18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
High Bentham STW is a secondary treatment plant serving approximately 3,262 people in High Bentham, England. It discharges treated wastewater into the local water environment, supporting the River Wenning catchment.
High Hill WWTP is a secondary treatment plant serving 195 people in High Hill, Missouri. It discharges 75.71 units of treated wastewater daily, with a designed capacity of 113.56 units.
High Ridge WWTP is a secondary treatment plant serving 80 people in Dillsboro Station, Indiana. It discharges treated wastewater into the local watershed within the Ohio River basin.
Highfield Acres Lagoon is a secondary treatment plant serving 162 people in Boone County, Missouri. It discharges treated wastewater into local waterways, supporting the region's water quality management.
Highland WWTP in Sparks, Kansas, serves 910 people with secondary treatment. The plant discharges 378.54 m³/day and has a designed capacity of 590.52 m³/day.
Highlands T Fort Montgomery STP is a secondary treatment plant serving about 3,000 people in the Village of Highland Falls, New York. It discharges treated wastewater into the Hudson River watershed.
HIGHLEY STW is a secondary treatment plant serving 4,223 people in Highley, England. It discharges 940.19 m³/day of treated wastewater, with a designed capacity of 4,295 m³/day.
Higinio Tanguma is a secondary wastewater treatment plant in El Barranco, Tamaulipas, Mexico, serving 777 people. It has a designed capacity of 114.05 m³/day and discharges 86.40 m³/day.
Higuera Blanca wastewater treatment plant in Nayarit, Mexico, serves 1,369 people with secondary treatment. It discharges 129.60 m³/day of treated effluent near the Pacific coast.
HIGUERA DE LA SIERRA wastewater treatment plant serves the town of Higuera de la Sierra in Andalucía, Spain. It provides secondary treatment for a population of 2,625.
Higuera de Vargas wastewater treatment plant serves 3,300 people in Extremadura, Spain. It provides secondary treatment and has a designed capacity of 3,360 m³/day.
Higueras wastewater treatment plant in Nuevo León, Mexico, serves 1,745 people with secondary treatment. It discharges 172.80 m³/day of treated wastewater into local waterways, supporting the region's water quality.
Higueras de Culiacancito wastewater treatment plant in Sinaloa, Mexico, serves a small population of 183 with secondary treatment. It discharges 17.28 m³/day of treated effluent.
Hiland Acres WSD is a secondary wastewater treatment plant serving 394 people in Todd Creek, Colorado. It discharges treated water into the local watershed, supporting downstream water quality.
Hildreth WWTP is a secondary treatment plant in Franklin County, Nebraska, serving 389 people. It discharges 151.42 volume units of treated wastewater.
Hilgertshausen Tandern OT Hilgertshausen is a secondary treatment plant in Gumpmühle, Bayern, Germany. It serves a population of 1,322 and has a designed capacity of 3,000 m³/day.
Hill City WWTP is a secondary treatment facility serving approximately 1,400 residents in Hill City, Kansas. The plant discharges treated wastewater into local waterways under state regulatory oversight.
Hill County wastewater treatment plant serves Havre North, Montana, treating 136.28 megaliters of wastewater annually with secondary treatment. It operates under the US Clean Water Act's NPDES permit program.
Hill Point SD STP is a secondary wastewater treatment plant serving 109 people in the Town of Washington, Wisconsin. It discharges 37.85 m³/day of treated effluent into local waterways.
Hill Road Botwood 2 is a secondary treatment plant serving 666 people in Botwood, Newfoundland and Labrador, Canada. It discharges 299.00 cubic meters of treated wastewater daily near the coast.