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WATER ENVIRONMENT FEDERATION

EIN 53-0225129 ALEXANDRIA, VA

Largest nonprofits in Virginia

Revenue 2024
$31,015,734
Expenses 2024
$28,586,705

Program services were 74.4% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.

As filed

Subsection
03
NTEE code
C022
Classification
8000
Street
601 WYTHE ST

These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).

Mission and programs · 2024

Mission

WEF's mission is inspiring the water community in pursuit of human and environmental well-being. WEF is a global environmental leader committed to water quality education and technical best practices. WEF connects water professionals; enriches the expertise of water professionals; increases the awareness of the impact and value of water; and provides a platform for water section innovation.

Activities or mission (Part I)

See Schedule O

  • 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. WEFTEC provides access to the latest technologies, services and products for those looking to design, build, maintain, or upgrade water management systems and programs.

    Expenses $7,017,258 · Grants $13,219 · Revenue $18,383,027

  • 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. WEF provides education to water professionals from over 70 countries at WEFTEC as well as at WEF's specialty conferences. WEF's educational content includes all areas of water resources management, including utility management and operations, collection systems, stormwater, water and wastewater treatment, and biosolids. WEF's commitment to the sustainable development goals focus on safe, sustainable access to clean water and sanitation, innovation and a circular economy. WEF provides in-depth education on biological hazards to wastewater operators through virtual workshops and public health communications platforms, and provided a free update to a manual of practice on safety and security of water resource recovery facilities.

    Expenses $5,685,108 · Grants $11,200 · Revenue $1,699,128

  • 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. These programs include coordinating all interviews and meetings with media/news outlets, writing and dissemination of all society news releases, training society leaders and members in public communications and effective media relations, providing communications counsel to the Federation's various member associations. WEF's water advocates program empowers WEF members to share knowledge and expertise to inform government decision-makers about the importance of water. Water advocates program helps grassroots communities all of the US speak with a united voice for water to reach out to and connect with elected officials on important water quality issues including aging infrastructure, affordability, and continued economic pressures which have put unprecedented stress on local governments and agencies that provide essential water services.

    Expenses $2,867,795 · Grants $100,869 · Revenue $73,442

  • Membership Services - Handles customer service operations, membership recruitment and retention, and engagement with customers, members, member associations and affiliated organizations.

    Expenses $2,393,945 · Grants $176,720 · Revenue $3,860,289

  • Publications and Subscriptions - WEF publishes technical and educational magazines, newsletters, books, technical reports, fact sheets, conference proceedings, and training materials. Water Environment & Technology (WE&T) is the publication professionals read to learn about the latest technologies, trends, and news in water quality. Members receive it monthly as a membership benefit. In addition, the publication is sold on a subscription basis to libraries and other water professionals. WEF publishes digital newsletters, WEFTEC Now and WEF Smartbrief. WEF also publishes Water Environment Research, a peer-reviewed research journal, in partnership with Wiley. WEF publishes an extensive range of peer-reviewed manuals of practice, textbooks, and supplemental texts for classroom use as well as a comprehensive operator training series titled Wastewater Treatment Fundamentals. This training series includes manuals, trainer's kits, companion online training, and study guides. WEF co-publishes Standard Methods for the Examination of Water and Wastewater with the American Public Health Association and the American Water Works Association. WEF's conference proceedings, magazine features, technical reports, fact sheets, books, and training materials are published on Access Water, WEF's online library.

    Expenses $2,651,607 · Revenue $503,120

  • Grants & Contracts - Includes funds used to provide subject matter expertise in the development and updating of multiple wastewater unified facility criteria and unified facility guide specs. CDC funds were received to set up a community of practice for correctional facility wastewater surveillance.

    Expenses $652,762 · Revenue $598,161

As filed on the 2024 return. The filer continues this part on Schedule O, which is not shown here.

Officers and directors · 2024

As listed in Part VII of the 2024 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.

  • Ifetayo Venner

    Past President (thru 10/24)

    Total calculated
    $0
    Hours/week
    6
  • Aimee Killeen Presthru 1024

    Past Pres (thru 10/25)

    Total calculated
    $0
    Hours/week
    6
  • Howard Carter Pres-Elect

    (thru 10/24), Pres (thru 10/25)

    Total calculated
    $0
    Hours/week
    6
  • Keith Hobson VPthru 1024

    Pres-Elect (thru 10/25)

    Total calculated
    $0
    Hours/week
    6
  • Paul Schuler

    Vice President (as of 10/24)

    Total calculated
    $0
    Hours/week
    6
  • Christine Volkay-Hilditch

    Treasurer

    Total calculated
    $0
    Hours/week
    6
  • Janet Cann

    Trustee (through 10/24)

    Total calculated
    $0
    Hours/week
    4
  • Tracy Ekola

    Trustee

    Total calculated
    $0
    Hours/week
    4
  • Walid Khoury

    Trustee (as of 10/24)

    Total calculated
    $0
    Hours/week
    4
  • Brian Persing

    Trustee (as of 10/24)

    Total calculated
    $0
    Hours/week
    4
  • Diego Rosso

    Trustee (thru 10/24)

    Total calculated
    $0
    Hours/week
    4
  • Stephen Sanders

    Trustee

    Total calculated
    $0
    Hours/week
    4
  • Kalpna Solanki

    Trustee

    Total calculated
    $0
    Hours/week
    4
  • Corey Williams

    Trustee

    Total calculated
    $0
    Hours/week
    4
  • Ralph Exton Starting 0724

    Secretary & WEF Executive Director

    Total calculated
    $220,542
    From this org
    $201,422
    From related orgs
    $0
    Other
    $19,120
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $176,372
    Bonus
    $25,000
    Other
    $50
    Deferred
    $10,015
    Nontaxable benefits
    $9,105
    Filer's total
    $220,542
  • Karen Powderly

    Chief Financal Officer

    Total calculated
    $232,428
    From this org
    $209,131
    From related orgs
    $0
    Other
    $23,297
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $199,081
    Bonus
    $10,000
    Other
    $50
    Deferred
    $14,655
    Nontaxable benefits
    $8,642
    Filer's total
    $232,428
  • Jonathan K Ikeda

    Chief Mission Officer

    Total calculated
    $238,571
    From this org
    $223,058
    From related orgs
    $0
    Other
    $15,513
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $213,008
    Bonus
    $10,000
    Other
    $50
    Deferred
    $15,457
    Nontaxable benefits
    $56
    Filer's total
    $238,571
  • Raymond Bianchi

    Managing Dir., Business Development

    Total calculated
    $213,152
    From this org
    $180,543
    From related orgs
    $0
    Other
    $32,609
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $179,993
    Bonus
    $500
    Other
    $50
    Deferred
    $10,536
    Nontaxable benefits
    $22,073
    Filer's total
    $213,152
  • Stephanie Jones

    Managing Dir., Event Strategy

    Total calculated
    $200,195
    From this org
    $179,170
    From related orgs
    $0
    Other
    $21,025
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $179,120
    Bonus
    $0
    Other
    $50
    Deferred
    $12,448
    Nontaxable benefits
    $8,577
    Filer's total
    $200,195
  • Kathleen Waugh Ending 0624

    Chief Operating Officer

    Total calculated
    $174,779
    From this org
    $158,762
    From related orgs
    $0
    Other
    $16,017
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $148,762
    Bonus
    $10,000
    Other
    $0
    Deferred
    $11,065
    Nontaxable benefits
    $4,952
    Filer's total
    $174,779
  • Catherine LThomson

    Sr. Director, Information Technology

    Total calculated
    $234,024
    From this org
    $225,079
    From related orgs
    $0
    Other
    $8,945
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $124,100
    Bonus
    $0
    Other
    $100,979
    Deferred
    $8,595
    Nontaxable benefits
    $350
    Filer's total
    $234,024
  • Lorna EJ Ernst

    Managing Dir., Publishing

    Total calculated
    $233,180
    From this org
    $213,654
    From related orgs
    $0
    Other
    $19,526
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $105,905
    Bonus
    $0
    Other
    $107,749
    Deferred
    $7,728
    Nontaxable benefits
    $11,798
    Filer's total
    $233,180
  • Renee M Kayal

    Managing Dir., Governance

    Total calculated
    $218,071
    From this org
    $209,888
    From related orgs
    $0
    Other
    $8,183
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $111,079
    Bonus
    $0
    Other
    $98,809
    Deferred
    $7,835
    Nontaxable benefits
    $348
    Filer's total
    $218,071
  • Cari F McBride

    Account Manager

    Total calculated
    $231,952
    From this org
    $201,697
    From related orgs
    $0
    Other
    $30,255
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $41,340
    Bonus
    $160,307
    Other
    $50
    Deferred
    $14,370
    Nontaxable benefits
    $15,885
    Filer's total
    $231,952
  • Nancy Cornwell

    Dir., Facilities Management

    Total calculated
    $218,790
    From this org
    $201,087
    From related orgs
    $0
    Other
    $17,703
    Hours/week
    37.5

    Schedule J breakdown matched by us

    Base
    $96,463
    Bonus
    $0
    Other
    $104,624
    Deferred
    $5,471
    Nontaxable benefits
    $12,232
    Filer's total
    $218,790

The first 25 listed. Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. A Schedule J breakdown is as filed: base pay, bonus, other, deferred compensation and nontaxable benefits from this organization, with any from related organizations beside each, and the filer's own total. It is shown with the Part VII listing of the same name on the same return. The form gives no key between the two, so that pairing is ours, and is marked matched by us. Earlier years are each on their own filing page.

Filings

  • 2024
    Revenue
    $31,015,734
    Expenses
    $28,586,705
    Contributions
    $2,638,636
    Grants paid
    $302,008
  • 2023
    Revenue
    $31,872,253
    Expenses
    $32,815,938
    Contributions
    $4,678,754
    Grants paid
    $370,767
  • 2022
    Revenue
    $26,779,126
    Expenses
    $27,924,125
    Contributions
    $2,527,512
    Grants paid
    $437,403

The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.

Other returns filed

  • 2024 · 990-T

    Revenue
    not reported
    Expenses
    not reported
    Assets (EOY)
    not reported
  • 2023 · 990-T

    Revenue
    not reported
    Expenses
    not reported
    Assets (EOY)
    not reported
  • 2022 · 990-T

    Revenue
    not reported
    Expenses
    not reported
    Assets (EOY)
    not reported
  • 2021 · 990

    Revenue
    $23,632,520
    Expenses
    $26,240,078
    Assets (EOY)
    $39,764,439
  • 2021 · 990-T

    Revenue
    not reported
    Expenses
    not reported
    Assets (EOY)
    not reported
  • 2020 · 990

    Revenue
    $24,449,693
    Expenses
    $18,529,821
    Assets (EOY)
    $45,041,940
  • 2020 · 990-T

    Revenue
    not reported
    Expenses
    not reported
    Assets (EOY)
    not reported
  • 2019 · 990

    Revenue
    $26,675,441
    Expenses
    $25,677,545
    Assets (EOY)
    $30,738,590
  • 2018 · 990

    Revenue
    $27,540,835
    Expenses
    $25,782,774
    Assets (EOY)
    $35,793,348
  • 2017 · 990

    Revenue
    $28,156,074
    Expenses
    $26,301,524
    Assets (EOY)
    $34,356,453

Nonprofiteer parses Forms 990, 990-EZ and 990-PF, in a window of recent tax years. These returns are recorded from the IRS e-file index, so their figures were extracted by that index rather than read from the return here — treat them as a different source from the filings above, not as more of the same record. A dash means the index carries no figure; Form 990-T listings carry none at all. Showing the 10 most recent; the API carries the rest.

Grants made

The 10 largest by cash amount. The API serves every itemized grant.

Where these grants went next →

Grants received

Related organizations

From Schedule R Part II, where a filer lists the tax-exempt organizations it is related to by control. It does not record shared board members or money.

Declared as related by

Other IRS files

Auto-Revocation List

Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.

Publication 78

Listed as of 13 October 2026, under deductibility PC.

These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.

What this page reflects

The registration facts above come from the IRS Business Master File published 13 October 2026 and read 1 November 2026, for every organization at once. Returns through tax year 2024, the newest we have parsed for this organization.