Kohler Trust for Clean Water
To provide support and assistance to a class of public charities that have as their charitable purposes improving water quality, sanitation or sustainability of water supply.
Kohler Trust for Clean Water at a glance
In short: Kohler Trust for Clean Water gave $5.5M across 4 grants in 2025 (avg $1.4M), mostly in Wisconsin. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $5,490,000
- +40.4% vs 2024
- Grants made (2025)
- 4
- +33.3% vs 2024
- Average grant
- $1,372,500
- +5.3% vs 2024
- Median grant
- $1,095,000
- Total assets
- $285,809,231
- +0.7% vs 2024
- Primary geography
- Wisconsin (67% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Kohler Trust for Clean Water funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
The largest 2025 recipient was UWM School of Freshwater Sciences ($2.5M). Together the top 4 received $5.5M.
Grant Size Distribution
15 grants across all recorded years
The most common grant size was in the $1–5M range: 6 grants of 15 (40%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
Cities
How Kohler Trust for Clean Water gives
- Giving grew 2715% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $156K (2021) to $5.5M (2025). In 2025 it made 4 grants totaling $5.5M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| UWM School of Freshwater Sciences Milwaukee, WI | Improving Water Quality, Sanitation or Sustainability | $2,500,000 |
| The Nature Conservancy Madison, WI | Improving Water Quality, Sanitation or Sustainability | $1,190,000 |
| Global Water Challenge Arlington, VA | Improving Water Quality, Sanitation or Sustainability | $1,000,000 |
| Water Mission North Charleston, SC | Improving Water Quality, Sanitation or Sustainability | $800,000 |
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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 | $285,809,231 | $7,599,443 | $5,576,993 | $5,490,000 | 4 | $7,599,443 |
| 2024 | $283,747,473 | $287,565,441 | $3,956,411 | $3,909,000 | 3 | $5,307,941 |
| 2023 | $16,221,849 | $223,666 | $196,020 | $191,100 | 3 | $223,666 |
| 2022 | $22,024,064 | $233,071 | $197,949 | $195,000 | 3 | $233,071 |
| 2021 | $15,752,712 | $187,747 | $159,995 | $156,000 | 2 | $187,747 |
About Kohler Trust for Clean Water
Based on IRS filings
Kohler Trust for Clean Water is a public charity focused on Environment & Animals, based in Kohler, WI. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $285.8M in total assets. In 2025, it awarded 4 grants totaling $5.5M. Net investment income was $7.6M.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Kohler Trust for Clean Water's 2025 filing lists 7 officers; none of the 7 officers listed in 2025 report compensation.
Officers on the 2025 filing
George Greene IV
Trustee
On filings since 2021
1 hr/week
No compensation reported
Laura E. Kohler
Trustee
On filings since 2021
1 hr/week
No compensation reported
David Kohler
Trustee
On filings since 2023
1 hr/week
No compensation reported
Michael Reuter
Trustee
On filings since 2023
1 hr/week
No compensation reported
Rebecca Klaper
Trustee
On filings since 2024
1 hr/week
No compensation reported
Monica Ellis
Trustee
New on the 2025 filing
1 hr/week
No compensation reported
Jeffrey P. Cheney
Treasurer
On filings since 2024
1 hr/week
No compensation reported
Former officers (3)
- Former: Eric Leaf (2021–2024) — Trustee
- Former: Davor Grgic (2021–2022) — Trustee
- Former: Herbert V. Kohler Jr. (2021–2022) — Trustee
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 Kohler Trust for Clean Water
How much does Kohler Trust for Clean Water give each year?
Kohler Trust for Clean Water gave $5.5M across 4 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $3.9M across 3 grants.
What is Kohler Trust for Clean Water's typical grant size?
Kohler Trust for Clean Water's median grant in 2025 was $1,095,000, and its average grant was $1,372,500, across 4 grants on its 2025 IRS Form 990.
Where does Kohler Trust for Clean Water give grants?
Kohler Trust for Clean Water gives mostly in Wisconsin: 67% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The next largest states were Virginia (18%) and South Carolina (15%).
Does Kohler Trust for Clean Water give general operating support?
Not in 2025: none of the 4 grants with a stated purpose on Kohler Trust for Clean Water's 2025 IRS Form 990 were described as general or operating support. Recurring purposes include "Improving Water Quality, Sanitation or Sustainability" (4 grants).
How large is Kohler Trust for Clean Water?
Kohler Trust for Clean Water reported $285.8M in total assets on its 2025 IRS Form 990. Its revenue that year was $7.6M.
What is Kohler Trust for Clean Water?
Kohler Trust for Clean Water is a public charity focused on Environment & Animals, based in Kohler, WI. It holds $285.8M in total assets as of 2025.
What is Kohler Trust for Clean Water's EIN?
Kohler Trust for Clean Water's EIN (Employer Identification Number) is 32-6513655. 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
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS December 2, 2021)
- Updated Form 990 for fiscal year 2022 (received by the IRS October 20, 2022)
- Updated Form 990 for fiscal year 2023 (received by the IRS October 9, 2023)
- Updated Form 990 for fiscal year 2024 (received by the IRS December 10, 2024)
- Updated Form 990 for fiscal year 2025 (received by the IRS December 10, 2025)
- IRS filings on file for fiscal years 2021–2025
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