Iowa · Nonprofit
Driftless Water Defenders
Driftless Water Defenders (Iowa) receives grants from 2 organizations whose IRS filings report $6,610 to it, the largest being ALLIANT ENERGY FOUNDATION INC ($3,500). 0 of them have funded it in more than one year.
- Revenue FY2025
- $86k
- Funders on record
- 2
- Grants received
- $7k
- Net assets
- $80k
What Driftless Water Defenders does
Mission
Advocate educate and litigate for clean water in Iowa.
As stated on its FY2025 Form 990-EZ.
Programs
The organization conducted educational programming focused on water quality and environmental stewardship including Clean Water School activities and related public education events. These programs provided community members it information about water safety environmental impacts and sustainability.
$2,280 spent52% of program spendingThe organization supported water testing and environmental monitoring activities including the purchase and use of water testing supplies and related materials used to assess water quality concerns in local communities.
$833 spent19% of program spendingThe organization conducted outreach and advocacy efforts to raise public awareness of water protection issues. Activities included community events public engagement and distribution of informational materials supporting the organizations mission
$1,241 spent29% of program spending
The 3 programs described on its FY2025 Form 990-EZ. Program spending in total: $4,354.
Who funds it, year by year
Grant support over time, funder by funder — shade shows the grant size each year.
From the IRS filings of Driftless Water Defenders’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
Driftless Water Defenders leans on a few funders — its largest provides 53% 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
“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
Driftless Water Defenders draws 53% of its grant income from funders outside Iowa, across 2 states in all.
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
Driftless Water Defenders runs a healthier operating margin than three-quarters of the 2,195 environment nonprofits its size.
this organization peer median middle 50% of peers· 2,195 environment nonprofits under $100k, FY2025
Organizations like Driftless Water Defenders
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 Iowa
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Screen this organization
A dated, signed PDF of the compliance screen for Driftless Water Defenders: 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 Driftless Water Defenders?
- Driftless Water Defenders (Iowa) receives grants from 2 organizations whose IRS filings report $6,610 to it, the largest being ALLIANT ENERGY FOUNDATION INC ($3,500). 0 of them have funded it in more than one year.
- How many funders does Driftless Water Defenders have?
- IRS filings report 2 organizations giving $6,610 in grants to Driftless Water Defenders.
- Who is the largest funder of Driftless Water Defenders?
- ALLIANT ENERGY FOUNDATION INC is the largest funder on record, with $3,500 in grants. The full list of funders is on this page.
- How can an organization like Driftless Water Defenders find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Iowa. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2025–2025), 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