18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
ALCAZAREN wastewater treatment plant serves Hornillos de Eresma in Castilla y León, Spain. It provides secondary treatment for a population of 2,200 and has a designed capacity of 2,200 m³/day.
Alcoentre wastewater treatment plant serves 4,200 people in Azambuja, Portugal. It provides secondary treatment and has a designed capacity of 4,715 m³/day, discharging 700.27 m³/day.
Alconchel wastewater treatment plant serves the town of Alconchel in Extremadura, Spain, providing secondary treatment for a population of approximately 2,462.
ALCORISA secondary treatment plant serves Alcorisa, Aragón, Spain, treating wastewater for 5,460 people with a designed capacity of 5,647 m³/day and an average discharge of 989.61 m³/day.
ALCOVER wastewater treatment plant serves Alcover, Catalunya, Spain. It provides secondary treatment for a population of 7,525 and has a designed capacity of 5,000 m³/day.
ALCUBILLAS wastewater treatment plant serves the town of Alcubillas in Castilla-La Mancha, Spain. It provides secondary treatment for a population of 1,164 and discharges 133.00 cubic meters of treated wastewater.
Alcuéscar wastewater treatment plant serves the town of Alcuéscar in Extremadura, Spain, providing secondary treatment for a population of 5,400. It discharges treated water into the local watershed.
ALDA WWTP is a secondary treatment plant serving 540 people in Alda, Nebraska. It discharges 227.13 megaliters of treated wastewater annually, with a designed capacity of 302.83 megaliters.
Aldama wastewater treatment plant in Chiapas, Mexico, serves a small community of 2,756 people with secondary treatment. It discharges 260.93 cubic meters of treated wastewater daily.
Aldea del Fresno wastewater treatment plant serves the municipality in Comunidad de Madrid, Spain, with secondary treatment. It has a designed capacity of 6,000 m³/day and serves a population of 3,092.
Aldea en Cabo wastewater treatment plant serves the small municipality in Toledo, Castilla-La Mancha, Spain.
Aldeanueva de la Vera wastewater treatment plant serves 5,200 people in Extremadura, Spain, with secondary treatment. It discharges 942.49 m³/day of treated wastewater into local waterways.
Aldeia Gavinha wastewater treatment plant in Alenquer, Portugal, serves 1,700 people with secondary treatment. The plant is now closed, having discharged treated effluent into the local watershed.
Alden WWTP is a secondary treatment plant serving 855 people in Hardin County, Iowa. It discharges 416.40 million gallons per year and operates under U.S. Clean Water Act regulations.
ALDEN WWTP is a secondary treatment plant serving 148 people in Rice County, Kansas. It discharges 60.57 units of treated wastewater and has a designed capacity of 105.99 units.
ALDER MADISON CSD is a secondary treatment plant serving 180 people in Alder, Montana. It discharges 68.14 million gallons per year and has a designed capacity of 98.42 million gallons.
ALEGRIA DULANTZI is a secondary wastewater treatment plant serving Alegría-Dulantzi in Euskadi, Spain. It treats wastewater for approximately 2,500 residents with a designed capacity of 2,500 m³/day.
ALESSANDRIA_FRAZ_LOBBI is a secondary wastewater treatment plant serving about 4,800 people in Lobbi, Alessandria, Piemonte, Italy. It discharges 977 m³/day of treated effluent into the local water system.
ALEX WWT is a secondary treatment plant serving Alex, Oklahoma, with a population equivalent of 635. It discharges 151.42 megaliters annually and has a designed capacity of 227.12 megaliters.
Alexander Bay wastewater treatment plant serves Richtersveld Local Municipality in Northern Cape, South Africa. It provides secondary treatment and discharges 1.00 million cubic meters annually.