Environment nonprofits in Washington
Environment nonprofits in Washington. Browse 1,169 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Washington Water Trust
EIN 911937417 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Waterfowl Association
EIN 916035478 · Headquarters: Bellevue, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Wildlife Rehabilitation Association
EIN 200754792 · Headquarters: Shoreline, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Women for Climate Action Now
EIN 208763972 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Washougal Ivy League
EIN 332409273 · Headquarters: Washougal, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Waste Action Project
EIN 911656108 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Waste Loop
EIN 834369060 · Headquarters: LEAVENWORTH, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Watch This Fourwheelerz
EIN 800777873 · Headquarters: Bonney Lake, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Water and Sanitation Health Inc
EIN 204146260 · Headquarters: WENATCHEE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Water Conservation Alliance
EIN 270083939 · Headquarters: Bellevue, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Watershed Alliance of Southwest Washington
EIN 261506315 · Headquarters: VANCOUVER, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Watershed Art
EIN 912081850 · Headquarters: Leavenworth, WA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Watertimes Foundation
EIN 813209346 · Headquarters: ALLYN, WA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Waterville Main Street Association
EIN 455228162 · Headquarters: WATERVILLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- We Have 1 Foundation
EIN 833322273 · Headquarters: Lacey, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Weed Warriors
EIN 800342794 · Headquarters: Renton, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wellington Hills Neighbors
EIN 874054243 · Headquarters: Woodinville, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wenatchee Valley Clean Air Coalition
EIN 911976607 · Headquarters: Wenatchee, WA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- Wenatchee Valley Fly Fishers
EIN 911644090 · Headquarters: Wenathcee, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- West Olympia Community Visioning Group
EIN 264320036 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- West Plains Water Coalition
EIN 923004355 · Headquarters: Airway Heights, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Western Gas Measurement Short Course
EIN 900621115 · Headquarters: MAPLE VALLEY, WA, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Western Lands Project
EIN 911833716 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Western States Project Training Fund
EIN 861044559 · Headquarters: KINGSTON, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Whatcom Environmental Council
EIN 320789335 · Headquarters: Bellingham, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Whatcom Land Trust
EIN 911246994 · Headquarters: Bellingham, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Whatcom Million Trees Project
EIN 863913386 · Headquarters: Bellingham, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Whidbey Camano Land Trust
EIN 911261928 · Headquarters: GREENBANK, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Whidbey Compost Collective
EIN 995021018 · Headquarters: Langley, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Whidbey Environmental Action Network
EIN 911656410 · Headquarters: LANGLEY, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Whidbey Island Chapter - Puget Sound Anglers
EIN 922726679 · Headquarters: Oak Harbor, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Whidbey Island Land & Shore Trust
EIN 912107541 · Headquarters: LANGLEY, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Whidbey Island Water Systems Association
EIN 383712947 · Headquarters: Freeland, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- White River Forest Protection Association
EIN 841915311 · Headquarters: Enumclaw, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- White River Recreation Association
EIN 201097281 · Headquarters: PORT ANGELES, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- White Salmon Conservation League
EIN 912030247 · Headquarters: White Salmon, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Whiteswan Environmental We
EIN 824293428 · Headquarters: Bellingham, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Whitman County Crop Improvement Association
EIN 010650973 · Headquarters: Colfax, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wild & Scenic Institute
EIN 680490606 · Headquarters: Mountlake Terrace, WA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Wild Forests and Fauna
EIN 461294364 · Headquarters: CARNATION, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Wild Sky Community Trails Association
EIN 844717957 · Headquarters: Gold Bar, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wild Steelhead Coalition
EIN 912102162 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wild Washington Rivers
EIN 461731100 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Wilderness Northwest
EIN 911290409 · Headquarters: BRINNON, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wildlife Conservation Trust
EIN 911686564 · Headquarters: Bellingham, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wings Over Water Northwest
EIN 300467653 · Headquarters: Blaine, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisenergy
EIN 272221886 · Headquarters: Vashon, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Women in Environment - Puget Sound Chapter
EIN 922545492 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Women in Forest Management
EIN 392697681 · Headquarters: Shelton, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Womens Energy Network Pnw
EIN 920321328 · Headquarters: Marysville, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Woodinville Garden Club
EIN 912124980 · Headquarters: Woodinville, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Working Forests Coalition
EIN 372157587 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Working Life Media Education Project
EIN 922595353 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- World Organization of Whalewatching
EIN 911844753 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- World Puffin Congress
EIN 993683715 · Headquarters: PORT TOWNSEND, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- World Watershed Alliance
EIN 273984676 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Worldchanging
EIN 352257451 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990
- Worlds Aquarium
EIN 473591717 · Headquarters: Spokane, WA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Wsu Master Recycler Composter of Lewis County
EIN 352248444 · Headquarters: Centralia, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yakima Arboretum Foundation
EIN 833577366 · Headquarters: YAKIMA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yakima Area Arboretum & Botanical Garden
EIN 916073776 · Headquarters: YAKIMA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yakima Basin & Storage Alliance
EIN 421549511 · Headquarters: YAKIMA, WA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Yakima Basin Environmental Education Program
EIN 271655438 · Headquarters: SELAH, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yakima Greenway Foundation
EIN 911110737 · Headquarters: YAKIMA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yakima Valley Community Land Trust
EIN 263194579 · Headquarters: Ellensburg, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Yakima Valley Iris Society
EIN 320512641 · Headquarters: WAPATO, WA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Youth Adventure Inc
EIN 910700447 · Headquarters: Port Townsend, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Youth Environmental Awareness
EIN 451158487 · Headquarters: BOTHELL, WA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Zero Waste Vashon
EIN 464887163 · Headquarters: VASHON, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N