26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
ARGENTA wastewater treatment plant serves Argenta, Emilia-Romagna, Italy. It is an inland facility with a designed capacity of 1.00 volume unit, operating under EU Urban Waste Water Treatment Directive.
ARGENTAN wastewater treatment plant serves Argentan, Normandy, France, treating wastewater for approximately 16,280 people. It operates under the EU Urban Waste Water Treatment Directive.
ARGENTON SUR CREUSE wastewater treatment plant serves Argenton-sur-Creuse in Centre-Val de Loire, France. It treats wastewater for approximately 12,956 people under EU regulations.
Argoncilhe wastewater treatment plant serves Santa Maria da Feira, Portugal, treating wastewater for approximately 13,900 people. It operates under the EU Urban Waste Water Treatment Directive.
ARGOS NAFPLIO wastewater treatment plant serves approximately 100,000 people in the Argolis region of Greece. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
ARGOSTOLI wastewater treatment plant serves Argostoli, Greece, on the Ionian island of Kefalonia. It treats wastewater for approximately 25,000 people, with a designed capacity of 1.00 cubic meter per second.
ARGUINEGUIN wastewater treatment plant serves San Bartolomé de Tirajana in the Canary Islands, Spain. It treats wastewater from a population of approximately 15,338 people.
Ariano Irpino Impianto Cardito serves approximately 8,000 people in Ariano Irpino, Campania, Italy. The plant treats municipal wastewater and discharges into the local watershed.
Ariano Irpino Impianto Martiri is a municipal wastewater treatment plant serving approximately 6,000 people in Campania, Italy. It operates under the EU Urban Waste Water Treatment Directive.
ARINS SANTIAGO is a wastewater treatment plant serving 4,050 people in A Barcia, Galicia, Spain. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
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.