26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
APLINGTON WWTP serves the community of Aplington, Iowa, treating wastewater for approximately 1,133 residents. The plant operates under the U.S. Clean Water Act, which governs discharge standards for municipal facilities.
Apolda wastewater treatment plant serves approximately 35,000 people in Thüringen, Germany. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
APOPKA STP serves approximately 22,500 residents in Apopka, Florida. The plant treats municipal wastewater and discharges into local waterways within the St. Johns River basin.
APPENZELLBOEDELI wastewater treatment plant serves Appenzell, Switzerland, in the canton of Appenzell Innerrhoden. It treats wastewater from approximately 12,425 people, operating under Swiss water protection regulations.
Appleton Abingdon Oxon STW is a wastewater treatment plant serving approximately 5,750 people in Vale of White Horse, Oxfordshire, England. It operates under the UK's regulatory framework for small agglomerations.
Appleton WWTP serves 73,598 people in Appleton, Wisconsin. The plant is located within 50 km of the coast and has a designed capacity of 1.00 (units unspecified).
Applewood Wastewater Treatment Facility serves New Maryland, New Brunswick, Canada. This operational plant treats wastewater for a population of 2,673.
Appughar wastewater treatment plant serves Visakhapatnam, Andhra Pradesh, India. It is an operational facility with a designed capacity of 1.00 unit, serving a population of 167,030.
APRAITZ wastewater treatment plant serves Elgoibar in Euskadi, Spain, with a population equivalent of 80,250. It is located within 50 km of the coast, discharging into the local watershed.
APRICENA wastewater treatment plant serves Apricena, Puglia, Italy, with a designed capacity of 1.00 and a population of 10,466. It operates under the EU Urban Waste Water Treatment Directive.
Apt wastewater treatment plant serves the town of Apt in Provence-Alpes-Côte d'Azur, France, with a population equivalent of 31,000. It operates under the EU Urban Waste Water Treatment Directive.
Apulia wastewater treatment plant serves Esposende, Portugal, with a designed capacity of 1.00. It is located near the coast and serves a population of 8,000.
Aquatera Clairmont WasteWater Lagoon serves 149 residents in the Hamlet of Clairmont, Alberta, Canada. The operational lagoon provides wastewater treatment for this small rural community.
Aquatera Grande Prairie Wastewater Facility serves approximately 26,749 residents in Grande Prairie, Alberta, Canada. The operational plant is part of the region's municipal wastewater infrastructure.
Aquia Regional STP serves approximately 24,819 people in Stafford, Virginia, treating wastewater under the US Clean Water Act framework. The plant discharges into the Potomac River watershed, ultimately reaching the Chesapeake Bay.
ARA Abtenau is a municipal wastewater treatment plant serving Pichl, Abtenau in Salzburg, Austria. It treats wastewater from a population equivalent of 7,183 under the EU Urban Waste Water Treatment Directive.
ARA Abwasserreinigung im Waldviertel GmbH 1558 WT Waidhofen_Th is a wastewater treatment plant serving Waidhofen an der Thaya, Austria. It treats wastewater for approximately 10,157 people in the Niederösterreich region.
ARA Abwasserverband Ybbsfeld 2726 ME serves Ybbs an der Donau, Austria, treating wastewater for about 16,434 people. The plant discharges into the Danube River system, supporting downstream water quality in the Danube basin.
ARA Alland 1386 BN is a wastewater treatment plant serving approximately 5,880 people in Alland, Niederösterreich, Austria. It operates under the EU Urban Waste Water Treatment Directive.
ARA AV An der Traisen 2550 PL is a wastewater treatment plant serving Traismauer, Niederösterreich, Austria. It treats wastewater from approximately 171,371 people, operating under EU Urban Waste Water Treatment Directive standards.