18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Arizpe wastewater treatment plant in Sonora, Mexico, serves 1,887 people with secondary treatment. It discharges 431.14 cubic meters daily, operating at near-designed capacity of 432.00.
Arkansas City WWTP is a secondary treatment plant serving 366 people in Desha County, Arkansas, USA. It discharges 321.76 thousand cubic meters per year with a designed capacity of 378.54.
ARKANSAW SD 1 STP is a secondary treatment plant serving 555 people in the Town of Waterville, Wisconsin. It discharges 49.21 million gallons per year into local waterways.
The Arkona Sewage Treatment Plant in Lambton Shores, Ontario, Canada, provides secondary treatment for a small population of 356. It discharges 160 cubic meters of treated wastewater daily and is located within 10 km of the coast.
Arkos San Antonio is a secondary wastewater treatment plant in Morelia, Michoacán, Mexico, serving about 9,127 people. It has a designed capacity of 1,555.20 m³/day and discharges 864.00 m³/day.
ARLEE wastewater treatment plant serves 600 people in Lake County, Montana, USA. It provides secondary treatment and discharges 189.27 megaliters annually.
ARLES RAPHELE MOULES is a secondary wastewater treatment plant in Arles, France, serving 2,419 people. It discharges 431.55 m³/day and has a designed capacity of 4,667 m³/day.
ARLES SALIN DE GIRAUD is a secondary wastewater treatment plant in Salin-de-Giraud, Arles, France, serving 1,764 people with a designed capacity of 2,200 m³/day and a discharge volume of 314.69 m³/day.
ARLEY STW is a secondary treatment plant in North Warwickshire, England, serving 3,606 people. It discharges 802.82 m³/day of treated wastewater, with a designed capacity of 7,000 m³/day.
ARLINGTON POND NO 1 is a secondary wastewater treatment plant in Arlington, Georgia, serving a population of 1,266. It discharges treated water into local waterways, supporting the region's environmental health.
ARLINGTON STP is a secondary wastewater treatment plant in Arlington, Oregon, serving a population of 610. It discharges 189.27 megaliters annually and has a designed capacity of 567.81 megaliters.
ARLINGTON WWTP in Reno County, Kansas, serves 459 people with secondary treatment, discharging 166.56 units of treated wastewater. The plant operates under the US Clean Water Act framework.
The Arlington WWTP in Iowa, United States, serves a small population of 429 with secondary treatment. It discharges treated wastewater into local waterways, supporting the region's water quality.
Arlington WWTP and Sewers is a secondary treatment plant serving 1,351 residents in Arlington, Ohio. It discharges 643.52 thousand gallons per day into local waterways.
ARMA WWTP is a secondary treatment plant serving 1,470 people in Arma, Kansas. It discharges 575.38 thousand gallons per day and has a designed capacity of 692.73 thousand gallons per day.
ARMENI wastewater treatment plant serves the community of Καλύβες in Crete, Greece, providing secondary treatment for a population of 2,606. It discharges treated wastewater near the coast, operating under EU regulations.
ARMENTIERES F is a secondary wastewater treatment plant serving Comines-Warneton, Belgium. It treats wastewater for approximately 3,105 people with a designed capacity of 5,000 m³/day.
ARMENTO PONTE DEL CASALE is a secondary treatment plant serving Armento, Basilicata, Italy. It treats wastewater for 800 people with a designed capacity of 2000 m³/day.
ARMSTRONG WWTP is a secondary treatment plant in Howard County, Missouri, serving 287 people. It discharges treated wastewater into local waterways, supporting rural sanitation in the Missouri River basin.
ARMSTRONG WWTP is a secondary treatment plant serving 1,025 people in Emmet County, Iowa. It discharges treated wastewater into local waterways, operating under U.S. EPA NPDES permitting.