18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Anchor Bay WWTF is a secondary treatment plant serving about 100 people in Anchor Bay, California. It discharges 37.85 m³/day of treated wastewater near the Pacific coast.
ANDALE WWTP is a secondary treatment plant serving 726 people in Sedgwick County, Kansas. It discharges 287.69 thousand cubic meters per year and has a designed capacity of 302.83 thousand cubic meters per year.
ANDALUSIA STP is a secondary wastewater treatment plant in Andalusia, Illinois, serving 1,178 people. It discharges 378.54 megaliters annually and has a designed capacity of 832.79 megaliters.
ANDERLUES wastewater treatment plant in Chapelle-lez-Herlaimont, Hainaut, Belgium, serves 2,092 people with secondary treatment and a designed capacity of 9,900 m³/day.
Anderson Twp RSD STP is a secondary treatment plant in Rush County, Indiana, serving a population of 990. It discharges 302.83 units of treated wastewater daily.
Anderson WWTP is a secondary treatment facility serving approximately 1,961 people in Anderson, Missouri. The plant discharges treated wastewater into local waterways within the Mississippi River basin.
ANDOVER STL is a secondary wastewater treatment plant in Andover, Iowa, serving a small population of 99. It discharges 37.85 units of treated wastewater, operating under U.S. Clean Water Act regulations.
ANDOVER STP is a secondary treatment plant serving 190 people in Andover Township, Day County, South Dakota. It discharges 37.85 units of treated wastewater daily, with a designed capacity of 75.71 units.
ANDOY Comognes is a closed secondary treatment plant in Namur, Belgium, serving 371 people. It discharged 66.32 m³/day with a design capacity of 600 m³/day.
ANDREST wastewater treatment plant serves Talazac, France, with secondary treatment for a population of 2,600. It discharges 463.84 cubic meters of treated effluent daily.
ANDREW STP is a secondary wastewater treatment plant in Jackson County, Iowa, serving 434 people. It discharges 113.56 megaliters annually and has a designed capacity of 302.83 megaliters.
ANELLO wastewater treatment plant in Guardiagrele, Italy, serves 2,000 people with secondary treatment. It discharges 395.93 m³/day and operates under EU Urban Waste Water Treatment Directive standards.
ANETA LAGOON is a secondary treatment plant serving 222 people in Aneta, North Dakota. It discharges 113.56 megaliters per year and has a designed capacity of 151.42 megaliters.
ANETH wastewater treatment plant serves Aneth / Tʼáá Bííchʼį́įdii, Utah, USA. This secondary treatment facility handles a population of 501 with a discharge volume of 200.63 and designed capacity of 283.91.
Angel Island State Park WWTF is a secondary treatment plant in Novato, California, serving 130 people. It discharges 37.85 m³/day of treated wastewater near the San Francisco Bay.
ANGERVILLE wastewater treatment plant in Le Mérévillois, Centre-Val de Loire, France, serves approximately 4,775 people with secondary treatment and a designed capacity of 6,000 m³/day.
ANGUILLA POTW is a secondary treatment plant serving 762 people in Anguilla, Mississippi. It discharges 416.40 units of treated wastewater and has a designed capacity of 416.39 units.
Angurugu wastewater treatment plant serves the remote community of Angurugu on Groote Eylandt, Northern Territory, Australia. It provides secondary treatment for a population of 920 and discharges treated effluent near the coast.
ANIANE wastewater treatment plant serves Aniane, Occitanie, France. It provides secondary treatment for a population of 3,100 with a designed capacity of 3,900 m³/day.
ANITA STL is a secondary wastewater treatment plant in Anita, Iowa, serving a population of 972. It discharges treated water into local waterways, supporting the region's environmental health.