Skip to the page content
Your donations
Passes our checks

Jamison Museum Association Inc

EIN 39-1363989 · Platteville, WI

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthGood85 out of 100GovernanceFair50 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

THE MISSION OF THE MINING & ROLLO JAMISON MUSEUMS IS TO CONTINUE IN THE PURSUIT OF EXCELLENCE IN THE AREAS OF REGIONAL AND MINING HISTORY. TO ACHIEVE THAT PURPOSE, THE MUSEUMS ARE COMMISSIONED TO BE A CUSTODIAN OF THE PAST; TO INTERPRET THE RICH LEAD AND ZINC MINING HERITAGE OF THE REGION; AS WELL AS TO PRESERVE, INTERPRET, AND DISPLAY THE ARTIFACTS THAT DEFINE SOUTHWEST WISCONSIN.

Income
$138,832
Spending
$98,442
Spent on programs
88%
Reserves
48.3 months of spending
Largest source of income
donations and private grants, 66%
Employees
0
Volunteers
70

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Good: 85 out of 100.

  • Reserves

    35 of 35

    Spendable reserves would cover 48.3 months of spending.

  • Debt

    20 of 20

    It owes 1% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 29% of income.

  • Income trend

    0 of 15

    Income fell 31% on the year before.

  • Spending floor

    15 of 15

    88% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Fair: 50 out of 100.

  • Independent board

    25 of 25

    10 of 10 voting board members are independent.

  • Conflict of interest policy

    0 of 15

    Reports no written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    0 of 10

    Did not give the board a copy of this return before filing it.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (1)
  1. $86,229 spent. INCLUDES PROVIDING FINANCIAL SUPPORT FOR THE MINING & ROLLO JAMISON MUSEUMS THROUGH A DONATION TO THE CITY OF PLATTEVILLE MUSEUM DEPARTMENT TO FUND GENERAL OPERATIONS, SUPPORTING EDUCATIONAL EVENTS AND PROGRAMS OF THE MINING & ROLLO JAMISON MUSEUMS, SCHOOL FIELD TRIP SCHOLARSHIPS, AND SUPPORT FOR EDUCATIONAL EXHIBITS AND PROGRAMMING.DURING 2025 EDUCATIONAL EVENTS AND PROGRAMS INCLUDED, THE PLATTEVILLE HISTORIC RE-ENACTMENT (2,800 ATTENDEES), HERITAGE DAY/JULY 4TH (715 ATTENDEES), WINTER LYCEUM (127 ATTENDEES), MINE DAY (174 ATTENDEES), THE ANNUAL PROGRAM (30 ATTENDEES), AND SCHOOL FIELD TRIP SCHOLARSHIPS TO COVER BUSING FOR SCHOOLS AND ADMISSION FOR 1,579 STUDENTS.DURING 2025 SUPPORT FOR EDUCATIONAL EXHIBIT AND PROGRAMMING INCLUDED: REPAIR AND MAINTENANCE OF MINE TRAIN, FINANCIAL ASSISTANCE TO SCHOOLS FOR FIELD TRIPS, DEVELOPMENT OF NEW INTERACTIVE MUSEUM EVENT MINI-GOLF, SIGNAGE FOR THE KOPP MEMORIAL GARDEN, BANDS FOR MINE DAY, AND HISTORIC EDUCATIONAL INTERPRETERS.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated September 30, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated September 10, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since December 1980.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 7, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.