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Nonprofit · EIN 45-4818507

NORTHERN WATERS ENVIRONMENTAL SCHOOL INC

Tax-exempt (reinstated) · HAYWARD, WI 54843

Address and contacts

Address (IRS master file)
10256 N GREENWOOD LN, HAYWARD, WI 54843-0000
In care of
% BRITTANY ROBERTS
Mailing address (990-N for 2025)
10256 N Greenwood Ln, Hayward WI 54843
Principal officer (990-N for 2025)
Denise Vujnovich, 10256 N Greenwood Ln, Hayward WI 54843

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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2026 990-N for NORTHERN WATERS ENVIRONMENTAL SCHOOL INC

Due November 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
45-4818507
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
School
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2022
Accounting year ends
June
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B29)

Revocation and reinstatement

Exemption revoked
November 15, 2020
Posted by the IRS
March 22, 2022
Reinstated
Effective November 15, 2020

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: Denise Vujnovich
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Denise Vujnovich
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Denise Vujnovich
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Lori Jones
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2016
Officer: BRITTANY HAGER
June 30, 2017≤ $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 45-4818507).

Questions about NORTHERN WATERS ENVIRONMENTAL SCHOOL INC

What is the EIN of NORTHERN WATERS ENVIRONMENTAL SCHOOL INC?
The employer identification number (EIN) of NORTHERN WATERS ENVIRONMENTAL SCHOOL INC is 45-4818507.
Is NORTHERN WATERS ENVIRONMENTAL SCHOOL INC tax-exempt?
Yes. The IRS revoked its exemption on November 15, 2020 and reinstated it effective November 15, 2020.
Are donations to NORTHERN WATERS ENVIRONMENTAL SCHOOL INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does NORTHERN WATERS ENVIRONMENTAL SCHOOL INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of NORTHERN WATERS ENVIRONMENTAL SCHOOL INC due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did NORTHERN WATERS ENVIRONMENTAL SCHOOL INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of NORTHERN WATERS ENVIRONMENTAL SCHOOL INC?
The 990-N for 2025 names Denise Vujnovich.

Other nonprofits in HAYWARD

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