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Nonprofit · EIN 94-3402551

680 WATER POLO ASSOCIATION

Tax-exempt · DANVILLE, CA 94526

Financials

$1M$989K2022$1M$1.1M2023$1M$1.2M2024
Revenue Expenses · by fiscal year end
Financials of 680 WATER POLO ASSOCIATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990$1,026,453$1,200,697-$174,244$216,410$0$216,410
September 30, 2024990$1,019,901$1,075,660-$55,759$340,191$0$340,191
September 30, 2023990$1,045,744$988,581$57,163$415,496$0$415,496
Financial details: 990 for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$1,026,453
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$153,800
Other salaries and wages
$241,073
Salaries, compensation and benefits (total)
$503,111
Professional fundraising fees
$0
Occupancy
$279,416
Travel
$111,740
Program services (functional)
$1,200,697

Balance sheet and other

Total assets, start of year
$340,191
Total assets, end of year
$216,410
Total liabilities, end of year
$0
Net assets, end of year
$216,410
Net assets without donor restrictions
$216,410
Gross receipts
$1,026,453
Employees
52
Volunteers
4
Year formed
2003
State of legal domicile
CA

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 for the year ended September 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
Matthew MundeliusVice President and Treasurer
Officer, Key employee, Highest-paid employee
40$77,000
Stephen MannPresident
Officer, Key employee, Highest-paid employee
30$76,800
Shannon MundeliusBoard Member
Trustee or director
10$13,200
Michael AgenoBoard Member
Trustee or director
5$0
Susan MannBoard Member
Trustee or director, Officer
5$0
Andrew SlakoffBoard Member
Trustee or director
5$0
990 for the year ended September 30, 2024: 6 people
NameTitleHours / weekCompensation
Stephen MannPresident
Officer, Key employee, Highest-paid employee
30$73,675
Matthew MundeliusVice President and Treasurer
Officer, Key employee, Highest-paid employee
40$73,275
Shannon MundeliusBoard Member
Trustee or director
10$12,000
Michael AgenoBoard Member
Trustee or director
5$0
Susan MannBoard Member
Trustee or director, Officer
5$0
Andrew SlakoffBoard Member
Trustee or director
5$0
990 for the year ended September 30, 2023: 6 people
NameTitleHours / weekCompensation
Stephen MannPresident
Officer, Key employee, Highest-paid employee
30$46,600
Matthew MundeliusVice President and Treasurer
Officer, Key employee, Highest-paid employee
40$39,866
Shannon MundeliusBoard Member
Trustee or director
10$12,000
Michael AgenoBoard Member
Trustee or director
5$0
Susan MannBoard Member
Trustee or director, Officer
5$0
Andrew SlakoffBoard Member
Trustee or director
5$0

Address and contacts

Address (IRS master file)
17 OCHO RIOS PL, DANVILLE, CA 94526-4821
In care of
% STEVE MANN
Principal officer (990 for 2024)
Matthew Mundelius, 17 Ocho Rios Pl, Danville, CA 94526
Signed the 990
Matthew Mundelius, Vice President
Phone
(925) 360-7987

California records

California keeps its own records of charities and corporations. Search them by EIN 94-3402551 or by the name 680 WATER POLO ASSOCIATION.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

680 Water Polo Association establishes teams based on age group and gender for practice and competition. Teaching fundamentals, strategies, and tactics of the sport to all participants. Develop individual skills, teamwork and camaraderie among all participants. Encourage and promote discipline, hard work, and sportsmanship. Advance and promote the sport of water polo within the framework of an educational and athletic club. Travel to numerous tournaments such as the Junior Olympics to compete against similar programs.

990 for the year ended September 30, 2025

Program accomplishments

  • Develop and promote the sport of water polo
    Expenses $1,200,697 · revenue $1,026,453

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

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990 on file
2023September 30, 2024February 18, 2025990 on file

IRS record

EIN
94-3402551
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
2002
Accounting year ends
September
Files
Form 990 or 990-EZ
Assets (IRS master file)
$216,410
Income (IRS master file)
$1,026,453

Filing history

FormYear endedRevenueExpensesAssetsReturn
990September 2025$1,026,453$1,200,697$216,410XML
990September 2024$1,019,901$1,075,660$340,191XML
990September 2023$1,045,744$988,581$415,496XML
990September 2022$802,533$767,055$369,563IRS
990September 2021–––IRS
990September 2020–––IRS
990September 2019–––IRS
990September 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 94-3402551).

Questions about 680 WATER POLO ASSOCIATION

What is the EIN of 680 WATER POLO ASSOCIATION?
The employer identification number (EIN) of 680 WATER POLO ASSOCIATION is 94-3402551.
Is 680 WATER POLO ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
Are donations to 680 WATER POLO ASSOCIATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does 680 WATER POLO ASSOCIATION 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 680 WATER POLO ASSOCIATION due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did 680 WATER POLO ASSOCIATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended September 2025.
Who is the principal officer of 680 WATER POLO ASSOCIATION?
The 990 for the year ended September 30, 2025 names Matthew Mundelius.
Who are the officers and directors of 680 WATER POLO ASSOCIATION?
The 990 for the year ended September 30, 2025 lists 6 people; 3 received compensation from the organization, the highest $77,000 (Matthew Mundelius, Vice President and Treasurer).
How much revenue does 680 WATER POLO ASSOCIATION have?
On its 990 for the year ended September 30, 2025 it reported revenue of $1,026,453, expenses of $1,200,697 and total assets of $216,410 at year end.

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