18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
ADDIS STP is a secondary wastewater treatment plant in Addis, Louisiana, serving approximately 1,200 people. It discharges treated effluent into the Mississippi River basin, supporting local water quality.
Addison V STP is a secondary wastewater treatment plant serving the Village of Addison, New York. It discharges treated effluent into the local watershed, supporting water quality in the Chemung River basin.
Addo wastewater treatment plant serves the Sundays River Valley Local Municipality in Eastern Cape, South Africa.
Adelaide River wastewater treatment plant is a secondary treatment facility serving 419 people in Coomalie Shire, Northern Territory, Australia. It discharges 108.37 megalitres of treated wastewater annually.
Adelong wastewater treatment plant in New South Wales, Australia, provides secondary treatment for the local community of approximately 1,300 residents.
ADEMUZ wastewater treatment plant serves the municipality of Ademuz in Comunitat Valenciana, Spain. It provides secondary treatment for a population of approximately 4,752 and has a designed capacity of 5,000 m³/day.
ADIN WWTF is a secondary wastewater treatment plant serving 300 people in Adin, California. It discharges 75.71 megaliters per year and has a designed capacity of 113.56 megaliters per year.
ADMIRE WWTP is a secondary treatment facility serving Admire, Kansas. It treats wastewater for a population of 177 with a designed capacity of 90.85 volume units.
Adolfo Lopez Mateos wastewater treatment plant in Puerto Adolfo López Mateos, Baja California Sur, Mexico, serves 203 people with secondary treatment. It discharges 259.20 m³/day and is located within 10 km of the coast.
Adolfo Lopez Mateos wastewater treatment plant in Durango, Mexico, serves 437 people with secondary treatment. It discharges 86.40 cubic meters daily and has a designed capacity of 812.16 cubic meters.
Adolfo Ruiz Cortinez wastewater treatment plant serves the community of Providencia in Chihuahua, Mexico. It provides secondary treatment with a designed capacity of 95.04 m³/day.
ADPAR WWTW serves Newcastle Emlyn, Wales, treating wastewater for approximately 1,883 people. The plant operates at secondary treatment level under UK regulations, discharging into local watercourses.
ADRIAN STP is a secondary wastewater treatment plant serving 140 people in Adrian, Oregon. It discharges treated wastewater into local waterways, operating under U.S. EPA and Oregon DEQ regulations.
ADVANCE WWTP is a secondary treatment plant serving 620 residents in Advance, Indiana. It discharges 147.63 units of treated wastewater daily, operating under U.S. EPA NPDES regulations.
ADVANCE WWTP is a secondary treatment plant serving Advance, Missouri. It discharges treated wastewater into local waterways, supporting the region's water quality.
Aerated lagoon in Eeyou Istchee Baie-James, Quebec, Canada, serves 903 people with secondary treatment. Discharges 540 m³/day into the coastal environment of James Bay.
Aerated Lagoon is a secondary treatment plant serving 544 people in Mishi-baawitigong / Little Grand Rapids, Manitoba, Canada. It discharges 244.40 cubic meters of treated wastewater into the local watershed.
AFA wastewater treatment plant serves Afa, Corsica, France, treating municipal wastewater for 3,400 residents. It operates at secondary treatment level and discharges treated effluent near the Mediterranean coast.
Africo Artusa is a secondary wastewater treatment plant serving Antonimina, Calabria, Italy. It discharges treated effluent near the Ionian Sea coast, with a designed capacity of 2,000 cubic meters per day.
AFTON CITY OF STP is a secondary wastewater treatment plant in Union County, Iowa, serving 845 people. It discharges 227.13 million gallons per year and operates under U.S. Clean Water Act regulations.