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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 82-5387409

WISCONSIN WATER SKI AND WAKEBOARD INC

Tax-exempt · MADISON, WI 53706

Address and contacts

Address (IRS master file)
1976 OBSERVATORY DR, MADISON, WI 53706-0000
Mailing address (990-N for 2025)
1976 observatory dr, Madison WI 53706
Principal officer (990-N for 2025)
Sydney Koch, 1976 observatory dr, Madison WI 53706

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

File the 2026 990-N for WISCONSIN WATER SKI AND WAKEBOARD INC

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
82-5387409
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
2019
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Sydney Koch
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Sydney Koch
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Will Maccarone
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Grace Stanke
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Reid Mil
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Reid Miller
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 82-5387409).

Questions about WISCONSIN WATER SKI AND WAKEBOARD INC

What is the EIN of WISCONSIN WATER SKI AND WAKEBOARD INC?
The employer identification number (EIN) of WISCONSIN WATER SKI AND WAKEBOARD INC is 82-5387409.
Is WISCONSIN WATER SKI AND WAKEBOARD INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to WISCONSIN WATER SKI AND WAKEBOARD INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WISCONSIN WATER SKI AND WAKEBOARD INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WISCONSIN WATER SKI AND WAKEBOARD 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 WATER SKI AND WAKEBOARD 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 WATER SKI AND WAKEBOARD INC?
The 990-N for 2025 names Sydney Koch.

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