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Nonprofit · EIN 84-1104684

COLORADO GROUND-WATER ASSOCIATION

Tax-exempt (reinstated) · CONIFER, CO 80433

Address and contacts

Address (IRS master file)
PO BOX 155, CONIFER, CO 80433-0155
In care of
% ANDREA GEHLHAUSEN
Mailing address (990-N for 2025)
PO Box 155, Conifer CO 80433
Principal officer (990-N for 2025)
Andrea Gehlhausen, 14514 Reserve Road, Pine CO 80470

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

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026990-N on file
2024March 31, 2025August 15, 2025Check at the IRS
2023March 31, 2024August 15, 2024990-N on file

File the 2026 990-N for COLORADO GROUND-WATER ASSOCIATION

Due August 16, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
84-1104684
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2019
Accounting year ends
March
Files
Form 990-N (e-Postcard)

Revocation and reinstatement

Exemption revoked
August 15, 2013
Posted by the IRS
November 11, 2013
Reinstated
Effective April 15, 2019

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: Andrea Gehlhausen
March 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Andrea N Gehlhausen
March 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Andrea Gehlhausen
March 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2009
Officer: Hoyt Sutphin
March 31, 2010≤ $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 84-1104684).

Questions about COLORADO GROUND-WATER ASSOCIATION

What is the EIN of COLORADO GROUND-WATER ASSOCIATION?
The employer identification number (EIN) of COLORADO GROUND-WATER ASSOCIATION is 84-1104684.
Is COLORADO GROUND-WATER ASSOCIATION tax-exempt?
Yes. The IRS revoked its exemption on August 15, 2013 and reinstated it effective April 15, 2019.
Are donations to COLORADO GROUND-WATER ASSOCIATION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does COLORADO GROUND-WATER ASSOCIATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of COLORADO GROUND-WATER ASSOCIATION due?
The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did COLORADO GROUND-WATER ASSOCIATION last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended March 31, 2026.
Who is the principal officer of COLORADO GROUND-WATER ASSOCIATION?
The 990-N for 2025 names Andrea Gehlhausen.

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