12,948 plants indexed worldwide.
Plants located within 50 km of a coastline.
Hatfield Heath STW is a secondary treatment plant in Uttlesford, England, serving 2,850 people. It discharges 634.51 m³/day of treated wastewater, operating under UK regulations.
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.
HAUGHLEY STW is a secondary treatment plant serving 2,251 people in Mid Suffolk, England. It discharges 501.15 m³/day of treated wastewater into local watercourses.
HAUGHTON STP is a secondary wastewater treatment plant in Harahan, Louisiana, serving 1,700 people. It discharges 378.54 cubic meters per day into the local watershed.
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.
Havelock Wastewater Treatment Plant serves the community of Havelock-Belmont-Methuen in Ontario, Canada. It provides secondary treatment for a population of 1,510.
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.
Hawarden wastewater treatment plant serves the Hurunui District in Canterbury, New Zealand, treating wastewater for a small population of 130 with secondary treatment.
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.
HAZELTON LAGOON is a secondary wastewater treatment plant serving Hazelton, North Dakota, USA. It treats an average daily flow of 75.71 units for a population of 235.
Hazen Lagoon is a secondary wastewater treatment plant serving Hazen, North Dakota. It discharges treated effluent into the local watershed, supporting downstream water quality in the Missouri River basin.
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.
Headcorn STW is a secondary treatment plant serving 2,733 people in Maidstone, Kent, England. It discharges 608.46 m³/day of treated wastewater into local waterways.
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.