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Idaho · NTEE C

Environment Nonprofits in Idaho

Givalgo Discover indexes 50 active environment nonprofits headquartered in Idaho. The list below is sorted by reported revenue on the most recent Form 990 indexed for each organisation.

Top 50 by reported revenue

From the most recent Form 990 indexed for each organisation. Click an org for full diligence detail.

#OrganisationRevenue
1WOOD RIVER LAND TRUST COMPANY
EIN 82-0474191
$7.3M
2WAFWA SPECIES RESTORATION FOUNDATION
EIN 46-5570304
$6.4M
3IDAHO BOTANICAL GARDENS INC
EIN 82-0379274
$5.5M
4ADVOCATES FOR THE WEST INC
EIN 06-1654062
$3.9M
5TETON REGIONAL LAND TRUST
EIN 94-3146525
$3.7M
6CLEARWATER-POTLATCH TIMBER PROTECTIVE ASSOCIATION INC
EIN 82-0263862
$3.5M
7WILDLAND FIREFIGHTER FOUNDATION
EIN 93-1266991
$2.7M
8FRIENDS OF THE TETON RIVER INC
EIN 82-0527505
$2.5M
9IDAHO BASECAMP
EIN 27-3427884
$2.1M
10SAGEBRUSH STEPPE LAND TRUST INC
EIN 82-6092501
$2.0M
11WESTERN WATERSHEDS PROJECT INC
EIN 94-3202140
$1.9M
12PALOUSE CLEARWATER ENVIRONMENTAL INSTITUTE INCORPORATED
EIN 94-3038182
$1.9M
13SAGEBRUSH HABITAT CONSERVATION FUND INC
EIN 27-2961250
$1.8M
14CONSOLIDATED IRRIGATION COMPANY
EIN 30-0716204
$1.3M
15KANIKSU LAND TRUST INC
EIN 47-0898549
$1.2M
16SELWAY-BITTERROOT FOUNDATION
EIN 27-2868220
$1.1M
17BLUERIBBON COALITION INC
EIN 82-0413981
$1.0M
18PROJECT BIG WOOD A NONPROFIT CORPORATION
EIN 88-2750423
$885K
19THE EARTHFIRE INSTITUTE
EIN 82-0525968
$632K
20HIGH COUNTRY RESOURCE CONSERVATION AND DEVELOPMENT AREA INC
EIN 82-0416948
$630K
21IDAHO ADVANCED ENERGY CONSORTIUM INCORPORATED
EIN 92-2637425
$621K
22PALOUSE LAND TRUST INC
EIN 94-3219418
$615K
23ODEN WATER ASSOCIATION INC
EIN 82-0290459
$597K
24SNAKE RIVER WATERKEEPER INC
EIN 47-1608920
$582K
25TETON VALLEY TRAILS & PATHWAYS INCORPORATED
EIN 82-0506420
$557K
26IDAHO RIVERS UNITED INC
EIN 82-0439916
$552K
27SAWTOOTH SOCIETY INC
EIN 84-1421909
$521K
28SALMON VALLEY STEWARDSHIP
EIN 20-3724466
$505K
29IDAHO FOUNDATION FOR PARKS AND LANDS
EIN 23-7255461
$502K
30BUILDING MATERIAL THRIFT STORE
EIN 85-2491411
$483K
31FRIENDS OF WEISER RIVER TRAIL INC
EIN 82-0495183
$481K
32GARWOOD WATER COOPERATIVE GARWOOD RT 3 BOX 75G
EIN 82-0420985
$466K
33LAND TRUST OF THE TREASURE VALLEY
EIN 84-1380693
$398K
34ECOSYSTEM SCIENCES FOUNDATION
EIN 31-1781848
$389K
35NIMIIPUU PROTECTING THE ENVIRONMENT
EIN 47-3465431
$378K
36LOWER BOISE WATERSHED COUNCIL INC
EIN 82-0472690
$375K
37SAWTOOTH BOTANICAL GARDEN INC
EIN 82-0475551
$371K
38CRATERS OF THE MOON NATURAL HISTORY ASSOCIATION INC
EIN 82-6002093
$361K
39IDAHO ASSOCIATION OF SOIL CONSERVATION DISTRICTS INC
EIN 82-0392337
$302K
40TERRAGRAPHICS INTERNATIONAL FOUNDATION INC
EIN 45-4007725
$294K
41FRIENDS OF DEER FLAT WILDLIFE REFUGE
EIN 56-2565784
$291K
42VALLEY ADVOCATES FOR RESPONSIBLE DEVELOPMENT INC
EIN 82-0537849
$291K
43SOUTHWEST IDAHO RESOURCE CONSERVATION & DEVELOPMENT RC&D CO
EIN 82-0476738
$256K
44FRIENDS OF SCOTCHMAN PEAKS WILDERNESS INC
EIN 74-3202365
$242K
45MODEL FOREST POLICY PROGRAM INC
EIN 74-3242219
$231K
46TRANS CASCADIA INC
EIN 47-3339729
$229K
47IDAHO ORGANIZATION OF RESOURCE COUNCILS INC
EIN 46-5310102
$228K
48TREASURE VALLEY CANOPY NETWORK INC
EIN 86-3733739
$214K
49HARRIS RANCH WILDLIFE MITIGATION ASSOCIATION INC
EIN 27-4403659
$210K
50WILDLENS INC
EIN 45-1834967
$191K

Frequently asked questions about environment nonprofits in Idaho

Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.

How many environment nonprofits operate in Idaho?
Every IRS-registered environment nonprofit in Idaho appears in the Givalgo Discover index. The top 50 by reported revenue are listed on this page; the full set is searchable on discover.givalgo.ai.
What's the largest environment nonprofit in Idaho?
The single largest environment nonprofit in Idaho by reported total revenue is shown at the top of the list on this page, sourced from each organisation's most recent IRS Form 990 filing.
How do I vet a environment nonprofit in Idaho before donating?
Use Givalgo Discover's free profile for the organisation: it cross-references the IRS Auto-Revocation List, IRS Publication 78, and the IRS Business Master File, and exposes the latest Form 990 financials and governance signals on a single page.
Are donations to Idaho environment nonprofits tax-deductible?
Federal deductibility is determined by IRS Publication 78 status, not state location. Donations to a Pub 78-listed environment nonprofit in Idaho are tax-deductible at the federal level; Idaho state tax treatment may differ.
Where do environment nonprofits in Idaho file their Form 990?
All US tax-exempt organisations file Form 990 with the IRS at the federal level — there is no state-specific filing for the federal exemption itself. Idaho state charity registration is a separate state-level requirement.