18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Antietam WWTP in Sharpsburg, Maryland, serves 1,373 people with secondary treatment. The plant discharges 605.67 million gallons per year into the Potomac River watershed.
Antire Springs WWTP is a secondary treatment plant in Jefferson County, Missouri, serving 296 people. It discharges 75.71 million gallons per day into local waterways.
Antler Lagoon is a secondary wastewater treatment plant serving the small community of Antler, North Dakota. It discharges treated effluent into the local watershed, supporting the region's water quality.
Antonio Amaro wastewater treatment plant serves 3,811 people in Antonio Amaro (Saucillo), Durango, Mexico. It provides secondary treatment with a designed capacity of 475.20 m³/day and discharges 432.00 m³/day.
Antrim WWTF is a secondary treatment plant serving 1,052 people in Antrim, New Hampshire. It discharges treated wastewater into local waterways, supporting the Contoocook River watershed.
Antwerp V WWTP is a secondary treatment plant serving 420 people in the Village of Antwerp, New York. It discharges 121.13 megaliters of treated wastewater annually into the local watershed.
Anzac Sewage Lagoon is a secondary treatment plant serving 539 residents in Anzac, Alberta, Canada. It discharges 242.00 megaliters of treated wastewater annually.
ANZANO DI PUGLIA wastewater treatment plant serves Scampitella, Campania, Italy. It provides secondary treatment for a population of 5,096 and has a designed capacity of 3,000 m³/day.
ANZI_CDA_RAIA is a secondary treatment plant in Anzi, Basilicata, Italy, serving about 1,559 people. It discharges treated wastewater into local water bodies, supporting regional sanitation.
ANZI_CDA_S_DONATO is a secondary wastewater treatment plant in Anzi, Basilicata, Italy, serving 371 people with a designed capacity of 500 m³/day and a discharge volume of 73.45 m³/day.
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.