Nonprofit · EIN 84-1075414
ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY
Tax-exempt · DENVER, CO 80204
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $370,761 | $371,321 | -$560 | $31,914 | $136,575 | -$104,661 |
| December 31, 2024 | 990 | $318,422 | $393,550 | -$75,128 | $65,532 | $169,632 | -$104,100 |
| December 31, 2023 | 990 | $392,677 | $395,270 | -$2,593 | $65,236 | $93,511 | -$28,275 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $109,537
- Membership dues
- $103,287
- Program service revenue
- $228,891
- Investment income
- $63
- Royalties
- $32,270
- Other revenue
- $32,270
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Occupancy
- $600
- Program services (functional)
- $257,944
- Management and general (functional)
- $113,377
Balance sheet and other
- Total assets, start of year
- $65,531
- Total assets, end of year
- $31,914
- Total liabilities, end of year
- $136,575
- Net assets, end of year
- -$104,661
- Net assets without donor restrictions
- -$104,661
- Gross receipts
- $370,761
- Employees
- 0
- Volunteers
- 20
- Year formed
- 1997
- State of legal domicile
- CO
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 |
|---|---|---|---|
| Iftekhar Alam | Member At Large Trustee or director | 0.5 | $0 |
| Wendy Church | Member At Large Trustee or director | 0.5 | $0 |
| Koichi Hayashi | Member At Large Trustee or director | 0.5 | $0 |
| Jorden Hayes | Member At Large Trustee or director | 0.5 | $0 |
| Scott Ikard | Member At Large Trustee or director | 0.5 | $0 |
| Miriam Johnston | Member At Large Trustee or director | 0.5 | $0 |
| Richard Krahenbuhl | Member at Large Trustee or director | 0.5 | $0 |
| Jennifer Weller | Member at Large Trustee or director | 0.5 | $0 |
| Fred Day-Lewis | VP SAGEEP Trustee or director | 1 | $0 |
| Jeff Gamey | VP Elect SAGEEP Trustee or director | 1 | $0 |
| Sarah Morton Rupert | VP SAGEEP Elect Elect Trustee or director | 0.5 | $0 |
| Amber Onufer | VP Elect Committees Trustee or director | 0.5 | $0 |
| Micki Allen | International Board Liaison Trustee or director | 0.5 | $0 |
| Jackie Jacoby | Executive Director Trustee or director | 20 | $0 |
| Jayma File | Managing Director Trustee or director | 20 | $0 |
4 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Kathie A Barstnar | Director Emeritus / CFO Trustee or director | 10 | $0 |
| Dale Rucker | President Officer | 1 | $0 |
| Jacob Sheehan | President Elect Officer | 1 | $0 |
| Janet Simms | Immediate Past President Officer | 1 | $0 |
990 for the year ended December 31, 2024: 20 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Wendy Church | Member At Large Trustee or director | 0.5 | $0 |
| Doug Crice | Member At Large Trustee or director | 0.5 | $0 |
| Koichi Hayashi | Member At Large Trustee or director | 0.5 | $0 |
| Jorden Hayes | Member At Large Trustee or director | 0.5 | $0 |
| Richard Krahenbuhl | Member at Large Trustee or director | 0.5 | $0 |
| Sarah Morton Rupert | Member At Large Trustee or director | 0.5 | $0 |
| Paul Schwering | Member At Large Trustee or director | 0.5 | $0 |
| Jennifer Weller | Member at Large Trustee or director | 0.5 | $0 |
| John M Jackson | SAGEEP 2025 Chair Trustee or director | 0.5 | $0 |
| Dimitrios Ntalagiannis | SAGEEP Steering Committee Chair Trustee or director | 0.5 | $0 |
| Micki Allen | International Board Liaison Trustee or director | 0.5 | $0 |
| Jackie Jacoby | Executive Director Trustee or director | 20 | $0 |
| Jayma File | Managing Director Trustee or director | 10 | $0 |
| Kathie A Barstnar | Director Emeritus / CFO Trustee or director | 5 | $0 |
| Janet Simms | President Officer | 1 | $0 |
| Dale Rucker | President Elect Officer | 1 | $0 |
| Michael Kalinski | Immediate Past President Officer | 0.5 | $0 |
| Tiffany Clark | VP Elect - Committees / Membership Committee Chair Officer | 0.5 | $0 |
| Jeff Leberfinger | Vice President - SAGEEP Officer | 0.5 | $0 |
| Fred Day-Lewis | Vice President Elect - SAGEEP Officer | 0.5 | $0 |
