26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
Ararat wastewater treatment plant serves the town of Ararat, Victoria, Australia, with a population of approximately 8,300. The plant is operational and discharges treated effluent inland, contributing to local water quality management.
ARAZURI wastewater treatment plant serves Cendea de Olza / Oltza Zendea in Navarra, Spain. It treats wastewater from a population equivalent of 713,450, operating under EU Urban Waste Water Treatment Directive standards.
ARBIZU LACUNZA wastewater treatment plant serves Lakuntza in Navarra, Spain. It has a designed capacity of 1.00 volume unit and serves a population of 6,467.
Arboga avloppsreningsverk refn serves approximately 15,300 people in Arboga, Sweden. The plant discharges treated wastewater into local waterways within the Norrström drainage basin.
ARBOIS wastewater treatment plant serves Arbois, France, with a population equivalent of 10,830. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Arboledas San Ramon wastewater treatment plant serves Medellín, Veracruz, Mexico. It is located within 50 km of the coast and serves a population of 13,761.
The ARBOREA wastewater treatment plant serves the town of Arborea in Sardinia, Italy, with a population of approximately 13,893. It is located near the coast and operates under EU regulations.
Arborfield Berks STW serves approximately 18,700 people in Arborfield, England. The plant operates under the UK's wastewater regulations, ensuring treated effluent meets environmental standards.
ARBUCIES wastewater treatment plant serves the town of Arbúcies in Catalunya, Spain. It has a designed capacity of 1.00 and serves a population of 4,320.
ARBUCKLE PSD serves Oak Hill, West Virginia, treating wastewater for a population of approximately 1,952. The plant operates under the US Clean Water Act, with discharge regulated by the EPA and state authorities.
ARBUS_LOC_IS_MULINUS is a wastewater treatment plant serving Arbus, Sardinia, Italy. It serves a population of 8,017 and operates under EU Urban Waste Water Treatment Directive standards.
ARCADE SOUTOMAIOR wastewater treatment plant serves the municipality of Soutomaior in Galicia, Spain. It has a designed capacity of 1.00 and serves a population of 9,453.
Arcade V WWTP serves the Village of Arcade, New York, treating wastewater for approximately 2,026 residents. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal facilities of this scale.
Arcadia Sewerage System serves approximately 6,000 people in Bienville Parish, Louisiana. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater.
ARCADIA STP is a wastewater treatment plant in Arcadia, Florida, serving approximately 7,427 people. It operates under U.S. EPA and Florida DEP regulations, discharging treated effluent to local waterways.
Arcadia WWTP serves 1,747 people in Hamilton County, Indiana. The plant discharges treated wastewater into local waterways, supporting the Mississippi River basin ecosystem.
Arcadia WWTP serves approximately 4,883 residents in Arcadia, Wisconsin. The plant discharges into the local watershed, contributing to the Mississippi River basin.
Arcanum WWTP and Sewers serves the village of Arcanum, Ohio, with a population of 2,076. The plant operates under the US Clean Water Act, ensuring treated wastewater meets environmental standards before discharge.
Arcata WWTF serves 17,752 people in Arcata, California, discharging treated wastewater near Humboldt Bay. The plant is located within 50 km of the Pacific coast.
Arcelia wastewater treatment plant serves approximately 21,905 people in Arcelia, Guerrero, Mexico. The facility operates under Mexico's national water regulations for municipal wastewater management.