18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
ALPINE WWTP is a secondary treatment plant in Alpine, Wyoming, serving a population of 828. It discharges treated wastewater into the local watershed, with a designed capacity of 1,514.16 volume units.
Alpurrurulam wastewater treatment plant serves the remote community of Alpurrurulam in the Barkly Region, Northern Territory, Australia. The secondary treatment facility manages a daily discharge volume of 119.31 megaliters.
Alqueidao wastewater treatment plant serves Figueira da Foz, Portugal, treating wastewater for 2,700 people. It provides secondary treatment and discharges 450.17 m³/day, located within 10 km of the Atlantic coast.
ALREWAS STW is a secondary wastewater treatment plant in Lichfield, England, serving approximately 3,800 people with a designed capacity of 4,500 m³/day. It discharges treated effluent into local watercourses within the Trent River basin.
Alsen Lagoon is a secondary treatment plant serving 35 people in Alsen, North Dakota. It discharges 18.93 megaliters annually and has a designed capacity of 37.85 megaliters.
ALTA VISTA WWTP is a secondary treatment plant serving 246 people in Alta Vista, Iowa. It discharges 132.49 thousand cubic meters of treated wastewater annually, with a designed capacity of 227.12 thousand cubic meters.
ALTA VISTA WWTP is a secondary treatment plant in Wabaunsee County, Kansas, serving 421 people. It discharges 166.56 units of treated wastewater daily, with a designed capacity of 204.41 units.
ALTA WWTP is a secondary treatment plant serving Alta, Iowa, with a population of 1,865. It discharges 643.52 thousand gallons per day and has a designed capacity of 2,142.54 thousand gallons per day.
ALTAMONT wastewater treatment plant serves Altamont, Utah, providing secondary treatment for a small population of 225. It discharges 94.64 cubic meters of treated wastewater daily.
ALTAMONT STP NORTH is a secondary wastewater treatment plant in Altamont, Illinois, serving a population of 704. It discharges treated effluent into local waterways, supporting the Kaskaskia River basin.