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Nonprofit · EIN 56-2543795

THE DUPAGE RIVER SALT CREEK WORK GROUP

Tax-exempt · NAPERVILLE, IL 60565

Financials

$2.2M$1.9M2023$2.3M$680K2024$2.3M$930K2025
Revenue Expenses · by fiscal year end
Financials of THE DUPAGE RIVER SALT CREEK WORK GROUP by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
February 28, 2026990$2,308,580$930,153$1,378,427$11,213,024$449$11,212,575
February 28, 2025990$2,276,504$679,597$1,596,907$9,834,148$0$9,834,148
February 29, 2024990$2,231,856$1,946,820$285,036$8,237,241$0$8,237,241
Financial details: 990 for the year ended February 28, 2026

Revenue

Contributions, gifts and grants
$566,911
Membership dues
$546,338
Program service revenue
$1,332,944
Investment income
$408,725
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$8,720
Occupancy
$17,460
Travel
$4,947
Depreciation
$15,467
Program services (functional)
$875,024
Management and general (functional)
$55,129

Balance sheet and other

Total assets, start of year
$9,834,148
Total assets, end of year
$11,213,024
Total liabilities, end of year
$449
Net assets, end of year
$11,212,575
Land, buildings and equipment
$160,187
Net assets without donor restrictions
$11,212,575
Gross receipts
$2,308,580
Employees
0
Volunteers
13
Year formed
2005
State of legal domicile
IL

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 February 28, 2026, highest compensation first.

NameTitleHours / weekCompensation
AMY UNDERWOODPRESIDENT
Trustee or director, Officer
4$0
LARRY COXDIRECTOR
Trustee or director
3$0
PINAKIN DESAISECRETARY/TR
Trustee or director, Officer
3$0
MARY BETH FALSEYDIRECTOR
Trustee or director
3$0
BRETT GARELLIDIRECTOR
Trustee or director
3$0
RYAN HAYDENDIRECTOR
Trustee or director
3$0
JENNIFER HAMMERDIRECTOR
Trustee or director
3$0
ERIK NEIDYDIRECTOR
Trustee or director
3$0
SEAN REESEDIRECTOR
Trustee or director
3$0
DENNIS STREICHERDIRECTOR
Trustee or director
3$0
MATT STREICHERVICE PRESIDE
Trustee or director, Officer
3$0
GREG ULREICHDIRECTOR
Trustee or director
4$0
STEVE ZEHNERDIRECTOR
Trustee or director
3$0
990 for the year ended February 28, 2025: 12 people
NameTitleHours / weekCompensation
DAVID GORMANPRESIDENT
Trustee or director, Officer
–$0
LARRY COXTRUSTEE
Trustee or director
–$0
PINAKIN DESAISEC/TREAS
Trustee or director, Officer
–$0
MARY BETH FALSEYTRUSTEE
Trustee or director
–$0
RYAN HAYDENTRUSTEE
Trustee or director
–$0
JENNIFER HAMMERTRUSTEE
Trustee or director
–$0
ERIK NEIDYTRUSTEE
Trustee or director
–$0
DENNIS STREICHERTRUSTEE
Trustee or director
–$0
MATT STREICHERTRUSTEE
Trustee or director
–$0
GREG ULREICHTRUSTEE
Trustee or director
–$0
AMY UNDERWOODVICE PRESIDE
Trustee or director, Officer
–$0
STEVE ZEHNERTRUSTEE
Trustee or director
–$0
990 for the year ended February 29, 2024: 11 people
NameTitleHours / weekCompensation
DAVID GORMANPRESIDENT
Trustee or director, Officer
–$0
GREG ULREICHTRUSTEE
Trustee or director
–$0
RICK FEDERIGHITRUSTEE
Trustee or director
–$0
JENNIFER HAMMERTRUSTEE
Trustee or director
–$0
DENNIS STREICHERTRUSTEE
Trustee or director
–$0
LARRY COXTRUSTEE
Trustee or director
–$0
ERIK NEIDYTRUSTEE
Trustee or director
–$0
AMY UNDERWOODVICE PRESIDE
Trustee or director, Officer
–$0
MARY BETH FALSEYTRUSTEE
Trustee or director
–$0
PINAKIN DESAISEC/TREAS
Trustee or director, Officer
–$0
STEVE ZEHNERTRUSTEE
Trustee or director
–$0

Address and contacts

Address (IRS master file)
10 S 404 KNOCH KNOLLS ROAD, NAPERVILLE, IL 60565-5447
In care of
% JOHN STEPHEN MCCRACKEN
Principal officer (990 for 2025)
AMY UNDERWOOD, 2710 CURTISS STREET, DOWNERS GROVE, IL 60515
Signed the 990
AMY UNDERWOOD, PRESIDENT
Phone
(630) 428-4500
Return prepared by
LAUTERBACH & AMEN LLP

Mission

THE DUPAGE RIVER SALT CREEK WORKGROUP'S PRIMARY PURPOSE IS TO ASSIST LOCAL COMMUNITIES TO BETTER SELECT THE BEST MANAGEMENT PRACTICES TO IMPROVE WATER QUALITY ON THE EAST AND WEST BRANCHES OF THE DUPAGE RIVER AND SALT CREEK.

990 for the year ended February 28, 2026

Program accomplishments

  • IN RESPONSE TO CONCERNS ABOUT THE EAST & WEST BRANCH DUPAGE RIVER TOTAL MAXIMUM DAILY LOADS (TMDLS) AND THE SALT CREEK TMDL, A LOCAL GROUP OF COMMUNITIES PUBLICALLY OWNED TREATMENT WORKS AND ENVIRONMENTAL ORGANIZATIONS HAVE COME TOGETHER TO BETTER DETERMINE THE STRESSORS TO THE AQUATIC SYSTEMS THROUGH A LONG TERM WATER QUALITY MONITORING PROGRAM AND DEVELOP AND IMPLEMENT VIABLE IMPLEMENTATION PROJECTS TO ACCURATELY ADDRESS THE STRESSORS.
    Expenses $875,024

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

Tax yearYear endedDueIRS public records
2025February 28, 2026July 15, 2026990 on file
2024February 28, 2025July 15, 2025990 on file
2023February 29, 2024July 15, 2024990 on file

IRS record

EIN
56-2543795
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
2007
Accounting year ends
February
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C30)
Assets (IRS master file)
$11,213,024
Income (IRS master file)
$2,308,580

Filing history

FormYear endedRevenueExpensesAssetsReturn
990February 2026$2,308,580$930,153$11,213,024XML
990February 2025$2,276,504$679,597$9,834,148XML
990February 2024$2,231,856$1,946,820$8,237,241XML
990February 2023$2,570,877$802,181$7,952,205IRS
990February 2022–––IRS
990February 2021–––IRS
990February 2020–––IRS
990February 2019–––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 56-2543795).

Questions about THE DUPAGE RIVER SALT CREEK WORK GROUP

What is the EIN of THE DUPAGE RIVER SALT CREEK WORK GROUP?
The employer identification number (EIN) of THE DUPAGE RIVER SALT CREEK WORK GROUP is 56-2543795.
Is THE DUPAGE RIVER SALT CREEK WORK GROUP tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 2007.
Are donations to THE DUPAGE RIVER SALT CREEK WORK GROUP tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does THE DUPAGE RIVER SALT CREEK WORK GROUP 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 THE DUPAGE RIVER SALT CREEK WORK GROUP due?
The return for tax year 2026 (the year ending February 28, 2027) is due July 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did THE DUPAGE RIVER SALT CREEK WORK GROUP last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended February 2026.
Who is the principal officer of THE DUPAGE RIVER SALT CREEK WORK GROUP?
The 990 for the year ended February 28, 2026 names AMY UNDERWOOD.
Who are the officers and directors of THE DUPAGE RIVER SALT CREEK WORK GROUP?
The 990 for the year ended February 28, 2026 lists 13 people; 0 received compensation from the organization.
How much revenue does THE DUPAGE RIVER SALT CREEK WORK GROUP have?
On its 990 for the year ended February 28, 2026 it reported revenue of $2,308,580, expenses of $930,153 and total assets of $11,213,024 at year end.

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