Contact Us

For all permits (except Industrial and Construction Stormwater), please contact one of the following Department of Ecology region offices:

Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Mason, Lewis, Pacific, Pierce, Skamania, Thurston, and Wahkiakum counties

Washington Department of Ecology
Water Quality Program - SWRO
PO Box 47775
Olympia, WA 98504-7775
(360) 407-6300
WQWebDMR-SWRO@ecy.wa.gov

Adams, Asotin, Columbia, Ferry, Franklin, Garfield, Grant, Lincoln, Pend Oreille, Spokane, Stevens, Walla Walla, and Whitman counties

Washington Department of Ecology
Water Quality Program - ERO
N. 4601 Monroe
Spokane, WA 99205-1295
(509) 329-3400
WQWebDMR-ERO@ecy.wa.gov

Benton, Chelan, Douglas, Kittitas, Klickitat, Okanogan, and Yakima counties

Washington Department of Ecology
Water Quality Program - CRO
1250 West Alder Street
Union Gap, WA 98903-0009
(509) 575-2490
WQWebDMR-CRO@ecy.wa.gov

Island, King, Kitsap, San Juan, Skagit, Snohomish, and Whatcom counties

Washington Department of Ecology
Water Quality Program - NWRO
PO Box 330316
Shoreline, WA 98133-9716
(206) 594-0000
WQWebDMR-NWRO@ecy.wa.gov

For Major Industrial Facilities (NPDES and State Waste Discharge Permits):

Washington Department of Ecology
Water Quality Program Major Industrial Unit
P.O. Box 47600
Olympia, WA 98504-7600
(360) 407-6945
WQWebDMR-Industrial@ecy.wa.gov

For Industrial and Construction Stormwater Applications, Notices of Intent (NOI), Transfers of Coverage (TOC), Modifications, or other questions:

Washington Department of Ecology
Water Quality Program Stormwater Unit
ecyrewqianoi@ecy.wa.gov

For Industrial and Construction Stormwater Electronic Signature Agreement Forms (ESAF), or other technical assistance:

Washington Department of Ecology
Water Quality Program IT Unit
P.O. Box 47699
Olympia, WA 98504-7699
(360) 407-7097 or 1-800-633-6193, Option 3 (toll free)
WQWebPortal@ecy.wa.gov