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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 99-0292948

AQUATIC MAMMALS

Tax-exempt · MACOMB, IL 61455

Financials

$77K$81K2023$99K$80K2024$70K$85K2025
Revenue Expenses · by fiscal year end
Financials of AQUATIC MAMMALS by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$69,825$84,897-$15,072$91,938$0$91,938
December 31, 2024990-EZ$99,308$79,815$19,493$107,010$0$107,010
December 31, 2023990-EZ$77,034$81,072-$4,038$87,517$0$87,517
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$8,499
Program service revenue
$61,194
Other revenue
$132

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$61,496
Other expenses
$23,401

Balance sheet and other

Total assets, start of year
$107,010
Total assets, end of year
$91,938
Total liabilities, end of year
$0
Net assets, end of year
$91,938
Cash, savings and investments
$91,938
Gross receipts
$69,825

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
KATHLEEN M DUDZINSKI PHDMANAGING EDITOR/BOD2$0
JUSTIN D GREGG PHDCO EDITOR/BOD1$0
RAEL SLAVENSKYBOARD OF DIRECTORS1$0
JOHN ANDERSONSECRETARY/BOD1$0
990-EZ for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
KATHLEEN M DUDZINSKI PHDMANAGING EDITOR/BOD2$0
JUSTIN D GREGG PHDCO EDITOR/BOD1$0
RAEL SLAVENSKYBOARD OF DIRECTORS1$0
JOHN ANDERSONSECRETARY/BOD1$0
990-EZ for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
KATHLEEN M DUDZINSKI PHDMANAGING EDITOR/BOD2$5,623
JOHN ANDERSONSECRETARY/BOD1$2,770
JUSTIN D GREGG PHDCO EDITOR/BOD1$0
RAEL SLAVENSKYBOARD OF DIRECTORS1$0

Address and contacts

Address (IRS master file)
1 UNIVERSITY CIR, MACOMB, IL 61455-1367
In care of
% DPS WIU
Signed the 990-EZ
KATHLEEN DUDZINSKI PHD, PRESIDENT
Phone
(860) 514-4704
Return prepared by
BOWMAN BLACK & DEFILIO LLC

Mission

AQUATIC MAMMALS IS A PEER REVIEWED JOURNAL WHICH PUBLISHES ARTICLES RELATED TO MARINE MAMMALS (EX. WHALES, DOLPHINS, SEALS, SEA OTTERS AND POLAR BEARS). THE JOURNAL ALSO HAS A HISTORICAL PERSPECTIVES FEATURE THAT INCLUDES ESSAYS AND HIGH DEFINITION DVDS OF INTERVIEWS WITH PROMINENT MARINE MAMMAL SCIENTISTS.

990-EZ for the year ended December 31, 2025

Program accomplishments

  • AQUATIC MAMMALS IS A PEER REVIEWED JOURNAL WHICH PUBLISHES ARTICLES RELATED TO MARINE MAMMALS. THE JOURNAL HAS A HISTORICAL PERSPECTIVE FEATURES THAT INCLUDES ESSAYS AND HIGH DEFINITION DVD OF INTERVIEWS WITH PROMINENT MARINE MAMMAL SCIENTISTS.

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-EZ for AQUATIC MAMMALS

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

IRS record

EIN
99-0292948
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2010
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$91,938
Income (IRS master file)
$69,825

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$69,825$84,897$91,938IRS
990-EZDecember 2024$99,308$79,815$107,010IRS
990-EZDecember 2023$77,034$81,072$87,517XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990-EZDecember 2020–––IRS
990-EZDecember 2019–––IRS
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 99-0292948).

Questions about AQUATIC MAMMALS

What is the EIN of AQUATIC MAMMALS?
The employer identification number (EIN) of AQUATIC MAMMALS is 99-0292948.
Is AQUATIC MAMMALS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
Are donations to AQUATIC MAMMALS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does AQUATIC MAMMALS file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of AQUATIC MAMMALS 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 AQUATIC MAMMALS last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of AQUATIC MAMMALS?
The 990-EZ for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does AQUATIC MAMMALS have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $69,825, expenses of $84,897 and total assets of $91,938 at year end.

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