The Washington Water/WastewaterAgency Response Network
Member Utilities
All WaWARN member utilities, including utilities who have applied for membership but have not signed the MAA:
| Utility Name | County | Region |
|---|---|---|
| Alderwood Water & Wastewater District | Snohomish | Northwest |
| Bayview Beach Water District | Island | Northwest |
| Beacon Hill Water and Sewer District | Cowlitz | Southwest |
| Birch Bay Water & Sewer District | Whatcom | Northwest |
| Carbonado Water Dept. | Pierce | Southwest |
| Cedar River Water & Sewer District | King | Northwest |
| Chelan Co PUD #1 | Chelan | Central |
| City of Airway Heights | Spokane | Eastern |
| City of Anacortes Water Treatment Plant | Skagit | Northwest |
| City of Bellevue Utilities Department | King | Northwest |
| City of College Place | Walla Walla | Eastern |
| City of Ferndale | Whatcom | Northwest |
| City of Lacey | Thurston | Southwest |
| City of Marysville | Snohomish | Northwest |
| City of Mercer Island | King | Northwest |
| City of Newport | Pend Oreille | Eastern |
| City of Orting | Pierce | Southwest |
| City of Pacific | King | Northwest |
| City of Pullman | Whitman | Eastern |
| City of Riverside | Okanogan | Central |
| City of Spokane | Spokane | Eastern |
| City of Sprague | Lincoln | Eastern |
| City of Sumner | Pierce | Northwest |
| City of Tieton | Yakima | Central |
| City of Vancouver | Clark | Southwest |
| City of Yakima | Yakima | Central |
| Clark Public Utilities | Clark | Southwest |
| Clark Regional Wastewater District | Clark | Southwest |
| Coal Creek Utility District | King | Northwest |
| consolidated irrigation district #19 | Spokane | Eastern |
| Covington Water District | King | Northwest |
| Cross Valley Water District | Snohomish | Northwest |
| Douglas County Sewer District | Douglas | Central |
| East Wenatchee Water District | Douglas | Central |
| Everett Public Works | Snohomish | Northwest |
| Firgrove Mutual Water Company | Pierce | Northwest |
| Fisherman Bay Sewer District | San Juan | Northwest |
| Fox Island Mutual Water Assoc. | Pierce | Northwest |
| Fruitland Mutual Water Company | Pierce | Northwest |
| Grays Harbor County Water District #2 | Grays Harbor | Northwest |
| Hartstene Pointe Water-Sewer District | Mason | Southwest |
| Highland Water District | Snohomish | Northwest |
| Highline Water District | King | Northwest |
| Irvin Water District #6 | Spokane | Eastern |
| King Co Water District # 111 | King | Northwest |
| King Co Water District #117 | King | Northwest |
| King Co Water District #125 | King | Northwest |
| King Co Water District #20 | King | Northwest |
| King Co Water District #45 | King | Northwest |
| King Co Water District #49 | King | Northwest |
| King Co Water District #54 | King | Northwest |
| King Co Water District #90 | King | Northwest |
| Kitsap PUD #1 | Kitsap | Southwest |
| Kittitas Co Water District #5 | Kittitas | Central |
| Kittitas Co Water District #7 | Kittitas | Central |
| Klickitat PUD #1 | Klickitat | Central |
| Lagoon Point Water District | Island | Northwest |
| Lake Josephine Riviera | Pierce | Northwest |
| Lake Stevens Sewer District | Snohomish | Northwest |
| Lake Whatcom Water & Sewer District | Whatcom | Northwest |
| Lakehaven Water and Sewer District | King | Northwest |
| Lakewood Water District | Pierce | Northwest |
| Liberty Lake Sewer & Water District | Spokane | Eastern |
| Malaga Water District | Chelan | Central |
| Mason County PUD No. 1 - 38 systems | Mason | Southwest |
| Midway Sewer District | King | Northwest |
| Moab Irrigation District #20 | Spokane | Eastern |
| Mt. View-Edgewood Water Co | Pierce | Northwest |
| Mukilteo Water & Wastewater District | Snohomish | Northwest |
| Nob Hill Water | Yakima | Central |
| Norheast Sammamish Sewer & Water District | King | Northwest |
| North City Water District | King | Northwest |
| North Perry Avenue Water District | Kitsap | Southwest |
| North Spokane Irrigation District #8 | Spokane | Eastern |
| Northshore Utility District | King | Northwest |
| Olympic View Water & Sewer District | Snohomish | Northwest |
| Olympic View Water & Sewer District | Snohomish | Northwest |
| Parkland Light & Water | Pierce | Northwest |
| Parkland Light & Water | Pierce | Northwest |
| Pasadena Park Irrigation District #17 | Spokane | Eastern |
| Peninsula Light Company | Pierce | Northwest |
| Penn Cove Water & Sewer District | Island | Northwest |
| Public Utility District #1 of Clallam County - 9 systems | Clallam | Southwest |
| PUD No. 1 of Thurston County - 160 Systems | Thurston | Southwest |
| Rainier View Water | Pierce | Northwest |
| Ronald Wastewater District | King | Northwest |
| Sammamish Plateau Water & Sewer District | King | Northwest |
| Seattle Public Utilities | King | Northwest |
| Skagit County PUD 1 | Skagit | Northwest |
| Skyway Water and Sewer District | King | Northwest |
| Snohomish Co PUD #1 - 9 systems | Snohomish | Northwest |
| Snoqualmie Pass Water District | King | Northwest |
| Soos Creek Water & Sewer District | King | Northwest |
| Southwest Suburban Sewer District | King | Northwest |
| Spanaway Water Company | Pierce | Northwest |
| Tacoma Water | Pierce | Northwest |
| Town of Rosalia | Whitman | Eastern |
| Town of Steilacoom | Pierce | Northwest |
| Valley of the Horses Water District | Spokane | Eastern |
| Valley View Sewer District | King | Northwest |
| Washington Water Service Company | Pierce | Northwest |
| Water District #19 | King | Northwest |
| West Sound Utility District | Kitsap | Southwest |
| Woodinville Water District | King | Northwest |