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.
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.
Hants Border Sewage Treatment Plant is a secondary treatment facility in Nova Scotia, Canada, serving 942 people. It discharges treated wastewater near the coast, supporting local water quality.
Hants Harbour Outfall is a secondary treatment plant serving 374 people in Hant's Harbour, Newfoundland and Labrador, Canada. It discharges 200 cubic meters of treated wastewater daily into the coastal waters of Trinity Bay.
Harbor View WWTP is a secondary treatment plant in Cecil County, Maryland, serving 437 people. It discharges 124.92 million gallons per year into local waterways near the Chesapeake Bay.
HARDIN STP is a secondary wastewater treatment plant serving 699 people in Hardin, Kentucky. It discharges treated effluent near the Tennessee River system, operating under US EPA and Kentucky state regulations.
HARIA wastewater treatment plant in Teguise, Canarias, Spain, serves 4,000 people with advanced treatment. It discharges 157.08 m³/day and is located near the coast of Lanzarote.
Harrington wastewater treatment plant in New South Wales, Australia, serves 3,559 people with advanced treatment. It discharges treated effluent near the coast, supporting local water quality.
Harris Road Outfall is a secondary treatment plant serving 178 people in unincorporated Newfoundland, Canada. It discharges treated wastewater near the coast of Newfoundland and Labrador.
Harrisville STP is a secondary treatment plant serving 276 people in Harrisville, Michigan. It discharges 227.13 thousand gallons per day and operates near the Lake Huron coastline.
HARSBJERG RENSEANLAEG is an advanced wastewater treatment plant in Bagenkop, Denmark, serving 1,197 people. It discharges 723.92 m³/day and is located within 10 km of the coast.
Hartley Bay Septic Tank is a secondary treatment plant serving 80 people in Hartley Bay, British Columbia, Canada. It discharges 55.00 cubic meters of treated wastewater daily.