Thunder Basin Grasslands Prairie Eco-system Association
Only null% goes to programs Strong reserves Growing revenue
Thunder Basin Grasslands Prairie Eco-system Association is a 501(c)(3) organization based in Douglas, Wyoming, registered in 2002, with $746,253 in FY2024 revenue. CharityIndex grades it B.
671 Steinle Rd Ste 2, Douglas, WY, 82633 EIN 83-0332000 Since 2002
Revenue (FY2024)
$746K
▼ 11.2% vs prior year
Environment median: $250K
Expenses (FY2024)
$568K
Net assets
$323K
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
B
★★★★
Rated on 2 of 4 criteria — the rest aren't reported in this filing type.
Held down by its weakest criterion — a strong score on one criterion can't hide a weak one.
How the rating works →—Program efficiency40% of the ratingNo expense breakdown in filings
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for Thunder Basin Grasslands Prairie Eco-system Association— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
AFinancial health25% of the rating7 mo reserves · +24% margin
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For Thunder Basin Grasslands Prairie Eco-system Association: 7 mo reserves · +24% margin earns a A on this criterion. See the exact thresholds →
—Governance25% of the ratingNot reported in this filing type
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for Thunder Basin Grasslands Prairie Eco-system Association— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
CTransparency10% of the rating2 of 5 disclosure signals
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For Thunder Basin Grasslands Prairie Eco-system Association: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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A live seal — it updates automatically when the grade changes and links donors to this verified profile.
Contact & location
- Address
- 671 Steinle Rd Ste 2, Douglas, WY, 82633
- City
- Douglas
- State
- Wyoming
- Category
- Environment
- Subcategory
- Natural Resources Conservation
- Website
- …
Financial trends
Revenue grew from $470K (FY2013) to $746K (FY2024) across 12 reported years.
Financial snapshot
Financial health & position (FY2024)
Liabilities $2,971Net assets $323K
Operating margin
23.8%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$326K
Total liabilities
$2,971
Net assets
$323K
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $746,253▼11.2% | $568,332▼28.9% | $323,322▲122% | $326,293▲123% | 990 |
| 2023 | $840,382▲99.5% | $799,875▲44.0% | $145,401▲38.6% | $146,321▲37.9% | 990 |
| 2022 | $421,274▼13.9% | $555,389▲14.9% | $104,894▼56.1% | $106,114▼56.3% | 990 |
| 2021 | $489,091▼14.8% | $483,181▼14.5% | $239,009▲2.5% | $242,717▲4.0% | 990 |
| 2020 | $574,057▲65.8% | $565,422▲44.0% | $233,099▲3.8% | $233,302▲3.0% | 990 |
| 2019 | $346,136▼25.0% | $392,568▲11.9% | $224,464▼17.1% | $226,408▼16.7% | 990 |
| 2018 | $461,378▲21.0% | $350,790▼0.4% | $270,896▲69.0% | $271,944▲68.2% | 990 |
| 2017 | $381,457▼9.1% | $352,229▼32.1% | $160,308▲22.3% | $161,660▲21.8% | 990 |
| 2016 | $419,839▲16.1% | $518,712▲33.6% | $131,080▼43.0% | $132,779▼42.5% | 990 |
| 2015 | $361,721▲23.1% | $388,172▲14.0% | $229,953▼10.3% | $230,883▼10.5% | 990 |
| 2014 | $293,892▼37.5% | $340,648▲19.6% | $256,404▼15.4% | $257,945▼15.0% | 990 |
| 2013 | $470,087 | $284,913▼48.1% | $303,160▲157% | $303,583▲156% | 990 |
| 2012 | — | $549,430▲98.8% | $117,986▼62.5% | $118,760▼62.3% | 990 |
| 2011 | — | $276,305 | $314,403 | $315,004 | 990 |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
Grants received · $599K total
7 grants to Thunder Basin Grasslands Prairie Eco-system Association totaling $599K, reported by foundations on their Schedule I filings.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| National Fish and Wildlife Foundation | Restore wy sagebrush grasslands for sage-grouse | 2023 | $196,404 |
| National Fish and Wildlife Foundation | Grassland restoration | 2022 | $109,804 |
| National Fish and Wildlife Foundation | Community-led conservation | 2021 | $151,065 |
| National Fish and Wildlife Foundation | Conservation projects | 2020 | $98,935 |
| Humane World For Animals Inc | Build and maintain a large scale prairie dog management barrier | 2017 | $17,000 |
| Nature Conservancy | Conservation activities | 2016 | $13,000 |
| Nature Conservancy | Conservation activities | 2014 | $13,000 |
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Frequently asked questions
- Is Thunder Basin Grasslands Prairie Eco-system Association a legitimate nonprofit?
- Yes. Thunder Basin Grasslands Prairie Eco-system Association is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 83-0332000, based in Douglas, Wyoming. Donations are tax-deductible.
- What is Thunder Basin Grasslands Prairie Eco-system Association's EIN?
- Thunder Basin Grasslands Prairie Eco-system Association's Employer Identification Number (EIN) is 83-0332000.
- How much revenue does Thunder Basin Grasslands Prairie Eco-system Association report?
- Thunder Basin Grasslands Prairie Eco-system Association reported $746,253 in total revenue on its fiscal year 2024 IRS Form 990 filing.
- What financial grade does Thunder Basin Grasslands Prairie Eco-system Association have?
- CharityIndex grades Thunder Basin Grasslands Prairie Eco-system Association B, based on financial health (reserves and operating margin).
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Data for Thunder Basin Grasslands Prairie Eco-system Association (EIN 83-0332000) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.