Nonprofit · EIN 88-0392763
NEVADA TEST SITE HISTORICAL FOUNDATION
Tax-exempt · LAS VEGAS, NV 89119
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $2,690,656 | $2,189,231 | $501,425 | $3,126,342 | $331,930 | $2,794,412 |
| December 31, 2024 | 990 | $2,265,282 | $1,731,293 | $533,989 | $2,951,015 | $658,028 | $2,292,987 |
| December 31, 2023 | 990 | $2,704,834 | $2,092,636 | $612,198 | $2,049,503 | $290,505 | $1,758,998 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $1,073,861
- of which government grants
- $456,398
- Membership dues
- $92,078
- Program service revenue
- $1,213,256
- Investment income
- $615
- Net income from fundraising events
- $167,717
- Net income from sales of inventory
- $235,207
- Other revenue
- $402,924
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $239,013
- Other salaries and wages
- $752,687
- Salaries, compensation and benefits (total)
- $991,700
- Professional fundraising fees
- $0
- Depreciation
- $295,819
- Program services (functional)
- $1,475,425
- Management and general (functional)
- $594,548
- Fundraising (functional)
- $119,258
Balance sheet and other
- Total assets, start of year
- $2,951,015
- Total assets, end of year
- $3,126,342
- Total liabilities, end of year
- $331,930
- Net assets, end of year
- $2,794,412
- Land, buildings and equipment
- $2,594,930
- Net assets without donor restrictions
- $2,742,912
- Net assets with donor restrictions
- $51,500
- Gross receipts
- $2,896,295
- Employees
- 24
- Volunteers
- 20
- Year formed
- 1998
- State of legal domicile
- NV
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 |
|---|---|---|---|
| MELISSA JAMVOLD | CEO Officer | 40 | $131,538 |
| JOSEPH KENT | DEPUTY DIREC Officer | 40 | $107,475 |
| JOHN LONGENECKER | CHAIR Trustee or director, Officer | 3 | $0 |
| SCOTT WADE | VICE CHAIR Trustee or director, Officer | 40 | $0 |
| PAT ARNOLD | VICE PRESIDE Trustee or director, Officer | 2 | $0 |
| WILLIAM WADE | TREASURER Trustee or director, Officer | 18 | $0 |
| MARTHA DEMARRE | SECRETARY Trustee or director, Officer | 1 | $0 |
| MARCUS BROWN | TRUSTEE Trustee or director | 20 | $0 |
| TERRY CARE | TRUSTEE Trustee or director | 2 | $0 |
| BOB COCHRAN | TRUSTEE Trustee or director | 1 | $0 |
| PAUL DIXON | TRUSTEE Trustee or director | 1 | $0 |
| JACK DOYLE | TRUSTEE Trustee or director | 1 | $0 |
| ERIC KNOX | TRUSTEE Trustee or director | 1 | $0 |
| MARK HALL-PATTON | TRUSTEE Trustee or director | 1 | $0 |
| DAVID COONS | TRUSTEE Trustee or director | 1 | $0 |
9 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JIMMY DAHU | TRUSTEE Trustee or director | 1 | $0 |
| THOMAS O HUNTER | TRUSTEE Trustee or director | 1 | $0 |
| ROBERT A SAVOIE | TRUSTEE Trustee or director | 1 | $0 |
| JILL DALE | TRUSTEE Trustee or director | 2 | $0 |
| ROBERT STOLDAL | TRUSTEE Trustee or director | 1 | $0 |
| DEBBIE GARNER | TRUSTEE Trustee or director | 1 | $0 |
| ORIN HAWORTH JR | TRUSTEE Trustee or director | 1 | $0 |
| LINDA MILLER | TRUSTEE Trustee or director | 1 | $0 |
| CARSON RILAND | TRUSTEE Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 20 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ROBERT MCCOY | CEO Officer | 40 | $132,190 |
| JOHN LONGENECKER | CHAIR Trustee or director, Officer | 3 | $0 |
| SCOTT WADE | VICE CHAIR Trustee or director, Officer | 20 | $0 |
| PAT ARNOLD | VICE PRESIDE Trustee or director, Officer | 2 | $0 |
| WILLIAM WADE | TREASURER Trustee or director, Officer | 8 | $0 |
| MARTHA DEMARRE | SECRETARY Trustee or director, Officer | 1 | $0 |
| JOHN BROWNE | TRUSTEE Trustee or director | 1 | $0 |
| TERRY CARE | TRUSTEE Trustee or director | 1 | $0 |
| BOB COCHRAN | TRUSTEE Trustee or director | 1 | $0 |
| PAUL DIXON | TRUSTEE Trustee or director | 1 | $0 |
| JACK DOYLE | TRUSTEE Trustee or director | 1 | $0 |
| ERIC KNOX | TRUSTEE Trustee or director | 1 | $0 |
| MARK HALL-PATTON | TRUSTEE Trustee or director | 1 | $0 |
| PEGGY HALLERBERG | TRUSTEE Trustee or director | 1 | $0 |
| JIM HOLT | TRUSTEE Trustee or director | 1 | $0 |
| THOMAS O HUNTER | TRUSTEE Trustee or director | 1 | $0 |
| ROBERT A SAVOIE | TRUSTEE Trustee or director | 1 | $0 |
| HARRY STEINKE | TRUSTEE Trustee or director | 1 | $0 |
| ROBERT STOLDAL | TRUSTEE Trustee or director | 1 | $0 |
| PETER ZAVATTARO | TRUSTEE Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 19 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ROBERT MCCOY | CEO Officer | 40 | $126,602 | $6,000 |
