Nonprofit · EIN 41-1489784
AMERICAN INSTITUTE OF HYDROLOGY
Tax-exempt · FREDERICKSBRG, VA 22404
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $73,777 | $113,411 | -$39,634 | $99,213 | $1,042 | $98,171 |
| December 31, 2024 | 990-EZ | $73,829 | $86,166 | -$12,337 | $138,852 | $1,047 | $137,805 |
| December 31, 2023 | 990-EZ | $86,468 | $62,568 | $23,900 | $150,142 | – | $150,142 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $3,109
- Membership dues
- $56,505
- Program service revenue
- $10,045
- Investment income
- $18
- Other revenue
- $4,100
Expenses
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $71,452
- Professional fees and payments to contractors
- $6,934
- Printing, publications and postage
- $95
- Other expenses
- $34,930
Balance sheet and other
- Total assets, start of year
- $138,852
- Total assets, end of year
- $99,213
- Total liabilities, end of year
- $1,042
- Net assets, end of year
- $98,171
- Cash, savings and investments
- $99,213
- Gross receipts
- $73,777
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SALAM MURTADA | PRESIDENT | 2 | $0 |
| RYAN TROY | SECRETARY | 2 | $0 |
| JULE RIZZARDO | PAST-PRESIDE | 1 | $0 |
| NICK TEXTOR | CHAIRMAN | 1 | $0 |
| GEORGE MCMAHON | DIRECTOR | 1 | $0 |
| LUCIANA CUNHA | PRESIDENT EL | 1 | $0 |
| DR JAMES CONNORS | TREASURER | 1 | $0 |
| JOHN J RAMIREZ-AVILA | DIRECTOR | 1 | $0 |
| JOHN R GRAY | DIRECTOR | 1 | $0 |
| JONATHAN QUEBBEMAN | DIRECTOR | 1 | $0 |
990-EZ for the year ended December 31, 2024: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SALAM MURTADA | PRESIDENT | 2 | $0 |
| JOLYNE LEA | SECRETARY | 2 | $0 |
| JULE RIZZARDO | PAST-PRESIDE | 1 | $0 |
| NICK TEXTOR | CHAIRMAN | 1 | $0 |
| GEORGE MCMAHON | DIRECTOR | 1 | $0 |
| LUCIANA CUNHA | PRESIDENT EL | 1 | $0 |
| DR JAMES CONNORS | TREASURER | 1 | $0 |
| JOHN J RAMIREZ-AVILA | DIRECTOR | 1 | $0 |
| JOHN R GRAY | DIRECTOR | 1 | $0 |
| JONATHAN QUEBBEMAN | DIRECTOR | 1 | $0 |
990-EZ for the year ended December 31, 2023: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SALAM MURTADA | VICE PRESIDE | 2 | $0 |
| JOLYNE LEA | SECRETARY | 2 | $0 |
| JULE RIZZARDO | PRESIDENT | 1 | $0 |
| JAMIL IBRAHIM | PAST PRESIDE | 1 | $0 |
| ZHONG ZHANG | DIRECTOR | 1 | $0 |
| BRENNON SCHAEFER | DIRECTOR | 1 | $0 |
| NICK TEXTOR | CHAIRMAN | 1 | $0 |
| YIGE GAO | DIRECTOR | 1 | $0 |
| CHANCE FULK | TREASURER | 1 | $0 |
| GEORGE MCMAHON | DIRECTOR | 1 | $0 |
| LUCIANA CUNHA | DIRECTOR | 1 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 7655, FREDERICKSBRG, VA 22404-7655
- Signed the 990-EZ
- DR JAMES CONNORS, TREASURER
- Phone
- (916) 231-2149
- Return prepared by
- LETHERT SKWIRA SCHULTZ & CO LLP
Mission
TO ENHANCE AND STRENGTHEN HYDROLOGY BY ESTABLISHING STANDARDS/PROCEDURES OF CERTIFICATION MAINTAINING ETHICAL STANDARDS, PROVIDING EDUCATION AND TRAINING, AND ADVICE AND GUIDANCE TO THE PUBLIC AND GOVERNMENT.
Program accomplishments
- TO PROVIDE A FORUM FOR THE EXCHANGE OF TECHNICAL INFORMATION AMONG HYDROLOGISTS AND HYDROGEOLOGISTS. INFORMATION DISSEMINATED THROUGH REPORTS, PEER-REVISED JOURNAL PAPERS, AND PRESENTATIONS AT TECHNICAL MEETINGS AND PROCEEDINGS, ATTENDANCE AT THESE MEETINGS RANGES FROM 100 TO 350 PROFESSIONALS.
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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 41-1489784
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1986
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $99,213
- Income (IRS master file)
- $73,777
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $73,777 | $113,411 | $99,213 | IRS |
| 990-EZ | December 2024 | $73,829 | $86,166 | $138,852 | XML |
| 990-EZ | December 2023 | $86,468 | $62,568 | $150,142 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | 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 41-1489784).
Questions about AMERICAN INSTITUTE OF HYDROLOGY
- What is the EIN of AMERICAN INSTITUTE OF HYDROLOGY?
- The employer identification number (EIN) of AMERICAN INSTITUTE OF HYDROLOGY is 41-1489784.
- Is AMERICAN INSTITUTE OF HYDROLOGY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1986.
- Are donations to AMERICAN INSTITUTE OF HYDROLOGY tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does AMERICAN INSTITUTE OF HYDROLOGY 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 AMERICAN INSTITUTE OF HYDROLOGY 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 AMERICAN INSTITUTE OF HYDROLOGY last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of AMERICAN INSTITUTE OF HYDROLOGY?
- The 990-EZ for the year ended December 31, 2025 lists 10 people; 0 received compensation from the organization.
- How much revenue does AMERICAN INSTITUTE OF HYDROLOGY have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $73,777, expenses of $113,411 and total assets of $99,213 at year end.
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