Nonprofit · EIN 94-6108932
ASSOCIATION OF ENGINEERING GEOLOGISTS
Tax-exempt · BRITTON, SD 57430
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $603,716 | $754,611 | -$150,895 | $1,001,620 | $138,189 | $863,431 |
| December 31, 2024 | 990 | $512,411 | $599,695 | -$87,284 | $1,120,235 | $141,176 | $979,059 |
| December 31, 2023 | 990 | $643,436 | $729,613 | -$86,177 | $991,850 | $249,268 | $742,582 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $197,157
- Membership dues
- $190,407
- Program service revenue
- $323,784
- Investment income
- $15,879
- Net income from sales of inventory
- $1,275
- Other revenue
- $66,896
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- -$20
- Accounting fees
- $5,695
- Travel
- $38,280
- Program services (functional)
- $700,228
- Management and general (functional)
- $54,383
Balance sheet and other
- Total assets, start of year
- $1,120,235
- Total assets, end of year
- $1,001,620
- Total liabilities, end of year
- $138,189
- Net assets, end of year
- $863,431
- Publicly traded securities
- $393,568
- Net assets without donor restrictions
- $863,431
- Gross receipts
- $603,716
- Employees
- 0
- Volunteers
- 0
- Year formed
- 1960
- State of legal domicile
- SD
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PAUL WEAVER | PRESIDENT Trustee or director, Officer | 4 | $0 |
| MARK SWANK | VICE-PRESIDENT Trustee or director, Officer | 4 | $0 |
| JULIA FRAZIER | TREASURER Trustee or director, Officer | 4 | $0 |
| PACO GOMEZ | SECRETARY Trustee or director, Officer | 4 | $0 |
| EMMA O'HARA | DIRECTOR Trustee or director | 2 | $0 |
| HOLLY NICHOLS | DIRECTOR Trustee or director | 2 | $0 |
| GARETH MILLS | DIRECTOR Trustee or director | 2 | $0 |
| CHIP BARNETT | DIRECTOR Trustee or director | 2 | $0 |
| JOHN LOUIE | DIRECTOR Trustee or director | 2 | $0 |
| DENISE GARCIA | DIRECTOR Trustee or director | 2 | $0 |
| PAT FROST | DIRECTOR Trustee or director | 2 | $0 |
| CALEB KUHN | DIRECTOR Trustee or director | 2 | $0 |
| HAWKINS GAGNON | DIRECTOR Trustee or director | 2 | $0 |
| BILL MIKALIK | DIRECTOR Trustee or director | 2 | $0 |
| FRAN SCHULTZ | DIRECTOR Trustee or director | 2 | $0 |
2 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARTHA WHITNEY | DIRECTOR Trustee or director | 2 | $0 |
| RENEE WAWCZAK | PAST PRESIDENT Trustee or director | 2 | $0 |
990 for the year ended December 31, 2024: 16 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SARAH KALIKA | PRESIDENT Trustee or director, Officer | 4 | $0 |
| RENEE WAWCZAK | VICE-PRESIDENT Trustee or director, Officer | 4 | $0 |
| PAUL WEAVER | TREASURER Trustee or director, Officer | 4 | $0 |
| MARK SWANK | SECRETARY Trustee or director, Officer | 4 | $0 |
| JULIA FRAZER | DIRECTOR Trustee or director | 2 | $0 |
| JUSTIN LINDEMAN | DIRECTOR Trustee or director | 2 | $0 |
| DARRIN HASHAM | DIRECTOR Trustee or director | 2 | $0 |
| ELSON BARNETT | DIRECTOR Trustee or director | 2 | $0 |
| JESSE RUZICKA | DIRECTOR Trustee or director | 2 | $0 |
| PATRICIA FROST | DIRECTOR Trustee or director | 2 | $0 |
| DENISE GARCIA | DIRECTOR Trustee or director | 2 | $0 |
| FRANCISCO GOMEZ | DIRECTOR Trustee or director | 2 | $0 |
| JOHN GAGNON | DIRECTOR Trustee or director | 2 | $0 |
| WILLIAM MIKALIK | DIRECTOR Trustee or director | 2 | $0 |
| FRANCES SCHULTZ | DIRECTOR Trustee or director | 2 | $0 |
| MARTHA WHITNEY | DIRECTOR Trustee or director | 2 | $0 |
990 for the year ended December 31, 2023: 16 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Francisco Gomez | Director Trustee or director | 2 | $0 |
