3,895 plants indexed worldwide.
Plants located within 10 km of a coastline. Discharge impact on marine environments is a primary concern for these facilities.
Gunyangara wastewater treatment plant in Nhulunbuy, Northern Territory, Australia, serves a small community of 286 people with secondary treatment. The plant discharges 74.08 megalitres annually near the coast of the Arafura Sea.
GYLLING wastewater treatment plant in Odder, Denmark, served 599 people with advanced treatment before closure. It discharged 118.68 m³/day and had a design capacity of 2,594 m³/day.
Haast wastewater treatment plant serves the small community of Haast on New Zealand's West Coast. It provides secondary treatment and discharges treated wastewater near the coast, supporting local environmental health.
Hagardsviken Garnes is a secondary treatment plant in Bergen, Norway, serving 342 people. It discharges 148.32 m³/day and has a designed capacity of 700 m³/day, located within 10 km of the coast.
Haggerston Castle Caravan Park STW is a secondary treatment plant in Northumberland, England, serving a small population of 52. It discharges treated wastewater near the Northumberland coast.
Hague T STP and On Site Systems serves the Town of Hague, New York, treating wastewater for 531 residents. The secondary treatment plant discharges 132.49 million gallons per year near Lake George.
Hahei wastewater treatment plant serves the coastal community of Hahei in Waikato, New Zealand. It provides secondary treatment for a population of approximately 1,984 and discharges treated effluent near the Coromandel Peninsula coast.
Haisla WWTP is a secondary treatment plant in Kitamaat, British Columbia, serving 504 people. It discharges 255 m³/day of treated wastewater near the coast.
Hakonshella wastewater treatment plant in Bergen, Norway, serves 515 people with secondary treatment. It discharges 223.35 cubic meters of treated wastewater daily, operating near the coast in Vestland county.
Halhjem Auredalen is a secondary wastewater treatment plant in Osøyro, Norway, serving 1,304 people with a designed capacity of 1,500 m³/day.
HALK wastewater treatment plant in Medsted, Denmark serves 410 people with secondary treatment. It discharges 338.92 m³/day and is located within 10 km of the coast.
Hallstavik Avloppsanlaggning is an advanced wastewater treatment plant in Hallstavik, Sweden, serving about 4,700 people. It discharges treated water near the Baltic coast, operating under EU and Swedish regulations.
Hamburgsunds avloppsreningsverk is an advanced wastewater treatment plant serving 2,267 people in Hamburgsund, Sweden. It discharges treated effluent into the Skagerrak via the coastal waters of Västra Götaland.
HAMES BOUCRES is an advanced wastewater treatment plant in Hames-Boucres, Hauts-de-France, France. It serves a population of 750 and discharges 133.80 m³/day, operating within 10 km of the coast.
Hamilton Island wastewater treatment plant in Queensland, Australia, serves a small population of 1,303 with secondary treatment. The plant discharges treated effluent near the Great Barrier Reef Marine Park, a sensitive coastal ecosystem.
Hammars Avloppsreningsverk is an advanced wastewater treatment plant serving about 3,100 people in Hammar, Sweden. It discharges treated water near the coast of Lake Vättern.
Hammonassett Park WPCF is a secondary treatment plant serving Madison, Connecticut. It discharges treated wastewater near the Long Island Sound coast, with a design capacity of 946.35 m³/day.
Hammond Island wastewater treatment plant in St Josephs, Queensland, Australia, serves 224 people with secondary treatment. The coastal facility discharges treated effluent into the Torres Strait marine environment.
Hancock Co Utility Auth WEST POTW in Waveland, Mississippi, provides advanced treatment for 1,332 residents. The plant discharges 605.67 thousand cubic meters annually into the Gulf of Mexico coastal zone.
Hanover T WWTP is a secondary treatment plant in Irving, New York, serving about 1,910 people. It discharges 844.15 million gallons per year and is located within 10 km of Lake Erie.