18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
Hanwell Community wastewater treatment plant serves 445 residents in Hanwell Rural Community, New Brunswick, Canada.
Happy Camp WWTP is a secondary treatment plant serving 1,050 people in Happy Camp, California. It discharges 283.91 megaliters annually and has a designed capacity of 681.37 megaliters.
Harbine WWTP is a secondary treatment facility serving 66 people in Harbine, Nebraska. It discharges 15.14 million gallons per day and operates under US EPA NPDES regulations.
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.
Harc Szennyviztisztito telep is a secondary wastewater treatment plant serving 730 people in Szedres, Hungary. It discharges treated effluent into local waterways in the Dél-Dunántúl region.
Harcourt WWTP is a secondary treatment plant in Webster County, Iowa, serving 341 people. It discharges 94.64 million gallons per year and has a design capacity of 170.34 million gallons per year.
Harden wastewater treatment plant in Murrumburrah, New South Wales, Australia, serves about 2,400 people with secondary treatment. It discharges treated effluent locally, supporting the region's water quality.
Hardesty WWT is a secondary treatment plant serving 212 people in Hardesty, Oklahoma. It discharges 113.56 megaliters per year and has a designed capacity of 189.27 megaliters.
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.
HARDIN WWTP is a secondary treatment plant in Ray County, Missouri, serving 569 people. It discharges treated wastewater into local waterways under US EPA NPDES regulations.
Hardtner WWTP is a secondary treatment plant serving 191 people in Hardtner, Kansas. It discharges 75.71 million gallons per year and has a design capacity of 132.49 million gallons.
Hardy WWTP is a secondary treatment plant serving the village of Hardy, Nebraska. It discharges treated wastewater into local waterways, supporting the region's water quality.
Harlem wastewater treatment plant in Garden Route District Municipality, Western Cape, South Africa serves 3,219 people with secondary treatment. It discharges 500 m³/day into the local watershed.
Harlem WPCP is a secondary treatment plant serving 1,643 people in Harlem, Georgia. It discharges treated wastewater into local waterways, with a design capacity of 946.35 m³/day and an average flow of 794.94 m³/day.
Harlem WWTP in Blaine County, Montana, provides secondary treatment for a small population of 795. The plant discharges treated wastewater with a daily volume of approximately 200,630 gallons.
Harlington STW is a secondary wastewater treatment plant serving 2,086 people in Doncaster, England. It discharges 464.42 m³/day and operates under UK regulations.
Harlowton Lagoon is a secondary wastewater treatment plant in Wheatland County, Montana, serving approximately 1,017 people. It discharges treated wastewater into the local watershed.
HARMAN WWTP is a secondary treatment plant serving 190 people in Harman, West Virginia. It discharges 151.42 megaliters of treated wastewater annually, operating under US Clean Water Act regulations.