| James Branch | Director Trustee or director | 2 | $0 |
| Denise Garcia | Director Trustee or director | 2 | $0 |
| Adrian Rogers | Director Trustee or director | 2 | $0 |
| Martha Whitney | Director Trustee or director | 2 | $0 |
| Curtis Schmidt | Director Trustee or director | 2 | $0 |
| William Mikalik | Director Trustee or director | 2 | $0 |
| Darrin Hasham | Director Trustee or director | 2 | $0 |
| Chris Hundemer | Director Trustee or director | 2 | $0 |
| Jesse Ruzicka | Director Trustee or director | 2 | $0 |
| Mark Swank | Director Trustee or director | 2 | $0 |
| Renee Wawczak | Treasurer Trustee or director, Officer | 4 | $0 |
| Paul Weaver | Secretary Trustee or director, Officer | 4 | $0 |
| Sarah Kalika | Vice President Trustee or director, Officer | 4 | $0 |
| Nate Saraceno | President Trustee or director, Officer | 4 | $0 |
| Maddie German | Past President Former | 4 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 939, BRITTON, SD 57430-0939
- Principal officer (990 for 2025)
- PAUL WEAVER, 5005 BIRNAMWOOD TRL, GREENSBORO, NC 27407
- Signed the 990
- MARK SWANK, TREASURER
- Phone
- (800) 559-9775
- Return prepared by
- RSC Accounting Services Inc
Mission
PUBLIC WELFARE BY PROVIDING LEADERSHIP, ADVOCACY, AND APPLIED RESEARCH IN ENVIRONMENTAL AND ENGINEERING GEOLOGY
Program accomplishments
- THROUGH ITS TECHNICAL AND PROFESSIONAL ACTIVITIES, THE ASSOCIATION STRIVES TO PROMOTE THE VALUE AND IMPORTANCE OF GEOLOGIC PRACTICE IN DETECTING, CONTAINING, AND REMIATING CONTAMINATED SOIL AND GROUND WATER; RECOGNIZING AND MITIGATING HAZARDOUS GEOLOGIC PROCESSES TO PROMOTE PUBLIC SAFETY AND WELFARE; AND SITING, PLANNING, DESIGNING, CONSTRUCTING AND MAINTAINING ENGINEERING WORKS.
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 94-6108932
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1965
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U36Z)
- Assets (IRS master file)
- $1,001,620
- Income (IRS master file)
- $603,716
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $603,716 | $754,611 | $1,001,620 | IRS |
| 990 | December 2024 | $512,411 | $599,695 | $1,120,235 | IRS |
| 990 | December 2023 | $643,436 | $729,613 | $991,850 | XML |
| 990 | December 2022 | $559,760 | $539,818 | $1,132,199 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 94-6108932).
Questions about ASSOCIATION OF ENGINEERING GEOLOGISTS
- What is the EIN of ASSOCIATION OF ENGINEERING GEOLOGISTS?
- The employer identification number (EIN) of ASSOCIATION OF ENGINEERING GEOLOGISTS is 94-6108932.
- Is ASSOCIATION OF ENGINEERING GEOLOGISTS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1965.
- Are donations to ASSOCIATION OF ENGINEERING GEOLOGISTS tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does ASSOCIATION OF ENGINEERING GEOLOGISTS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of ASSOCIATION OF ENGINEERING GEOLOGISTS due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did ASSOCIATION OF ENGINEERING GEOLOGISTS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of ASSOCIATION OF ENGINEERING GEOLOGISTS?
- The 990 for the year ended December 31, 2025 names PAUL WEAVER.
- Who are the officers and directors of ASSOCIATION OF ENGINEERING GEOLOGISTS?
- The 990 for the year ended December 31, 2025 lists 17 people; 0 received compensation from the organization.
- How much revenue does ASSOCIATION OF ENGINEERING GEOLOGISTS have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $603,716, expenses of $754,611 and total assets of $1,001,620 at year end.
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