River Mile Foundation
Provide charitable resources for various environmental causes and conservation efforts related to the south platte river, to improve the lives of those living in and around such area, which constitutes a sufficiently large charitable class, and to engage in grant making activities related to the foregoing charitable purposes.
River Mile Foundation at a glance
In short: River Mile Foundation gave $65K across 1 grant in 2025 (avg $65K), mostly in Colorado. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $65,000
- +0.0% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $65,000
- +0.0% vs 2024
- Median grant
- $65,000
- Total assets
- $1,472,328
- -1.6% vs 2024
- Primary geography
- Colorado (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who River Mile Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was The Greenway Foundation ($65K).
Grant Size Distribution
3 grants across all recorded years
The most common grant size was in the $50–100K range: 2 grants of 3 (67%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2023 to 2025, annual grant giving ranged from $15K (2023) to $65K (2025). In 2025 it made 1 grant totaling $65K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Greenway Foundation Denver, CO | 2025 Fishing Derby Beneficiary and 2025 Sponsorship | $65,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $1,472,328 | $59,031 | $83,910 | $65,000 | 1 | $43,486 |
| 2024 | $1,496,058 | $90,847 | $81,981 | $65,000 | 1 | $60,847 |
| 2023 | $1,487,192 | $-2,319,563 | $43,782 | $15,000 | 1 | $-2,360,363 |
| 2022 | $3,870,932 | $26,364 | $26,291 | — | — | — |
| 2021 | $3,860,238 | $3,852,189 | $1,725 | — | — | — |
About River Mile Foundation
Based on IRS filings
River Mile Foundation is a public charity, based in Denver, CO. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $1.5M in total assets. In 2025, it awarded 1 grant totaling $65K. Net investment income was $43K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
River Mile Foundation is led by Rhys Duggan, President on every filing since 2021; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Rhys Duggan
President
On filings since 2021
No compensation reported
Mark Donahue
Treasurer
On filings since 2021
No compensation reported
Former officers (1)
- Former: Marc Perusse (2021–2022) — Vice President & Secretary
Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about River Mile Foundation
How much does River Mile Foundation give each year?
River Mile Foundation gave $65K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $65K across 1 grant.
How large is River Mile Foundation?
River Mile Foundation reported $1.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $59K.
Where does River Mile Foundation operate?
River Mile Foundation has awarded grants in Colorado.
What is River Mile Foundation's EIN?
River Mile Foundation's EIN (Employer Identification Number) is 87-2272177. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2025 (received by the IRS May 7, 2026)
- IRS filings on file for fiscal years 2021–2024
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