18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
HONTORIA DEL PINAR wastewater treatment plant serves Hontoria del Pinar, Burgos, Castilla y León, Spain. It provides secondary treatment for a population of 2,600.
HOODLAND STP is a secondary treatment plant in Welches, Oregon, serving 4,000 people. It discharges 957.71 thousand cubic meters annually and operates under US EPA NPDES regulations.
Hoodoo Harvard Wastewater System serves the small community of Harvard, Idaho, with secondary treatment. The plant discharges treated wastewater into local waterways, supporting the region's water quality.
Hook Norton Hook Norton Oxon STW is a secondary treatment plant in Cherwell, Oxfordshire, serving 2,620 people. It discharges 583.30 cubic meters of treated wastewater daily, with a designed capacity of 2,953 cubic meters.
HOOKER WWT is a secondary treatment plant in Texas County, Oklahoma, serving 1,788 people. It discharges 529.96 volume units and has a designed capacity of 681.37.
Hooper Town of wastewater treatment plant serves 125 people in Hooper, Colorado. It provides secondary treatment and is projected to operate with a designed capacity of 56.78 volume units.
HOOPER WWTP is a secondary treatment plant serving Hooper, Nebraska. It treats wastewater for about 951 residents with a designed capacity of 757.08 cubic meters per day.
HOOPLE LAGOON is a secondary treatment plant serving 242 residents in Hoople, North Dakota. It discharges 75.71 ML/year of treated wastewater into local waterways.
Hope Lagoon is a secondary wastewater treatment plant serving 258 people in Hugo Township, Steele County, North Dakota. It discharges 75.71 megaliters annually with a designed capacity of 151.42 megaliters.
Hope WWTP is a secondary treatment plant serving 401 people in Hope, Kansas. It discharges 151.42 units of treated wastewater and has a designed capacity of 215.77 units.
Hopefield wastewater treatment plant serves 6,734 people in Saldanha Bay Local Municipality, Western Cape, South Africa. It provides secondary treatment and discharges 910 m³/day.
Hopetoun wastewater treatment plant in Western Australia serves 872 people with secondary treatment. Under construction, it discharges 225.67 ML/year near the coast.
Hopetoun wastewater treatment plant in Victoria, Australia, serves a small population of 668 with secondary treatment. It discharges treated effluent locally, supporting the region's water management.
Hopkins STP is a secondary wastewater treatment plant serving 566 people in Hopkins, Michigan. It discharges treated effluent into local waterways within the Lake Michigan basin.
Hopkins WWTP is a secondary treatment facility in Nodaway County, Missouri, serving 532 people. It discharges treated wastewater into local waterways, supporting the region's water quality.
Hopkinton WWTF is a secondary treatment plant serving 600 people in Hopkinton, New Hampshire. It discharges 189.27 cubic meters of treated wastewater daily, with a designed capacity of 454.25 cubic meters.
HOPLAND WWTF is a secondary treatment plant serving 300 people in Pieta, California. It discharges approximately 227 cubic meters per day and operates under US EPA and state regulations.
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.
Horace Lagoon is a secondary wastewater treatment plant serving Horace, North Dakota. It treats municipal wastewater for a population of 2,430 with a designed capacity of 946.35 cubic meters per day.