18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
AOIZ wastewater treatment plant in Aoiz/Agoitz, Navarra, Spain, serves a population of 5,417 with secondary treatment. The plant is currently closed and has a designed capacity of 7,083 m³/day.
APACHE WWT is a secondary treatment plant serving Apache, Oklahoma. It discharges treated wastewater into local waterways, supporting the region's water quality management.
APICE_DEPURATORE_SPINA is a secondary treatment plant serving Apice, Campania, Italy. It treats wastewater for 1,400 residents with a designed capacity of 3,500 cubic meters per day.
Apohaqui Wastewater Treatment Plant in Sussex Parish, New Brunswick, Canada, provides secondary treatment for a small community of 325 people, discharging 146 cubic meters of treated wastewater daily.
Apollo Bay Wastewater Treatment Plant in Victoria, Australia, serves approximately 1,800 residents with secondary treatment. The plant discharges treated effluent near the coast, supporting local environmental health.
APOLLOSA_IMPIANTO_DEL_CENTRO_LOCALITA_DONATI is a secondary wastewater treatment plant serving 1,400 people in Apollosa, Campania, Italy. It has a designed capacity of 1,500 m³/day and discharges 277.15 m³/day.
APOLLOSA_IMPIANTO_FRAZIONE_SAN_GIOVANNI is a secondary treatment plant serving Apollosa, Campania, Italy. It handles a daily discharge volume of 197.96 cubic meters for a population of 1,000.
Apozol wastewater treatment plant in Zacatecas, Mexico serves about 6,000 people with secondary treatment. It discharges 658.37 cubic meters per day, operating at 95% of its designed capacity of 691.20 cubic meters per day.
Appelbosch Hospital wastewater treatment plant serves 3,700 people in uMshwathi Local Municipality, KwaZulu-Natal, South Africa. It provides secondary treatment and discharges 500 m³/day.
APPLEBY STW is a secondary wastewater treatment plant serving Appleby-in-Westmorland, England, UK. It treats wastewater for approximately 3,818 residents with a designed capacity of 4,077 m³/day.
Applegate WWTF is a secondary treatment plant serving 85 people in Placer County, California. It discharges 22.71 units of treated wastewater daily, operating under US EPA NPDES regulations.
Appleton City WWTP is a secondary treatment plant in St. Clair County, Missouri, serving approximately 1,505 people. It discharges treated wastewater into local waterways, supporting the region's water quality.
Appomattox STP No I is a secondary treatment plant serving 1,700 people in Appomattox County, Virginia. It discharges 643.52 units of treated wastewater daily.
Appomattox STP No II is a secondary wastewater treatment plant serving 604 people in Appomattox, Virginia. It discharges 189.27 megaliters per year under US Clean Water Act regulations.
Aquaparque is a secondary wastewater treatment plant in Mérida, Yucatán, Mexico, serving 228 people with a discharge volume of 146.88 units.
Aquatera Airport Wastewater Lagoon is a secondary treatment plant serving 668 people in Grande Prairie, Alberta, Canada. Supporting local water quality.
Aquatera Sexsmith WasteWater Lagoon is a secondary treatment plant in County of Grande Prairie, Alberta, Canada, serving 891 people.
Aquiles Serdán wastewater treatment plant serves Pantelhó, Chiapas, Mexico, with secondary treatment for a population of 1,369. It discharges 129.60 cubic meters daily, operating under Mexico's national water regulations.
Aquiles Serdan 1ra Seccion is a secondary wastewater treatment plant in Jalapa, Tabasco, Mexico, serving about 2,054 people. It has a designed capacity of 247.10 m³/day and discharges 194.40 m³/day.
Aquiles Serdán San Fernando is a secondary wastewater treatment plant in Aquiles Serdán, Tabasco, Mexico, serving 4,564 people. It discharges 432.00 cubic meters of treated wastewater daily.