26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
Ario wastewater treatment plant serves Ario de Rosales, Michoacán, Mexico, with a designed capacity of 1.00 volume units. It operates under Mexican wastewater regulations for a population of approximately 21,020.
Arizona City Sanitary District serves 13,500 people in Eloy, Arizona. The plant treats municipal wastewater under the US Clean Water Act via EPA NPDES permits.
Arkadelphia WWTP serves approximately 10,700 people in Clark County, Arkansas. The plant discharges treated wastewater into the local watershed, contributing to the Ouachita River basin.
Arkansas City WWTP serves approximately 11,100 people in Cowley County, Kansas. The plant discharges treated wastewater into the local watershed, contributing to the Arkansas River basin.
ARLES MONTCALDE wastewater treatment plant serves approximately 36,000 people in Arles, Provence-Alpes-Côte d'Azur, France. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this
Arlington County Water Pollution Control Plant (WPCP) serves over 248,000 residents in Arlington, Virginia. The plant discharges treated wastewater into the Potomac River, which flows into the Chesapeake Bay.
ARLINGTON E DIST STP 4 is a municipal wastewater treatment plant in Jacksonville, Florida, serving approximately 90,000 people. It operates under the US Clean Water Act framework.
Arlington Treatment serves approximately 17,930 residents in Arlington, Washington. The plant operates under U.S. EPA and Washington state regulations, discharging treated wastewater into the Stillaguamish River watershed.
ARLINGTON WWTP serves approximately 9,700 residents in Arlington, Tennessee. The plant operates under U.S. Clean Water Act regulations, ensuring treated effluent meets federal and state standards before discharge.
Arlington WWTW serves the Nketoana Local Municipality in the Free State province of South Africa. The plant treats wastewater for a population of approximately 4,067 people.
ARLON wastewater treatment plant serves Arlon, Luxembourg, Belgium, with a population equivalent of 27,532. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
ARMADA WWTP serves the village of Armada, Michigan, treating wastewater for approximately 5,463 residents. The plant operates under US EPA and Michigan DEQ regulations, discharging treated effluent into local waterways.
ARMADALE WWTW serves the town of Armadale in West Lothian, Scotland, treating wastewater for approximately 12,674 people. The plant is located within 50 km of the coast and operates under UK and EU wastewater regulations.
Armagh wastewater treatment plant serves approximately 20,867 people in Armagh, Northern Ireland. The facility operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
ARMENTIERES belgique is a wastewater treatment plant serving Comines-Warneton, Hainaut, France. It treats wastewater for approximately 85,000 people under the EU Urban Waste Water Treatment Directive.
Armería wastewater treatment plant serves Ciudad de Armería in Colima, Mexico, with a population of approximately 28,222. Located within 50 km of the Pacific coast, it operates under Mexican water regulations.
Armidale wastewater treatment plant serves approximately 22,590 people in New South Wales, Australia. The facility is operational and discharges treated effluent into the local watershed.
ARMISSAN VINASSAN wastewater treatment plant serves Armissan, France, in the Occitanie region. It has a designed capacity of 1.00 and serves a population of 5,954.
ARMITAGE STW is a wastewater treatment plant serving approximately 6,842 people in Armitage, Lichfield, Staffordshire, England. It operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
Armona WWTF is a municipal wastewater treatment facility serving approximately 3,239 residents in Armona, California. The plant operates under the U.S. Clean Water Act framework, with oversight from state and federal environmental agencies.