2 plants indexed.
Port of Sunnyside Industrial WWTF is a small industrial wastewater treatment facility in Sunnyside, Washington, serving a population equivalent of 17. It operates under U.S. EPA and Washington state regulations.
Sunnyside POTW is a municipal wastewater treatment plant serving approximately 16,010 people in Sunnyside, Washington. It operates under the U.S. Clean Water Act framework.