2 plants indexed.
Dallesport Treatment is a secondary wastewater plant in Klickitat County, Washington, serving 1,625 people. It discharges 378.54 megaliters annually and operates under U.S. EPA NPDES regulations.
ROOSEVELT LAGOON is a secondary treatment plant serving 50 people in Klickitat County, Washington. It discharges 18.93 megaliters of treated wastewater annually.