18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
HARRISON WWTP is a secondary treatment plant in Sioux County, Nebraska, serving 346 people. It discharges 151.42 volume units and operates under US Clean Water Act regulations.
Harriston WWTP is a secondary treatment plant serving 423 people in Grottoes, Virginia. It discharges 147.63 megaliters of treated wastewater annually into the local watershed.
Harristown STP is a secondary treatment plant serving 1,454 people in Harristown, Illinois. It discharges treated wastewater into local waterways, operating under US EPA NPDES regulations.
Harrisville STP is a secondary treatment plant serving 276 people in Harrisville, Michigan. It discharges 227.13 thousand gallons per day and operates near the Lake Huron coastline.
Harrod WWTP and Sewer System is a secondary treatment plant serving 761 residents in Harrod, Ohio. It discharges 227.13 megaliters of treated wastewater annually, operating under U.S. Clean Water Act regulations.
Harry S Truman State Park wastewater treatment plant in Benton County, Missouri, serves a small population of 300 with secondary treatment. It discharges 113.56 megaliters annually, operating under US EPA Clean Water Act regulations.
Hart WWTP is a secondary treatment facility serving Nazareth, Texas. It discharges treated wastewater into the local watershed, supporting water quality in the region.
Hartbeespoort Wastewater Treatment Plant serves 666 people in Madibeng Local Municipality, North West, South Africa.
Hartenfels wastewater treatment plant in Herschbach, Rheinland-Pfalz, Germany, serves approximately 2,200 people with secondary treatment and a designed capacity of 3,000 m³/day.
Hartenholm wastewater treatment plant in Schleswig-Holstein, Germany, serves about 2,864 people with secondary treatment. It has a designed capacity of 4,000 m³/day and discharges 347 m³/day.
HARTFORD STL is a secondary wastewater treatment plant in Hartford, Iowa, serving 768 people. It discharges 492.10 volume units daily with a designed capacity of 984.20.
Hartford WWTP is a secondary treatment plant serving approximately 490 people in Hartford, Kansas. It discharges treated wastewater into local waterways, supporting the region's water quality.
Hartington WWTP is a secondary treatment plant serving 1,758 residents in Hartington, Nebraska. It discharges approximately 719 cubic meters of treated wastewater daily.
Hartley Bay Septic Tank is a secondary treatment plant serving 80 people in Hartley Bay, British Columbia, Canada. It discharges 55.00 cubic meters of treated wastewater daily.
Hartley WWTP is a secondary treatment plant serving 1,672 people in Hartley, Iowa. It discharges 957.71 thousand cubic meters of treated wastewater annually.
Hartshorne WWT is a secondary treatment plant serving 3,500 residents in Hartshorne, Oklahoma. It discharges treated wastewater into local waterways under US EPA NPDES regulations.
Hartstene Pointe STP is a secondary treatment plant in Mason County, Washington, serving 860 people. It discharges 704.09 units of treated wastewater near the coast of Puget Sound.
Hartville WWTP is a secondary treatment plant serving 62 people in Hartville, Wyoming. It discharges 22.71 megaliters per year and has a designed capacity of 45.42 megaliters per year.
Hartville WWTP is a secondary treatment plant serving 629 people in Hartville, Missouri. It discharges 264.98 thousand cubic meters annually and has a designed capacity of 378.54 thousand cubic meters.
Harvard WWTP is a secondary treatment facility serving 1,242 people in Harvard, Nebraska. It discharges 378.54 cubic meters of treated wastewater daily.