Environment organizations operating in Washington — revenue, assets, and AI-powered transparency analysis from IRS 990 data.
| # | Organization | City | Revenue | Score |
|---|---|---|---|---|
| 1 | Splash International | Seattle | $6.4M | — |
| 2 | Washington Water Trust | Seattle | $4.8M | — |
| 3 | Mid Columbia Fisheries Enhancement Group | White Salmon | $3.4M | 92/100 |
| 4 | Northwest Watershed Institute | Port Townsend | $1.9M | — |
| 5 | Adopt A Stream Foundation | Everett | $1.6M | — |
| 6 | Feiro Marine Life Center | Port Angeles | $1.4M | — |
| 7 | Mangrove Action Project | Seattle | $1.2M | 90/100 |
| 8 | Tetiaroa Society | Bellevue | $723K | — |
| 9 | South Sound Estuary Association | Olympia | $611K | — |
| 10 | Foundation For Glacier & Environmental Research | Seattle | $602K | — |
| 11 | Spokane Riverkeeper | Spokane | $453K | — |
| 12 | Watershed Alliance Of Southwest Washington | Vancouver | $360K | — |
| 13 | Professional Training Association | Shelton | $303K | — |
| 14 | Carrolls Water Assn | Carrolls | $257K | — |
| 15 | Earthviews Conservation Society | Tacoma | $253K | — |
| 16 | Spokane River Forum | Spokane | $209K | — |
| 17 | Sound Water Stewards Of Island County | Freeland | $193K | — |
There are 17 environment nonprofits in Washington, with $24.8M in combined revenue and $27.0M in total assets.
The largest environment nonprofit in Washington by revenue is Splash International with $6.4M in annual revenue.
Spending data is being compiled.
Check the organization's Mission Score, review red flags, examine spending breakdowns, and verify their IRS 990 filings on NonprofitSpending. Legitimate nonprofits typically spend 65%+ of their budget on programs.