Question 1

Is Water Mill Museum a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Water Mill Museum is recognised by the IRS as a 501(c)(3) organisation (EIN 11-3554827). The IRS recognised Water Mill Museum as tax-exempt in December 2000.

Question 2

What is Water Mill Museum's EIN?

Accepted Answer

Water Mill Museum's Employer Identification Number (EIN) is 11-3554827. The EIN was assigned by the IRS in December 2000. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Water Mill Museum do?

Accepted Answer

To preserve its historic Water-powered grist mill, the other buildings at its site, its Museum collection and inform thepublic about the history of the mill, the hamlet of Water Mill and the hamlets cultural and natural heritage

Question 4

Where is Water Mill Museum located?

Accepted Answer

Water Mill Museum is located at PO Box 63, Water Mill, NY, 11976.

Question 5

When was Water Mill Museum founded or recognised by the IRS?

Accepted Answer

Water Mill Museum was recognised by the IRS as a tax-exempt organisation in December 2000. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Water Mill Museum's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Water Mill Museum reported $162K in total revenue and $154K in total expenses.

Question 7

Has Water Mill Museum been auto-revoked by the IRS?

Accepted Answer

No — Water Mill Museum (EIN 11-3554827) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Water Mill Museum listed in IRS Publication 78?

Accepted Answer

Yes — Water Mill Museum is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.

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Water Mill Museum

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