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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
2IDAHO BOTANICAL GARDENS INC
EIN 82-0379274
$5.5M
3ADVOCATES FOR THE WEST INC
EIN 06-1654062
$3.9M
4TETON REGIONAL LAND TRUST
EIN 94-3146525
$3.7M
5CLEARWATER-POTLATCH TIMBER PROTECTIVE ASSOCIATION INC
EIN 82-0263862
$3.5M
6FRIENDS OF THE TETON RIVER INC
EIN 82-0527505
$2.9M
7WILDLAND FIREFIGHTER FOUNDATION
EIN 93-1266991
$2.7M
8IDAHO BASECAMP
EIN 27-3427884
$2.1M
9SAGEBRUSH STEPPE LAND TRUST INC
EIN 82-6092501
$2.0M
10WESTERN WATERSHEDS PROJECT INC
EIN 94-3202140
$1.9M
11PALOUSE CLEARWATER ENVIRONMENTAL INSTITUTE INCORPORATED
EIN 94-3038182
$1.9M
12SAGEBRUSH HABITAT CONSERVATION FUND INC
EIN 27-2961250
$1.7M
13PALOUSE LAND TRUST INC
EIN 94-3219418
$1.5M
14WAFWA SPECIES RESTORATION FOUNDATION
EIN 46-5570304
$1.3M
15KANIKSU LAND TRUST INC
EIN 47-0898549
$1.2M
16BLUERIBBON COALITION INC
EIN 82-0413981
$1.0M
17PROJECT BIG WOOD A NONPROFIT CORPORATION
EIN 88-2750423
$885K
18SELWAY-BITTERROOT FOUNDATION
EIN 27-2868220
$816K
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
22ODEN WATER ASSOCIATION INC
EIN 82-0290459
$603K
23TETON VALLEY TRAILS & PATHWAYS INCORPORATED
EIN 82-0506420
$557K
24IDAHO RIVERS UNITED INC
EIN 82-0439916
$552K
25SAWTOOTH SOCIETY INC
EIN 84-1421909
$521K
26SALMON VALLEY STEWARDSHIP
EIN 20-3724466
$505K
27IDAHO FOUNDATION FOR PARKS AND LANDS
EIN 23-7255461
$502K
28BUILDING MATERIAL THRIFT STORE
EIN 85-2491411
$483K
29GARWOOD WATER COOPERATIVE GARWOOD RT 3 BOX 75G
EIN 82-0420985
$466K
30SNAKE RIVER WATERKEEPER INC
EIN 47-1608920
$435K
31CONSOLIDATED IRRIGATION COMPANY
EIN 30-0716204
$417K
32LAND TRUST OF THE TREASURE VALLEY
EIN 84-1380693
$398K
33ECOSYSTEM SCIENCES FOUNDATION
EIN 31-1781848
$389K
34LOWER BOISE WATERSHED COUNCIL INC
EIN 82-0472690
$375K
35SAWTOOTH BOTANICAL GARDEN INC
EIN 82-0475551
$371K
36CRATERS OF THE MOON NATURAL HISTORY ASSOCIATION INC
EIN 82-6002093
$361K
37VALLEY ADVOCATES FOR RESPONSIBLE DEVELOPMENT INC
EIN 82-0537849
$340K
38TERRAGRAPHICS INTERNATIONAL FOUNDATION INC
EIN 45-4007725
$294K
39FRIENDS OF DEER FLAT WILDLIFE REFUGE
EIN 56-2565784
$291K
40HARRIS RANCH WILDLIFE MITIGATION ASSOCIATION INC
EIN 27-4403659
$256K
41SOUTHWEST IDAHO RESOURCE CONSERVATION & DEVELOPMENT RC&D CO
EIN 82-0476738
$256K
42FRIENDS OF SCOTCHMAN PEAKS WILDERNESS INC
EIN 74-3202365
$242K
43MODEL FOREST POLICY PROGRAM INC
EIN 74-3242219
$231K
44TRANS CASCADIA INC
EIN 47-3339729
$229K
45IDAHO ORGANIZATION OF RESOURCE COUNCILS INC
EIN 46-5310102
$228K
46LEMHI REGIONAL LAND TRUST
EIN 20-2753508
$228K
47FRIENDS OF WEISER RIVER TRAIL INC
EIN 82-0495183
$217K
48CLEARWATER RESOURCE CONSERVATION & DEVELOPMENT COUNCIL INCORPORATED
EIN 94-3112966
$198K
49IDAHO COALITION OF LAND TRUSTS
EIN 46-4754548
$192K
50PATAGONIAN LAND CONSERVATION TRUST INC
EIN 61-1650442
$185K

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.