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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 36-4572121

INTERNATIONAL EROSION CONTROL ASSOCIATION

Also known as IECA GREAT LAKES CHAPTER

Tax-exempt · DEKALB, IL 60115

Address and contacts

Address (IRS master file)
2585 WAGNER CT, DEKALB, IL 60115-8609
In care of
% JONATHAN KOEPKE
Mailing address (990-N for 2025)
2585 Wagner Court, DeKalb IL 60115
Principal officer (990-N for 2025)
Jonathan Koepke, 2585 Wagner Court, DeKalb IL 60115

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 INTERNATIONAL EROSION CONTROL ASSOCIATION

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

IRS record

EIN
36-4572121
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Exempt since
1979
Accounting year ends
June
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C202)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Jonathan Koepke
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Jonathan Koepke
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Jonathan Koepke
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Jonathan Koepke
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Jonathan Koepke
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Jonathan Koepke
June 30, 2020≤ $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 36-4572121).

Questions about INTERNATIONAL EROSION CONTROL ASSOCIATION

What is the EIN of INTERNATIONAL EROSION CONTROL ASSOCIATION?
The employer identification number (EIN) of INTERNATIONAL EROSION CONTROL ASSOCIATION is 36-4572121.
Is INTERNATIONAL EROSION CONTROL ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1979.
Which annual return does INTERNATIONAL EROSION CONTROL ASSOCIATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INTERNATIONAL EROSION CONTROL ASSOCIATION 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 INTERNATIONAL EROSION CONTROL ASSOCIATION 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 INTERNATIONAL EROSION CONTROL ASSOCIATION?
The 990-N for 2025 names Jonathan Koepke.

Other nonprofits in DEKALB

All nonprofits in DEKALB · Illinois · Environment