18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
HORNERSVILLE WWTP is a secondary treatment plant serving 663 people in Dunklin County, Missouri. It discharges treated wastewater into local waterways under U.S. EPA NPDES regulations.
Hornick Sewage Lagoon in Woodbury County, Iowa, serves 222 people with secondary treatment. The plant discharges 113.56 million gallons per year into local waterways.
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.
Horseshoe Bend S_T Facility is a secondary treatment plant serving 707 residents in Horseshoe Bend, Idaho. It discharges treated wastewater into the Payette River, a tributary of the Snake River.
Horseshoe Lake WWTP is a secondary treatment plant serving 292 people in Crittenden County, Arkansas. It discharges 3.79 million gallons per day and has a designed capacity of 264.98 million gallons per day.
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.
HORTON WWTP is a secondary treatment plant serving 1,967 people in Atchison County, Kansas. It discharges 741.94 thousand cubic meters of treated wastewater annually.
Horyniec-Zdrój wastewater treatment plant in Podkarpackie, Poland, serves 1,540 people with secondary treatment. It discharges 219.58 m³/day and has a designed capacity of 5,333 m³/day.
Hoschton WPCP is a secondary treatment plant in Hoschton, Georgia, serving approximately 300 people. It discharges 189.27 cubic meters of treated wastewater daily.
Hoskins WWTP is a secondary treatment plant in Wayne County, Nebraska, serving a small population of 208. It discharges 75.71 million gallons per year and operates under the US Clean Water Act.
Hospital del Niño y La Mujer wastewater treatment plant in Santiago de Querétaro, Mexico, serves 2,163 people with secondary treatment. It discharges 204.77 cubic meters per day, operating within the Querétaro region's water management framework.
Hospital Outfall is a secondary treatment plant in Springdale, Newfoundland and Labrador, Canada, serving 223 people.
Hossy Shaft is a secondary wastewater treatment plant serving approximately 3,230 people in Rustenburg Local Municipality, North West, South Africa. It discharges 600 cubic meters of treated wastewater daily.
HOSTALETS DE PIEROLA ELS is a secondary wastewater treatment plant serving 764 people in els Hostalets de Pierola, Catalunya, Spain. It discharges 180.78 m³/day and operates under EU Urban Waste Water Treatment Directive standards.
Hot Springs WWTF is a secondary treatment plant serving 450 people in Hot Springs, Montana. It discharges 170.34 units of treated wastewater daily, with a designed capacity of 897.14 units.
Hot Springs WWTP is a secondary treatment plant serving 640 people in Hot Springs, North Carolina. It discharges 227.13 megaliters of treated wastewater annually, with a designed capacity of 302.83 megaliters.
Hot Sulphur Springs WWTP is a secondary treatment plant serving 534 residents in Hot Sulphur Springs, Colorado. The facility discharges treated wastewater into the local watershed, supporting the Colorado River basin.