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.
HONOR STP is a secondary treatment plant serving 488 people in Homestead Township, Michigan. It discharges 227.13 units of treated wastewater and is located within 10 km of the Lake Michigan coast.
Hopetoun wastewater treatment plant in Western Australia serves 872 people with secondary treatment. Under construction, it discharges 225.67 ML/year near the coast.
Hopshamn wastewater treatment plant in Ask, Norway, serves 103 people with secondary treatment. The plant discharges treated effluent into the local coastal environment near Askøy, Vestland.
Hordvikneset wastewater treatment plant in Bergen, Norway, serves 190 people with secondary treatment. It discharges 82.40 cubic meters of treated wastewater near the coast of Vestland county.
Hornefors Avloppsreningsverk is an advanced wastewater treatment plant in Hörnefors, Sweden, serving approximately 3,324 people. It discharges 521.81 cubic meters of treated wastewater daily.
Horrabridge STW is a secondary treatment plant in West Devon, England, serving about 3,000 people. It discharges treated wastewater near the coast, operating under UK regulations.
Horrocks wastewater treatment plant in Western Australia serves a small coastal community with secondary treatment, discharging treated effluent into the local environment near Sandy Gully.
Horseshoe Bay wastewater treatment plant in Queensland, Australia, serves 544 people with secondary treatment. It discharges treated effluent near the coast, supporting local environmental health.
HORSLUNDE OST is a secondary treatment plant in Horslunde, Denmark, serving 418 people. It discharges 883.25 m³/day of treated wastewater and is located within 10 km of the coast.
Horsoy renseanlegg is a secondary wastewater treatment plant in Hetlevik, Norway, serving 200 people. It discharges treated wastewater near the coast of Vestland county.
Hospital Outfall is a secondary treatment plant in Springdale, Newfoundland and Labrador, Canada, serving 223 people.
Hotel Reef wastewater treatment plant in San Miguel de Cozumel, Quintana Roo, Mexico, serves a population of 4,564 with secondary treatment. It discharges 432 m³/day and is located within 10 km of the coast.
Hoviksnas avr verk is an advanced wastewater treatment plant in Höviksnäs, Sweden, serving 2,754 people with a designed capacity of 6,000 m³/day. It discharges 432.33 m³/day of treated effluent near the coast of Västra Götaland.
Howards Grove STP is an advanced wastewater treatment plant serving 3,190 residents in Howards Grove, Wisconsin. It discharges treated water near Lake Michigan, operating under US EPA and state regulations.
Huay Pix wastewater treatment plant in Quintana Roo, Mexico, serves 858 people with secondary treatment. It discharges 81.22 m³/day of treated wastewater near the Caribbean coast.
Hulls Cove STP is a secondary treatment plant serving 527 people in Bar Harbor, Maine. It discharges treated wastewater near the coast of Mount Desert Island, a key part of the Gulf of Maine ecosystem.
HUMMINGEN wastewater treatment plant serves 1,355 people in Hummingen, Denmark, with primary treatment and a designed capacity of 2,000 m³/day. It discharges 268.47 m³/day of treated effluent near the Baltic Sea coast.
HUNMANBY STW is a secondary treatment plant in Hunmanby, England, serving 2,628 people. It discharges 585.08 cubic meters of treated wastewater daily and is located within 10 km of the coast.
Hunnebostrands avloppsreningsverk is an advanced wastewater treatment plant serving Hunnebostrand, Sweden. It treats wastewater for approximately 3,092 people with a designed capacity of 9,000 m³/day.
Hunter River Sewage Collection and Treatment Utility is a secondary treatment plant serving 111 people in Hunter River, Prince Edward Island, Canada. It discharges treated wastewater near the coast.