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Nevada · Nonprofit

NEVADA TEST SITE HISTORICAL

NEVADA TEST SITE HISTORICAL (Nevada) receives grants from 6 organizations whose IRS filings report $372,556 to it, the largest being COMMISSION FOR THE LAS VEGAS CENTENNIAL ($250,001). 4 of them have funded it in more than one year.

Revenue FY2025
$2.7M
Funders on record
6
Grants received
$373k
Net assets
$2.8M
4/6 repeat funderspeak grant-dependency 10%
01What it does

What Nevada Test Site Historical does

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.

As stated on its FY2025 Form 990.

Program

  1. 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.

    $1,475,425 spent$1,213,256 earned by the program
    100% of program spending

The program described on its FY2025 Form 990. Program spending in total: $1,475,425.

02The organization over time

The organization over time

Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.

100 = 20172017 Revenue 100 ($1.2M) Expenses 100 ($1.1M) Net assets 100 ($604k)2018 Revenue 104 ($1.2M) Expenses 111 ($1.2M) Net assets 100 ($605k)2019 Revenue 153 ($1.8M) Expenses 155 ($1.7M) Net assets 117 ($709k)2020 Revenue 107 ($1.3M) Expenses 107 ($1.2M) Net assets 132 ($799k)2021 Revenue 154 ($1.8M) Expenses 114 ($1.2M) Net assets 227 ($1.4M)2022 Revenue 127 ($1.5M) Expenses 168 ($1.8M) Net assets 169 ($1.0M)2023 Revenue 230 ($2.7M) Expenses 191 ($2.1M) Net assets 291 ($1.8M)2024 Revenue 193 ($2.3M) Expenses 158 ($1.7M) Net assets 379 ($2.3M)2025 Revenue 229 ($2.7M) Expenses 200 ($2.2M) Net assets 462 ($2.8M)
'17'18'19'20'21'22'23'24'25
Revenue (229)Expenses (200)Net assets (462)Peer revenue range

Balance sheet

Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2023 to 2024, from $2.0M to $3.0M (+44%).

$664k
$721k
$841k
$1.2M
$1.6M
$1.3M
$2.0M
$3.0M
$3.1M
'17'18'19'20'21'22'23'24'25
Total assetsTotal liabilities

How it's funded, over time

Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.

2017
2018
2019
2020
2021
2022
2023
2024
2025
ContributionsProgram revenueInvestmentOther

Government-grant reliance: 2021 49% · 2022 25% · 2023 39% · 2024 21% · 2025 17%. Grants only. Government contracts and fees sit inside program revenue.

40% of NEVADA TEST SITE HISTORICAL’s revenue is contributions — about as donation-reliant as the typical peer (63% for the typical peer).

This organization
Typical peer · 5,395 orgs

Surplus & reserves

Operating surplus or deficit each year, and months of liquidity in hand. 1 of the last 9 reported years ran a deficit.

$81k
’17
$7k
’18
$103k
’19
$90k
’20
$563k
’21
−$354k
’22
$612k
’23
$534k
’24
$501k
’25
2.2
months of
reserve

Leadership and staff

The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.

Chief executive

Melissa Jamvold

CEO

Board chair

John Longenecker

Chair

As listed on its FY2025 Form 990.

The chief executive listed changed between the FY2024 and FY2025 filings.

'17'18'19'20'21'22'23'24'25
Listed333229252728192024
Joined·+0+1+3+3+3+0+6+10
No longer listed·14712956
03Who funds it

Who funds it, year by year

2017 → 2023: the base broadened from 1 funder to 2 funders, grant income fell $28k → $11k.

3 of 6 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 22% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.

From the IRS filings of NEVADA TEST SITE HISTORICAL’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

How concentrated its funding is

NEVADA TEST SITE HISTORICAL leans on a few funders — its largest provides 67% of grant income and the top three 89%; half comes from just 1 funder.

the vertical line marks half of all grant income — 1 funder to its left

96% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund NEVADA TEST SITE HISTORICAL.

67%
largest funder
89%
top three
~2
effective funders

Largest funder’s share by year: 2017 100% · 2020 59% · 2021 92% · 2022 86% · 2023 98% — broadly stable.

“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

Where its funders are

100% of NEVADA TEST SITE HISTORICAL's grant income comes from Nevada funders.

NV

In-state vs out-of-state, by year

’20
’21
’22
Nevada out of state home

Funder states come from each funder’s own filing. $83k arriving through sponsors registered in 3 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

04Its place in the field

Against its field

NEVADA TEST SITE HISTORICAL runs a healthier operating margin than half of the 3,430 arts & culture nonprofits its size.

Operating margin19% · above the median
Months of reserve2.2mo · below the median
Revenue growth (annualized)11% · above the median

this organization peer median middle 50% of peers· 3,430 arts & culture nonprofits $1M–$10M, FY2025

Organizations like NEVADA TEST SITE HISTORICAL

Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.

In Nevada

Nationally

05Profile & governance

Read directly from this organization’s own Form 990, as neutral context.

Where the money goes

67% of spending goes to programs.

Program 67%Management 27%Fundraising 5%

Governance

22
board members
100%
independent
✓Conflict-of-interest policy✓Whistleblower policy✓Document retention–Board reviewed the 990✓Audited financials

Public support

92%

Share of support from the public (Schedule A) — the basis for its public-charity status.

Screen this organization

A dated, signed PDF of the compliance screen for NEVADA TEST SITE HISTORICAL: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.

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Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf

Questions and answers

Who funds NEVADA TEST SITE HISTORICAL?
NEVADA TEST SITE HISTORICAL (Nevada) receives grants from 6 organizations whose IRS filings report $372,556 to it, the largest being COMMISSION FOR THE LAS VEGAS CENTENNIAL ($250,001). 4 of them have funded it in more than one year.
How many funders does NEVADA TEST SITE HISTORICAL have?
IRS filings report 6 organizations giving $372,556 in grants to NEVADA TEST SITE HISTORICAL, 4 of which have funded it in more than one year.
Who is the largest funder of NEVADA TEST SITE HISTORICAL?
COMMISSION FOR THE LAS VEGAS CENTENNIAL is the largest funder on record, with $250,001 in grants. The full list of funders is on this page.
How can an organization like NEVADA TEST SITE HISTORICAL find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Nevada. The funding by cause and by state pages list the largest funders for a given area and how to approach them.

Play a game about who funds Nevada Test Site Historical →

These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 6 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 22, 2026. What this page cannot tell you · view filing