2 plants indexed.
ENTIAT S_T FACILITY is a secondary treatment plant in Chelan County, Washington, serving 1,635 people. It discharges 302.83 megaliters per year and operates under US EPA NPDES regulations.
Stevens Pass Sewer District is a secondary treatment plant in Chelan County, Washington, serving 384 people. It discharges treated wastewater into the local watershed, contributing to the region's water quality management.