily.
Comanche PWA WWT is a secondary treatment plant serving 1,556 people in Comanche, Oklahoma. It discharges treated wastewater into local waterways under US EPA NPDES regulations.
Comanito wastewater treatment plant in Ejido Comanito, Sinaloa, Mexico, provides secondary treatment for a small community of about 1,095 people, with a designed capacity of 129.60 m³/day.
Combaillaux Les Sajolles is a secondary wastewater treatment plant in Combaillaux, Occitanie, France, serving 1,900 people with a designed capacity of 2,200 m³/day.
Comber Wastewater Lagoons in Lakeshore, Ontario serves 450 people with secondary treatment. The facility discharges treated wastewater near Lake Erie, supporting local water quality.
Comer WPCP is a secondary treatment plant serving 351 people in Comer, Georgia. It discharges 151.42 thousand gallons per day and has a designed capacity of 473.18 thousand gallons per day.
Comfort Cove Outfall is a secondary treatment plant serving 345 residents in Comfort Cove-Newstead, Newfoundland and Labrador, Canada. It discharges 200 cubic meters of treated wastewater daily.
COMMELLE wastewater treatment plant in Porte-des-Bonnevaux, Auvergne-Rhône-Alpes, France, serves 740 people with secondary treatment and a designed capacity of 900 m³/day.
Commequiers Route de Coex secondary treatment plant serves 4,417 people in Pays de la Loire, France. It discharges treated wastewater near the Atlantic coast, operating under EU Urban Waste Water Treatment Directive standards.
Comminutor Outfall is a secondary treatment plant serving Bonavista, Newfoundland and Labrador, Canada. It discharges 400 cubic meters of treated wastewater daily, located within 10 km of the coast.
Community of Abrams Village Sewer Account is a secondary treatment plant serving 290 people in Rural Municipality of Abram-Village, Prince Edward Island, Canada. It discharges treated wastewater near the coast.
Comoa wastewater treatment plant in Sinaloa, Mexico, serves 67 people with secondary treatment. It discharges 43.20 cubic meters of treated wastewater daily, with a designed capacity of 51.84 cubic meters.
Compton and Marldon STW is a secondary wastewater treatment plant in South Hams, Devon, England, serving approximately 2,057 people with a discharge volume of 457.96 m³/day.
Compton Bassett STW is a secondary treatment plant serving Calne, England. It treats wastewater for a population of 2,554 and has a designed capacity of 3,081 m³/day.
Compton Coo STW is a secondary treatment plant serving approximately 2,750 people in Compton, West Berkshire, England. It discharges 612.25 m³/day of treated wastewater into the local water environment.
COMRIE WWTP is a secondary treatment plant serving 2,273 people in Crieff, Scotland. It discharges 506.05 megalitres annually and operates under the EU Urban Waste Water Treatment Directive.