Nebraska · Nonprofit
THE GROUNDWATER FOUNDATION
THE GROUNDWATER FOUNDATION (Nebraska) receives grants from 6 organizations whose IRS filings report $106,500 to it, the largest being JOHNNY CARSON FOUNDATION ($60,000). 4 of them have funded it in more than one year.
- Revenue FY2017
- $342k
- Funders on record
- 6
- Grants received
- $107k
- Net assets
- $42k
What The Groundwater Foundation does
Mission
To educate people and inspire action to ensure sustainable, clean groundwater for future generations.
As stated on its FY2017 Form 990.
Program
Hydrogeology: water for the world, a science event that challenges secondary school students to research and identify solutions to eliminate or mitigate groundwater degradation.
The first program described on its most recent Form 990, which lists programs largest first by expense.
Who funds it, year by year
2017 → 2022: the base narrowed from 3 funders to 1 funder, grant income fell $20k → $10k.
From the IRS filings of THE GROUNDWATER FOUNDATION’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
THE GROUNDWATER FOUNDATION leans on a few funders — its largest provides 56% of grant income and the top three 85%; 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: 2017 50% · 2018 43% · 2019 42% · 2020 80% · 2021 91% · 2022 100% — growing more concentrated.
“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
THE GROUNDWATER FOUNDATION draws 56% of its grant income from funders outside Nebraska, across 2 states in all.
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.
Government funding THE GROUNDWATER FOUNDATION receives
Grants and contracts to this organization from federal (USASpending) and state checkbooks, reconciled to its EIN. $91k on record.
- Environmental Protection Agency$91k
Federal grants vs contracts are distinguished; state line items keep their reported category. Matched by name + geography (the BMF), so coverage is partial and precision-first.
Organizations like THE GROUNDWATER FOUNDATION
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 Nebraska
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
53% of spending goes to programs.
Governance
Public support
95%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 3 states
Screen this organization
A dated, signed PDF of the compliance screen for THE GROUNDWATER FOUNDATION: 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 THE GROUNDWATER FOUNDATION?
- THE GROUNDWATER FOUNDATION (Nebraska) receives grants from 6 organizations whose IRS filings report $106,500 to it, the largest being JOHNNY CARSON FOUNDATION ($60,000). 4 of them have funded it in more than one year.
- How many funders does THE GROUNDWATER FOUNDATION have?
- IRS filings report 6 organizations giving $106,500 in grants to THE GROUNDWATER FOUNDATION, 4 of which have funded it in more than one year.
- Who is the largest funder of THE GROUNDWATER FOUNDATION?
- JOHNNY CARSON FOUNDATION is the largest funder on record, with $60,000 in grants. The full list of funders is on this page.
- How can an organization like THE GROUNDWATER FOUNDATION find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Nebraska. 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 Groundwater →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2017 (financials across 2017–2017), and the filings of 6 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