990 for the year ended December 31, 2023: 18 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Jeff Leberfinger | Vice President Elect - SAGEEP Trustee or director | 0.5 | $0 |
| Fred Day-Lewis | Vice President Elect Elect - SAGEEP Trustee or director | 0.5 | $0 |
| Micki Allen | International Board Liaison Trustee or director | 5 | $0 |
| Wendy Church | Member At Large Trustee or director | 0.5 | $0 |
| Doug Crice | Member At Large Trustee or director | 0.5 | $0 |
| Koichi Hayashi | Member At Large Trustee or director | 0.5 | $0 |
| Jorden Hayes | Member At Large Trustee or director | 0.5 | $0 |
| Alastair McClymont | Member At Large Trustee or director | 0.5 | $0 |
| Sarah Morton Rupert | Member At Large Trustee or director | 0.5 | $0 |
| Paul Schwering | Member At Large Trustee or director | 0.5 | $0 |
| Jackie Jacoby | Managing Director Trustee or director | 20 | $0 |
| Kathie A Barstnar | Executive Director Trustee or director | 10 | $0 |
| Michael Kalinski | President Officer | 1 | $0 |
| Janet Simms | President Elect Officer | 1 | $0 |
| John M Jackson | Past President Officer | 1 | $0 |
| Dale Rucker | Vice President - Committees Officer | 0.5 | $0 |
| Tiffany Clark | Vice President Elect - Committees Officer | 0.5 | $0 |
| Dimitrios Ntalagiannis | Vice President - SAGEEP Officer | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 1391 SPEER BLVD STE 450, DENVER, CO 80204-2561
- Principal officer (990 for 2025)
- Kathie Barstnar, 1391 Speer Boulevard Ste 450, Denver, CO 80204
- Signed the 990
- Kathie Barstnar, Executive Director
- Phone
- (303) 531-7517
- Website
- www.eegs.org
Mission
The gathering and dissemination of information regarding near-surface geophysics, including unexploded ordinance and ground water issues.
Program accomplishments
- Journals to promote the exchange of geophysical informationExpenses $25,429 · revenue $3,200
- Annual meeting (SAGEEP) held for informing attendees about the practice and application of geophysical techniques. The event returned to normal during 2022.Expenses $224,917 · revenue $221,748
- Publication of online newsletterExpenses $7,598 · revenue $3,943
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
- 84-1075414
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1989
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C030)
- Assets (IRS master file)
- $31,914
- Income (IRS master file)
- $370,761
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $370,761 | $371,321 | $31,914 | IRS |
| 990 | December 2024 | $318,422 | $393,550 | $65,532 | IRS |
| 990 | December 2023 | $392,677 | $395,270 | $65,236 | XML |
| 990 | December 2022 | $312,049 | $271,205 | $97,800 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | 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 84-1075414).
Questions about ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY
- What is the EIN of ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY?
- The employer identification number (EIN) of ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY is 84-1075414.
- Is ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
- Are donations to ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY 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 ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY 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 ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY 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 ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY?
- The 990 for the year ended December 31, 2025 names Kathie Barstnar.
- Who are the officers and directors of ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY?
- The 990 for the year ended December 31, 2025 lists 19 people; 0 received compensation from the organization.
- How much revenue does ENVIRONMENTAL AND ENGINEERING GEOPHYSICAL SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $370,761, expenses of $371,321 and total assets of $31,914 at year end.
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