2 plants indexed.
HERISAUSAUM is a secondary treatment plant serving 135 people in Herisau, Appenzell Ausserrhoden, Switzerland. It discharges 61.28 m³/day of treated wastewater into the local watershed.
Herisauschwaenberg wastewater treatment plant in Herisau, Switzerland, serves a small population of 107. It provides secondary treatment and discharges 48.57 m³/day, operating under Swiss water protection regulations.