2 plants indexed.
Alderwood Water and Wastewater Dist serves over 131,000 people in Snohomish County, Washington. The plant is located near Puget Sound and operates under US EPA and Washington state regulations.
Lake Stevens STP serves approximately 28,210 people in Snohomish County, Washington. The plant operates under the U.S. Clean Water Act and discharges treated wastewater into the local watershed.