| JOHN LONGENECKER | CHAIRMAN Trustee or director, Officer | 5 | $0 | $0 |
| DARWIN J MORGAN | PRESIDENT Trustee or director, Officer | 10 | $0 | $0 |
| PATRICK ARNOLD | VICE PRESIDE Trustee or director, Officer | 10 | $0 | $0 |
| BILL WADE | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| MARTHA DEMARRE | SECRETARY Trustee or director, Officer | 5 | $0 | $0 |
| DAVID FEATHER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARK HALL-PATTON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PEGGY HALLERBERG | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JIM HOLT | TRUSTEE Trustee or director | 1 | $0 | $0 |
| THOMAS O HUNTER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARK W MARTINEZ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CORY MAZZOLA | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ROBERT SAVOIE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| HARRY STEINKE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ROBERT STOLDAL | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ERNEST B WILLIAMS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PETER ZAVATTARO | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SCOTT WADE | TRUSTEE Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 755 E FLAMINGO RD, LAS VEGAS, NV 89119-7363
- In care of
- % BAILEY CLARK-DIRECTOR OF FINANCE
- Principal officer (990 for 2025)
- SCOTT WADE, 755 E FLAMINGO RD, LAS VEGAS, NV 89119
- Signed the 990
- SCOTT WADE, VICE CHAIR
- Phone
- (702) 409-7366
- Website
- ATOMICMUSEUM.VEGAS
- Return prepared by
- ELLSWORTH & STOUT CPAS
Mission
THE MISSION OF THE NEVADA TEST SITE HISTORICAL FOUNDATION IS TO PRESERVE AND FOSTER PUBLIC ACCESSIBILITY TO THE HISTORY ASSOCIATION WITH THE NEVADA TEST SITE AND THE NATION'S NUCLEAR WEAPONS TESTING PROGRAM. THE NEVADA TEST SITE HISTORICAL FOUNDATION PROMOTES AND SUPPORTS CULTURAL, EDUCATIONAL, AND SCIENTIFIC PROGRAMMING TO ENCOURAGE THE DEVELOPMENT AND PUBLIC EXCHANGE OF VIEW REGARDING THE NEVADA TEST SITE AND ITS IMPACT ON THE NATION.
Program accomplishments
- THE OPERATION OF A MUSEUM TO PRESERVE, CONSOLIDATE AND MAKE ACCESSIBLE TO THE PUBLIC HISTORICAL AND ARCHIVAL RECORDS, FILMS, PHOTOGRAPHS, TESTING AND ARCHEOLOGICAL ARTIFACTS ASSOCIATED WITH THE NEVADA TEST SITE. HOSTING EDUCATIONAL PROGRAMS, GUEST LECTURES, AND BOOK SIGNINGS FOR THE PURPOSE OF RAISING AWARENESS OF THE NEVADA TEST SITE AND THE NATION'S NUCLEAR WEAPONS TESTING ROOM.Expenses $1,475,425 · revenue $1,213,256
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
- 88-0392763
- 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
- 1998
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A50)
- Assets (IRS master file)
- $3,126,342
- Income (IRS master file)
- $2,896,295
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $2,690,656 | $2,189,231 | $3,126,342 | XML |
| 990 | December 2024 | $2,265,282 | $1,731,293 | $2,951,015 | XML |
| 990 | December 2023 | $2,704,834 | $2,092,636 | $2,049,503 | XML |
| 990 | December 2022 | $1,489,757 | $1,843,629 | $1,268,117 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990 | December 2017 | – | – | – | 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 88-0392763).
Questions about NEVADA TEST SITE HISTORICAL FOUNDATION
- What is the EIN of NEVADA TEST SITE HISTORICAL FOUNDATION?
- The employer identification number (EIN) of NEVADA TEST SITE HISTORICAL FOUNDATION is 88-0392763.
- Is NEVADA TEST SITE HISTORICAL FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
- Are donations to NEVADA TEST SITE HISTORICAL FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does NEVADA TEST SITE HISTORICAL FOUNDATION 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 NEVADA TEST SITE HISTORICAL FOUNDATION 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 NEVADA TEST SITE HISTORICAL FOUNDATION 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 NEVADA TEST SITE HISTORICAL FOUNDATION?
- The 990 for the year ended December 31, 2025 names SCOTT WADE.
- Who are the officers and directors of NEVADA TEST SITE HISTORICAL FOUNDATION?
- The 990 for the year ended December 31, 2025 lists 24 people; 2 received compensation from the organization, the highest $131,538 (MELISSA JAMVOLD, CEO).
- How much revenue does NEVADA TEST SITE HISTORICAL FOUNDATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $2,690,656, expenses of $2,189,231 and total assets of $3,126,342 at year end.
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