18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Atlantic City STP is a secondary treatment plant in Atlantic City, Wyoming, serving a small population of 37. It discharges 18.93 units of treated wastewater daily, with a designed capacity of 26.50 units.
Atlatlahuacan wastewater treatment plant in Atlatlahucan, Morelos, Mexico, provides secondary treatment for a population of 8,215. It discharges 777.60 cubic meters of treated wastewater daily.
Atletica wastewater treatment plant serves San Miguel el Alto, Jalisco, Mexico, providing secondary treatment for a population of 3,651. The plant has a design capacity of 345.60 volume units.
Atliaca wastewater treatment plant serves the community of Atliaca in Guerrero, Mexico, with secondary treatment. It discharges treated wastewater into local water bodies, supporting public health and environmental protection.
Atlixtac wastewater treatment plant in Guerrero, Mexico, serves 4,564 people with secondary treatment. It discharges 432.00 units of treated wastewater daily, operating at 50% of its 864.00-unit design capacity.
ATOKA CO 3 CANEY WWT is a secondary treatment plant serving 199 people in Caney, Oklahoma. It discharges 75.71 units of treated wastewater daily, with a designed capacity of 90.85 units.
Atongo wastewater treatment plant in Cadereyta Jiménez, Nuevo León, Mexico, provides secondary treatment for a small population of 913. It discharges 86.40 cubic meters of treated wastewater daily.
Atotonilco wastewater treatment plant in San Antonio Atotonilco, Tlaxcala, Mexico, serves 5,330 people with secondary treatment and a designed capacity of 648 m³/day.
Atotonilco wastewater treatment plant in San Miguel (Atotonilco), Zacatecas, Mexico, serves 4,564 people with secondary treatment and a designed capacity of 449.28 m³/day.
Atotonilco wastewater treatment plant in Tepalcingo, Morelos, Mexico, serves 6,089 people with secondary treatment. It discharges 622.08 cubic meters of treated wastewater daily.
Atouguia_Abrigada is a secondary wastewater treatment plant serving 2,100 people in Alenquer, Portugal. It discharges treated effluent into the local watershed, contributing to the Tagus River basin.
ATRANI_IMPIANTO_CONSORTILE_CONDOTTA_SOTTOMARINA is a secondary treatment plant serving Pogerola, Italy. It discharges treated wastewater into the Tyrrhenian Sea via a submarine outfall, protecting the Amalfi Coast's marine environment.
ATTICA WWTP is a secondary treatment facility serving Attica, Kansas, with a population of 592. It discharges 238.48 megaliters of treated wastewater annually, with a designed capacity of 363.40 megaliters.
ATWATER STP is a secondary wastewater treatment plant in Atwater, Minnesota, serving approximately 1,144 people. It discharges 704.09 million gallons per year under US EPA NPDES regulations.
ATWOOD WWTP is a secondary treatment plant serving Rawlins County, Kansas. It treats wastewater for a population of 1,279 with a designed capacity of 757.08 m³/day and a discharge volume of 492.10 m³/day.
Atzeneta del Maestrat wastewater treatment plant serves the municipality in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 818, discharging treated water inland.
Au Gres WWSL is a secondary treatment plant in Au Gres, Michigan, serving 976 people. It discharges treated wastewater near the Lake Huron shoreline, operating under US EPA NPDES regulations.
AUBANGE wastewater treatment plant serves the town of Aubange in Luxembourg province, Belgium. The secondary treatment facility processes municipal wastewater for a population of 3,843.
AUBEL wastewater treatment plant serves the municipality of Aubel in Liège, Belgium. It provides secondary treatment for a population of 4,547 and has a designed capacity of 7,200 m³/day.
AUBERS SE is a secondary wastewater treatment plant in Aubers, Hauts-de-France, France, serving approximately 2,400 people. It discharges treated effluent into the local watershed, contributing to the region's water quality management.