18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
ARA Arboldswil is a secondary treatment plant serving 256 people in Arboldswil, Basel-Landschaft, Switzerland. It discharges 116.20 m³/day of treated wastewater into the local watershed.
ARA Bennwil is a secondary wastewater treatment plant serving 192 people in Bennwil, Basel-Landschaft, Switzerland. It discharges 87.15 m³/day of treated effluent and has a designed capacity of 450 m³/day.
ARA BURG is a secondary treatment plant serving 128 people in Burg im Leimental, Basel-Landschaft, Switzerland. It discharges 58.10 m³/day of treated wastewater with a designed capacity of 300 m³/day.
ARA GAV Kleinharraserbach 3366 GF is a secondary treatment plant serving 1,350 people in Matzen-Raggendorf, Niederösterreich, Austria. It discharges 605.60 m³/day of treated wastewater.
ARA Hemmiken is a secondary treatment plant serving 135 people in Hemmiken, Basel-Landschaft, Switzerland. It discharges 61.28 m³/day of treated wastewater, operating under Swiss water protection regulations.
ARA HERSBERG is a secondary treatment plant serving 142 people in Hersberg, Basel-Landschaft, Switzerland. It discharges 64.46 m³/day of treated wastewater into the local watershed.
ARA Lackenhof 1632 SB is a secondary treatment plant in Lackenhof, Niederösterreich, Austria, serving 1,920 people with a designed capacity of 3,000 m³/day.
ARA Liedertswil is a secondary treatment plant serving 135 people in Liedertswil, Basel-Landschaft, Switzerland. It discharges 61.28 m³/day of treated wastewater into the local watershed.
ARA LIESBERG is a secondary treatment plant in Liesberg, Basel-Landschaft, Switzerland, serving 1,257 people with a designed capacity of 2,100 m³/day and a discharge volume of 570.58 m³/day.
ARA MAISPRACH is a secondary treatment plant in Maisprach, Basel-Landschaft, Switzerland, serving 402 people. It discharges 182.48 m³/day of treated wastewater into the local watershed.
ARA NUSSHOF is a secondary treatment plant serving 135 people in Nusshof, Basel-Landschaft, Switzerland. It discharges 61.28 m³/day of treated wastewater, operating under Swiss water protection regulations.
ARA OLTINGEN is a secondary treatment plant in Oltingen, Basel-Landschaft, Switzerland, serving 267 people with a design capacity of 625 m³/day and an average discharge of 121.2 m³/day.
ARA Pulkau 473 HL is a secondary treatment plant serving 1,058 people in Pulkau, Niederösterreich, Austria. It discharges 670.93 m³/day of treated wastewater.
ARA Roggenburg is a secondary treatment plant serving 164 people in Roggenburg, Basel-Landschaft, Switzerland. It discharges 74.44 m³/day of treated wastewater.
ARA Ruenenberg Sued is a secondary treatment plant in Rünenberg, Basel-Landschaft, Switzerland, serving 135 people with a designed capacity of 317 m³/day.
ARA WINTERSINGEN is a secondary treatment plant serving 312 people in Wintersingen, Basel-Landschaft, Switzerland. It discharges 141.62 m³/day of treated wastewater into the local watershed.
ARA Yspertal 1345 ME is a secondary treatment plant in Altenmarkt, Niederösterreich, Austria, serving 2,189 people. It discharges 964.38 m³/day of treated wastewater, with a designed capacity of 3,420 m³/day.
ARAIA wastewater treatment plant serves Albeiz, Asparrena in Euskadi, Spain. It provides secondary treatment for a population of 2,000 with a designed capacity of 3,700 m³/day.
Aramac wastewater treatment plant in Queensland, Australia, serves a small population of 336 with secondary treatment. It discharges treated wastewater inland, supporting local water quality in the region.
Aramberri wastewater treatment plant in Nuevo León, Mexico, serves a small population of 1,825 with secondary treatment. It operates under Mexican water regulations, discharging treated water into local waterways.