18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Holden WWTP is a secondary treatment plant serving approximately 2,710 people in Holden, Missouri. It discharges 946.35 thousand gallons per day and operates under US EPA Clean Water Act regulations.
Holland Creek MD is a secondary treatment plant serving Wolcott, Colorado, with a capacity of 151.42 volume units and a discharge volume of 75.71. It operates under the US Clean Water Act framework.
Holland Landing WPCP is a secondary treatment plant in York Region, Ontario, serving 2,178 people. It discharges 978 cubic meters of treated wastewater daily near Lake Simcoe.
Holland Sewage Lagoon is a secondary treatment plant serving 331 people in Holland, Manitoba, Canada. It discharges 148.50 megaliters of treated wastewater annually.
Holland WWTP is a secondary treatment facility serving 215 residents in Holland, Iowa. It discharges 75.71 megaliters of treated wastewater annually, with a designed capacity of 113.56 megaliters.
Holland WWTP is a secondary treatment plant in Dubois County, Indiana, serving a small population of 626. It discharges 227.13 megaliters annually and operates under US EPA NPDES regulations.
Holland WWTP is a secondary treatment plant serving 870 people in Holland, Texas. It discharges 416.40 units of treated wastewater daily, with a designed capacity of 757.08 units.
HOLLANDALE POTW is a secondary treatment plant serving Hollandale, Mississippi. It discharges treated wastewater into the local watershed, supporting water quality in the Mississippi River basin.
Hollenbach wastewater treatment plant serves Motzenhofen, Germany, with secondary treatment for a population of 2,360. It discharges 584.84 m³/day and has a designed capacity of 3,000 m³/day.
Hollets Road Outfall is a secondary treatment plant serving 443 people in Marystown, Newfoundland and Labrador, Canada. It discharges 199.00 cubic meters of treated wastewater daily near the coast.
HOLLIDAY WWTF is a secondary treatment plant in Monroe County, Missouri, serving 137 people. It discharges 53.00 units of treated wastewater daily, with a designed capacity of 75.71 units.
Holliday WWTP is a secondary treatment facility serving approximately 1,564 residents in Holliday, Texas. It discharges 492.10 megaliters per year and has a designed capacity of 757.08 megaliters.
HOLLISTER WWT is a secondary treatment plant in Tillman County, Oklahoma, serving a small population of 60. It discharges treated wastewater into local waterways, supporting the Red River basin.
Hollohaza Lakotelepi Szennyviztisztito telep is a secondary treatment plant serving 56 people in Hollóháza, Hungary. It discharges 6.60 m³/day of treated wastewater into local water bodies.
Holly Grove WWTP is a secondary treatment plant serving 602 people in Holly Grove, Arkansas. It discharges 3.79 million gallons per day into the local watershed.
Holly Hill WWTP is a secondary treatment plant serving 1,550 people in Holly Hill, South Carolina. It discharges 719.23 units of treated wastewater, operating under the US Clean Water Act framework.
Holly Ridge WWTP is a secondary treatment facility in Onslow County, North Carolina, serving 833 people. It discharges treated wastewater near the coast, with a designed capacity of 984.20 volume units.
Holme on Spalding Moor STW is a secondary treatment plant in East Riding of Yorkshire, England, serving 2,887 people. It discharges 642.75 m³/day of treated wastewater and has a designed capacity of 3,210 m³/day.
HOLME STW is a secondary treatment plant serving 3,507 people in Holme, England. It discharges 780.78 m³/day of treated wastewater within 10 km of the coast.
Holstein WWTP is a secondary treatment facility serving 1,470 people in Holstein, Iowa. It discharges 567.81 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,343.82 thousand cubic meters.