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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 42-1473790

IOWA GEOTHERMAL ASSOCIATION

Tax-exempt · WDM, IA 50265

Address and contacts

Address (IRS master file)
PO BOX 65233, WDM, IA 50265-0233
In care of
% RON MARR
Mailing address (990-N for 2025)
PO BOX 65233, WDM IA 502650233
Principal officer (990-N for 2025)
Emily Piper, 834 Burr Oaks Lane, West Des Moines IA 50266

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 IOWA GEOTHERMAL ASSOCIATION

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

IRS record

EIN
42-1473790
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2002
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Emily Piper
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Emily Piper
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Emily Piper
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Emily Piper
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Sarah Thorn
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Sarah Thorn
December 31, 2019≤ $50,000 receipts––e-Postcard
990-EZDecember 2018–––IRS

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 42-1473790).

Questions about IOWA GEOTHERMAL ASSOCIATION

What is the EIN of IOWA GEOTHERMAL ASSOCIATION?
The employer identification number (EIN) of IOWA GEOTHERMAL ASSOCIATION is 42-1473790.
Is IOWA GEOTHERMAL ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2002.
Are donations to IOWA GEOTHERMAL ASSOCIATION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does IOWA GEOTHERMAL ASSOCIATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of IOWA GEOTHERMAL ASSOCIATION 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 IOWA GEOTHERMAL ASSOCIATION 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 IOWA GEOTHERMAL ASSOCIATION?
The 990-N for 2025 names Emily Piper.

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