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Nonprofit · EIN 39-1785713

WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC

Tax-exempt (reinstated) · MT PLEASANT, WI 53406

Address and contacts

Address (IRS master file)
8458 CREEK VIEW LN, MT PLEASANT, WI 53406-2107
Mailing address (990-N for 2025)
8458 Creek View Lane, Mount Pleasant WI 53406
Principal officer (990-N for 2025)
Gene Nisler, 8458 Creek View Lane, Mount WI 53406

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

IRS record

EIN
39-1785713
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2018
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Revocation and reinstatement

Exemption revoked
May 15, 2010
Posted by the IRS
September 30, 2018
Reinstated
Effective September 15, 2018

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Gene Nisler
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Russel E Leitz
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Russel E Leitz
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Russel E Leitz
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Russel E Leitz
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Russel E Leitz
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Russel E Leitz
December 31, 2019≤ $50,000 receipts––e-Postcard

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 39-1785713).

Questions about WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC

What is the EIN of WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC?
The employer identification number (EIN) of WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC is 39-1785713.
Is WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2010 and reinstated it effective September 15, 2018.
Are donations to WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC 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 WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of WISCONSIN UNDERWATER ARCHAEOLOGICAL ASSOCIATION INC?
The 990-N for 2025 names Gene Nisler.

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