California · Nonprofit
MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION
MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION (California) receives grants from 2 organizations whose IRS filings report $25,293 to it, the largest being THE DAVID WILLIAM UPHAM FOUNDATION ($25,000). 1 of them have funded it in more than one year.
- Revenue FY2025
- $197k
- Funders on record
- 2
- Grants received
- $25k
- Net assets
- $82k
What Mammoth Mountain Ski Patrol Alumni Association does
Mission
To support the education and job-related fundamentals to the members of the mammoth mountain ski patrol. To support on-going training, safety and provide education in risk management for members of the mammoth mountain ski patrol. To provide the public with pertinent training. To provide emergency funding to members of mammoth mountain ski patrol.
As stated on its FY2025 Form 990.
Program
Provide on-going training, safety and education in risk management for members of the mammoth mountain ski patrol.
$62,210 spentof which $26,468 as grants100% of program spending
The program described on its FY2024 Form 990. Program spending in total: $62,210.
The organization over time
Each line starts at 100 in 2022, so what you read is the shape rather than the size: 150 means half as much again as 2022, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2024 to 2025, from $13k to $87k (+571%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2025 10%. Grants only. Government contracts and fees sit inside program revenue.
98% of MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION’s revenue is contributions — more reliant on donations than three-quarters of its peers (57% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 2 of the last 3 reported years ran a deficit.
reserve
Who funds it, year by year
2021 → 2023: the base held at 1 funder, grant income rose $5k → $10k.
From the IRS filings of MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION leans on a few funders — its largest provides 99% of grant income and the top three 100%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
Largest funder’s share by year: 2021 100% · 2022 100% · 2023 100% — broadly stable.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
99% of MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION's grant income comes from California funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION runs a healthier operating margin than three-quarters of the 16,849 education nonprofits its size.
this organization peer median middle 50% of peers· 16,849 education nonprofits $100k–$1M, FY2025
Organizations like MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In California
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
50% of spending goes to programs.
Governance
Public support
100%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION?
- MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION (California) receives grants from 2 organizations whose IRS filings report $25,293 to it, the largest being THE DAVID WILLIAM UPHAM FOUNDATION ($25,000). 1 of them have funded it in more than one year.
- How many funders does MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION have?
- IRS filings report 2 organizations giving $25,293 in grants to MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION, 1 of which have funded it in more than one year.
- Who is the largest funder of MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION?
- THE DAVID WILLIAM UPHAM FOUNDATION is the largest funder on record, with $25,000 in grants. The full list of funders is on this page.
- How can an organization like MAMMOTH MOUNTAIN SKI PATROL ALUMNI ASSOCIATION find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in California. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds Mammoth Mountain Ski Patrol Alumni Association →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2022–2025), and the filings of 2 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing