1 plants indexed.
Willamina STP is a secondary treatment plant serving 1,840 people in Willamina, Oregon. It discharges treated wastewater into the local watershed, operating under U.S. EPA NPDES regulations.
UtilityRadar indexes 1 wastewater treatment plant in Willamina, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, WILLAMINA STP has the highest designed capacity at 833 m3/day.