26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
ARMTHORPE STW serves approximately 14,785 people in Doncaster, England. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local watercourses.
ARMY BASE W P C F is a wastewater treatment plant in Norfolk, Virginia, serving approximately 121,846 people. It is located near the coast and operates under U. S. EPA NPDES regulations.
Army Bay Whangaparaoa Peninsula wastewater treatment plant serves the Hibiscus and Bays area in Auckland, New Zealand. It treats wastewater for approximately 11,090 people and discharges into the Hauraki Gulf.
Arnprior WPCC is a municipal wastewater treatment plant serving approximately 10,226 residents in Arnprior, Ontario, Canada. It operates under Ontario's regulatory framework for wastewater treatment.
Arnsberg wastewater treatment plant serves approximately 20,587 people in Arnsberg, Nordrhein-Westfalen, Germany. It operates under the EU Urban Waste Water Treatment Directive.
Arnsberg Neheim wastewater treatment plant serves Höingen, Nordrhein-Westfalen, Germany, with a population equivalent of 108,545. The plant operates under the EU Urban Waste Water Treatment Directive.
Arnsberg Wildshausen wastewater treatment plant serves approximately 113,000 people in Arnsberg, Nordrhein-Westfalen, Germany. It operates under the EU Urban Waste Water Treatment Directive.
Arnstadt wastewater treatment plant serves approximately 75,000 people in the Erfurt area of Thüringen, Germany. The facility operates under the EU Urban Waste Water Treatment Directive, ensuring regulatory compliance for its population tier.
Arnstein Werntal is a municipal wastewater treatment plant serving Arnstein, Bavaria, Germany. It treats wastewater from approximately 9,300 residents under the EU Urban Waste Water Treatment Directive.
Arnstorf wastewater treatment plant serves the town of Arnstorf in Bavaria, Germany. It treats wastewater for approximately 8,133 residents under the EU Urban Waste Water Treatment Directive.
Arolsen wastewater treatment plant serves Wetterburg, Bad Arolsen, Hessen, Germany, treating wastewater from approximately 25,000 people. It operates under the EU Urban Waste Water Treatment Directive.
Arosa wastewater treatment plant serves the Swiss alpine resort town of Arosa in Graubünden. It treats wastewater from approximately 9,800 residents, discharging into the Plessur River watershed.
ARQUES wastewater treatment plant serves the city of Arques in Hauts-de-France, France. It is designed for a capacity of 1.00 and serves a population of 42,117.
Arras St Laurent Blangy wastewater treatment plant serves over 104,000 people in Saint-Laurent-Blangy, Hauts-de-France, France. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of t
Arrecife wastewater treatment plant serves the city of Arrecife on Lanzarote, Canary Islands, Spain. It treats wastewater from a population of 52,600 and discharges into the Atlantic Ocean.
Arreigada wastewater treatment plant serves the town of Arreigada in Paços de Ferreira, Porto, Portugal. It is designed for a capacity of 1.00 and serves a population of 14,500.
ARRESTRA wastewater treatment plant serves Cogoleto, Liguria, Italy, with a designed capacity of 1.00 and a population equivalent of 6,000. It is located within 50 km of the coast, discharging into the Ligurian Sea.
ARRIANDI wastewater treatment plant serves Iurreta, Euskadi, Spain, with a designed capacity of 1.00 and a population equivalent of 85,895. It operates under EU Urban Waste Water Treatment Directive standards.
ARRONAMENDI wastewater treatment plant serves Deba, Gipuzkoa, in the Basque Country, Spain. It serves approximately 7,000 people and is located within 50 km of the coast.
Arrow Wood STP serves St. Tammany Parish, Louisiana, treating wastewater for approximately 11,774 residents. The plant operates under US EPA and Louisiana DEQ regulations, discharging treated effluent into local waterways.