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.
Hartstene Pointe STP is a secondary treatment plant in Mason County, Washington, serving 860 people. It discharges 704.09 units of treated wastewater near the coast of Puget Sound.
Hasselberg wastewater treatment plant in Kieholm, Schleswig-Holstein, Germany, serves 3,417 people with secondary treatment. It discharges 333.92 m³/day and is located near the Baltic Sea coast.
Hat Head wastewater treatment plant in New South Wales, Australia, serves a small coastal community of 588 people with secondary treatment, discharging treated effluent into the local environment.
Hattstedt wastewater treatment plant in Schleswig-Holstein, Germany, serves 1,900 people with secondary treatment. The closed facility discharged 480.84 m³/day and had a design capacity of 3,600 m³/day.
Haugadalen Follese is a secondary treatment plant serving 211 people in Hetlevik, Norway. It discharges 91.51 m³/day of treated wastewater near the coast of Askøy, Vestland.
Hauglandshella wastewater treatment plant in Askøy, Norway, serves 1,712 people with secondary treatment. It discharges 742.46 m³/day and is located within 10 km of the coast.
Havelock wastewater treatment plant serves 571 people in Marlborough, New Zealand, with secondary treatment. It discharges treated effluent near the coast, supporting local water quality.
HAVNEBY wastewater treatment plant in Havneby, Denmark, serves 1,255 people with advanced treatment. It discharges 338.08 m³/day and has a designed capacity of 4,500 m³/day.
HAVNSO wastewater treatment plant in Havnsø, Denmark, serves 2,727 people with advanced treatment. It discharges treated water near the coast in Region Sjælland.
Havreneset Sor RD 6 is a secondary treatment plant serving 768 people in Florø, Norway. It discharges 333.07 m³/day of treated wastewater near the coast of Vestland county.
Hawkes Bay Outfall is a secondary treatment plant serving 309 people in Hawkes Bay, Newfoundland and Labrador, Canada.
Hawks Nest wastewater treatment plant in New South Wales, Australia, serves a small coastal community with advanced treatment, discharging treated effluent near the Myall River system.
HCUA Ansley POTW is a projected secondary treatment plant in Ansley, Mississippi, serving 450 people. It discharges 227.13 m³/day and is located within 10 km of the Gulf Coast.
HCWandSWMA Eagle Point POTW is a secondary treatment plant in Biloxi, Mississippi, serving 1,442 people. It discharges 310.40 million gallons per year and has a designed capacity of 1,135.62 million gallons per year.
Healeys Outfall is a secondary wastewater treatment plant in Dunville, Newfoundland and Labrador, Canada, serving 742 people. It discharges 333.00 megaliters of treated effluent annually near the coast.
HEATHSVILLE SERVICE AREA is a secondary wastewater treatment plant in Heathsville, Virginia, serving 382 people. It discharges 113.56 megaliters annually and is located within 10 km of the coast.
Hebron WWTP is an advanced treatment facility in Wicomico County, Maryland, serving 730 people. It discharges 166.56 volume units daily and is located within 10 km of the coast.
Hel wastewater treatment plant in Hel, Poland, serves about 5,700 people with advanced treatment. It discharges 811 m³/day of treated wastewater into the Baltic Sea coastal zone.
Helgoland wastewater treatment plant on the North Sea island of Helgoland, Germany, serves 2,161 people with advanced treatment. It discharges 366.75 m³/day and has a design capacity of 6,150 m³/day.
Helleneset wastewater treatment plant serves 1,420 people in Bergen, Norway, with secondary treatment. It discharges treated effluent near the coast of Vestland county.