Water treatment plants produce water for drinking and for industrial businesses. The Washington State Department of Health assures drinking water is safe and reliable. Our role ensures that the water treatment byproducts released from these plants do not harm the environment.
Treatment can involve:
You need this general permit if your water treatment plant discharges wastewater to surface waters and:
If any of these are the case, you may need an individual permit.
Apply online through SecureAccess Washington and use the WQWebPortal to submit your NOI (Notice of Intent), or contact the permit administrator in your region.
See instructions for applying online.
Benton, Chelan, Douglas, Kittitas, Klickitat, Okanogan, and Yakima
Adams, Asotin, Columbia, Ferry, Franklin, Garfield, Grant, Lincoln, Pend Oreille, Spokane, Stevens, Walla Walla, and Whitman
Island, King, Kitsap, San Juan, Skagit, Snohomish, and Whatcom
Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Kitsap, Lewis, Mason, Pacific, Pierce, Skamania, Thurston, and Wahkiakum