18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
ALMA WWTP is a secondary treatment plant serving 402 people in Alma, Missouri. It discharges 113.56 million gallons per year and has a designed capacity of 317.97 million gallons.
Almaden de la Plata wastewater treatment plant in Almadén de la Plata, Andalucía, Spain, serves a population of 4,533 with secondary treatment. The plant is currently closed.
ALMARAZ wastewater treatment plant serves Almaraz, Cáceres, Extremadura, Spain. It provides secondary treatment for a population of 2,300.
ALMENA WWTP is a secondary treatment plant serving 754 people in Town of Clinton, Wisconsin. It discharges 177.91 units of treated wastewater daily, with a designed capacity of 541.31 units.
ALMENA WWTP is a secondary treatment plant serving 447 people in Norton County, Kansas. It discharges 162.77 million gallons per year and operates under U.S. EPA and state regulations.
Almocageme wastewater treatment plant in Colares, Portugal, serves 3,500 people with secondary treatment. The plant is now closed, having discharged treated effluent near the Atlantic coast.
Almodóvar del Campo wastewater treatment plant in Castilla-La Mancha, Spain, serves about 12,500 people with secondary treatment. It discharges treated water into local waterways, supporting the Guadiana basin.
ALMOHARIN wastewater treatment plant in Almoharín, Extremadura, Spain, serves 4,700 people with secondary treatment. It discharges 851.86 cubic meters daily and has a designed capacity of 4,320 cubic meters.
Almoloya wastewater treatment plant serves the town of Almoloya, Hidalgo, Mexico, with secondary treatment. It discharges 285.12 cubic meters of treated wastewater daily, operating under Mexico's national water regulations.
ALMONACID DE ZORITA wastewater treatment plant serves the town of Almonacid de Zorita in Castilla-La Mancha, Spain. It provides secondary treatment for a population of 1,361.
ALMOND WWTP is a secondary treatment facility serving 457 people in Almond, Wisconsin. It discharges 113.56 units of treated wastewater daily with a designed capacity of 128.70 units.
Almondsbury STW is a secondary wastewater treatment plant in Tockington, England, serving a population of 2,649. It discharges 589.76 cubic meters of treated effluent daily and is located near the coast.
ALMONT LAGOON is a secondary wastewater treatment plant serving Almont, North Dakota, with a population of 122. It discharges 37.85 cubic meters of treated effluent daily.
Alojas NAI is a closed secondary treatment plant in Alojas pagasts, Latvia, serving 608 people. It discharged 116.04 m³/day before closure.
ALOZAINA wastewater treatment plant serves the town of Alozaina in Andalucía, Spain. It provides secondary treatment for a population of 3,686 and has a designed capacity of 2,500 m³/day.
Alpendurada e Matos douro is a secondary wastewater treatment plant in Souselo, Portugal, serving approximately 2,500 people. It discharges treated wastewater inland, contributing to the Douro River basin.
Alpendurada e Matos Tamega is a secondary treatment plant serving 2,500 people in Alpendorada, Várzea e Torrão, Portugal. It discharges treated wastewater into the local watershed, contributing to the Douro River basin.
Alpha STP is a secondary wastewater treatment plant serving 178 people in Alpha, Michigan. It discharges 151.42 cubic meters of treated effluent daily, operating under US EPA NPDES regulations.
Alpine County Service District is a secondary wastewater treatment plant in Alpine, Oregon, serving a small population of 191. It discharges 75.71 million gallons per year into local waterways.
Alpine SD WWTF is a secondary treatment plant serving 570 residents in Alpine, Arizona. It discharges 155.20 units of treated wastewater daily, with a designed capacity of 567.81 units.