Mission
Pentwater Historical Society seeks to connect people to the history of Pentwater by collecting, preserving, and sharing information and artifacts.
Public Charity
PENTWATER HISTORICAL SOCIETY
Based in Pentwater, MI, PENTWATER HISTORICAL SOCIETY operates as a Public Charity. The organization reported $255K in revenue, $58K in expenses, $478K in total assets for fiscal year 2025. Imperigo tracks 2 reported grant relationships connected to this organization totaling approximately $35K.
EIN: 382477422
Pentwater, MI
Latest filing: 2025
Total Revenue$255K
Total Expenses$58K
Total Assets$478K
Grant Records2
Funding Total$35K
Filing Years2024–2025
Where $100 goes at Pentwater Historical Society
How Pentwater Historical Society divides every $100 it spends, from its own Form 990 filings, averaged across 2 years.
$79
Programs
the work itself
$19
Management
running the organization
$2
Fundraising
raising the next dollar
Inside the $79 for programs
$52
Operate Museum--Society served 1537 museum visitors in 2025
$24
Acquire Artifacts and Develop Exhibits--Society completed Journeys to Pentwater exhibit
$3
Publish Newsletter about Pentwater History--Society wrote and distributed 3 newsletters to 354 society members
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
MUSEUM BUILDING EXPANSION PROJECT
$19,940
GENERAL SUPPORT
$15,266
Showing up to 5 of 2 total records — full history available with membership.
Officers & Directors
Trustee
Amy Vanderzwart
Vice President Trustee
Barton Zachrich
Secretary Trustee
Daniel Girvan
Trustee
Daniel Hoekstra
Trustee
Elizabeth Russell
Trustee
James Lambrix
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $255K | $58K | $478K |
| 2024 | $62K | $42K | $261K |
Between 2024 and 2025, reported annual revenue grew from $62K to $255K (+314%), with total assets most recently reported at $478K.
Interactive year-over-year charts and full filing details available with membership.