Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Mar 1962.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
74 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
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Who runs it and what they're paid
25 people listed on the 990; $2.2M paid to officers and key staff.
Catherine Lthomson’s $225K as SR. Director, Information Technology is at the 39th percentile of top reported officer pay among 324 $10–100M environment nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.
Compensation history total reportable pay by year · 8 named individuals · Part VII
| Name | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 |
|---|---|---|---|---|---|---|
| Walter Marlowe | — | $266,223 | $354,268 | $358,748 | $339,956 | $125,276 |
| Kathleen C Waugh | — | $251,017 | — | — | — | — |
| Eileen O'Neill | — | — | — | — | — | $250,037 |
| Kathleen Waugh | — | — | $248,525 | $216,549 | — | — |
| Timothy Williams | — | — | — | — | $240,163 | $211,225 |
| Penny Young | — | — | — | $192,426 | $198,390 | $238,698 |
| Catherine Lthomson | $225,079 | — | — | — | — | — |
| Jonathan K Ikeda | $223,058 | — | — | — | — | — |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
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Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aYes
Programs and updates
Educates the public and policymakers on critical water resource issues and their vital role in daily life.
Questions for Water Environment Federation
Your first name shows with your question. Water Environment Federation answers here, for everyone.
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WEFTEC is the most comprehensive gathering of water quality professionals and thought leaders, featuring the sector's leading technical education program; an extensive exhibition showcasing the field's most cutting-edge solutions; and a variety of valuable networking opportunities.
Technical Programs, Seminars, and Workshops
As the leading source of water quality expertise, WEF is committed to advancing the professional workforce development of the water sector through educational seminars and workshops that focus on environmental, sustainability, and public health topics.
Public Outreach & Advocacy
WEF's public outreach and advocacy programs encompass a broad range of activities intended to better inform the public and policy leaders of critical issues and the vital role water resources play in the everyday lives of citizens.
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2025 990, line by line.
Download 990
| Line | Start FY25 | End FY25 |
|---|---|---|
| Cash and savingsLn 1–2 | $14.7M | $18.3M |
| InvestmentsLn 11–13 | $23.7M | $26.4M |
| Land, buildings, equipmentLn 10c | $3.6M | $3.1M |
| Total assetsLn 16 | $46.4M | $52.3M |
| LiabilitiesLn 26 | $23.9M | $25.4M |
| Net assetsLn 32 | $22.5M | $26.9M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic organizationsLn 1 | $146K | $146K | ||
| Grants to domestic individualsLn 2 | $114K | $114K | ||
| Grants and assistance to foreign recipientsLn 3 | $42K | $42K | ||
| Pay of current officers, directors and key staffLn 5 | $740K | $538K | $201K | |
| Other salaries and wagesLn 7 | $9.1M | $6.6M | $2.5M | |
| Pension plan contributionsLn 8 | $566K | $412K | $154K | |
| Other employee benefitsLn 9 | $1.1M | $773K | $289K | |
| Payroll taxesLn 10 | $735K | $535K | $200K | |
| Legal feesLn 11b | $133K | $133K | ||
| Accounting feesLn 11c | $50K | $50K | ||
| Investment management feesLn 11f | $56K | $56K | ||
| Other fees for servicesLn 11g | $2.7M | $2.1M | $621K | |
| Advertising and promotionLn 12 | $22K | $21K | $790 | |
| Office expensesLn 13 | $1.3M | $795K | $479K | |
| Information technologyLn 14 | $1.7M | $1.3M | $432K | |
| OccupancyLn 16 | $325K | $272K | $53K | |
| TravelLn 17 | $976K | $654K | $323K | |
| Conferences, conventions and meetingsLn 19 | $5.3M | $4.9M | $387K | |
| Depreciation, depletion and amortizationLn 22 | $782K | $592K | $190K | |
| InsuranceLn 23 | $584K | $498K | $85K | |
| Other expenses (24a–d)Ln 24 | $1.9M | $700K | $1.2M | |
| All other expensesLn 24e | $220K | $205K | $15K | |
| Total functional expensesLn 25 | $28.6M | $21.3M | $7.3M | $0 |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest Viewing | $31.0M | $28.6M | $2.4M | $26.9M | 990 PDF |
| FY2024 | $31.9M | $32.8M | −$944K | $22.5M | 990 PDF |
| FY2023 | $26.8M | $27.9M | −$1.1M | $21.0M | 990 PDF |
| FY2022 | $23.6M | $26.2M | −$2.6M | $21.4M | 990 PDF |
| FY2021 | $24.4M | $18.5M | $5.9M | $27.1M | 990 PDF |
| FY2020 | $26.7M | $25.7M | $998K | $18.1M | 990 PDF |
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Schedules filed Part IV
See the full FY2025 990 (6 parts)
Part I · Summary $31,015,734 revenue, 12 lines filed
Part VI · Governance 11 of 11 board members independent, no flags
Part VIII · Statement of revenue $31,015,734 across 9 lines filed
Part IX · Statement of functional expenses $28,586,705 across 22 lines filed
Part X · Balance sheet $52,285,827 assets, 19 lines filed
Part XI · Reconciliation of net assets $26,862,081 net assets at year end
Form 990 e-file (XML) FY2025 from the IRS · Classification, formation year and address from the IRS Business Master File
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