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Nonprofit · EIN 82-1370659

LOWER DESPLAINES WATERSHED GROUP

Tax-exempt · NAPERVILLE, IL 60565

Financials

$420K$344K2022$456K$383K2023$484K$524K2024$493K$625K2025
Revenue Expenses · by fiscal year end
Financials of LOWER DESPLAINES WATERSHED GROUP by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
February 28, 2026990$492,755$624,771-$132,016$382,087$0$382,087
February 28, 2025990$484,011$523,528-$39,517$514,103$0$514,103
February 29, 2024990$455,547$382,901$72,646$553,620$0$553,620
February 28, 2023990$419,580$343,855$75,725$480,974$0$480,974
Financial details: 990 for the year ended February 28, 2026

Revenue

Contributions, gifts and grants
$479,863
Membership dues
$479,863
Program service revenue
$0
Investment income
$12,892
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$6,350
Travel
$992
Program services (functional)
$615,907
Management and general (functional)
$8,864

Balance sheet and other

Total assets, start of year
$514,103
Total assets, end of year
$382,087
Total liabilities, end of year
$0
Net assets, end of year
$382,087
Net assets without donor restrictions
$382,087
Gross receipts
$492,755
Employees
0
Volunteers
6
Year formed
2017
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
ZACHARY BROWNDIRECTOR
Trustee or director
1$0
EDWARD DOLEZALVICE PRESIDE
Trustee or director, Officer
1$0
DUSTIN GALLAGHERDIRECTOR
Trustee or director
1$0
PETE GROSSIDIRECTOR
Trustee or director
1$0
KEITH MCKEENSECRETARY/TR
Trustee or director, Officer
1$0
ALLISON SWISHERPRESIDENT
Trustee or director, Officer
1$0
990 for the year ended February 28, 2025: 6 people
NameTitleHours / weekCompensation
ZACHARY BROWNDIRECTOR
Trustee or director
–$0
ED DOLEZALVICE PRESIDE
Trustee or director, Officer
–$0
DUSTIN GALLAGHERDIRECTOR
Trustee or director
–$0
PETE GROSSIDIRECTOR
Trustee or director
–$0
KEITH MCKEENSECRETARY/TR
Trustee or director, Officer
–$0
ALLISON SWISHERPRESIDENT
Trustee or director, Officer
–$0
990 for the year ended February 29, 2024: 6 people
NameTitleHours / weekCompensation
ZACHARY BROWNDIRECTOR
Trustee or director
1$0
ED DOLEZALVICE PRESIDE
Trustee or director, Officer
1$0
DUSTIN GALLAGHERDIRECTOR
Trustee or director
1$0
PETE GROSSIDIRECTOR
Trustee or director
1$0
KEITH MCKEENSECRETARY/TR
Trustee or director, Officer
1$0
ALLISON SWISHERPRESIDENT
Trustee or director, Officer
1$0
990 for the year ended February 28, 2023: 6 people
NameTitleHours / weekCompensation
ED DOLEZALDIRECTOR
Trustee or director
1$0
DUSTIN GALLAGHERDIRECTOR
Trustee or director
1$0
PETE GROSSIDIRECTOR
Trustee or director
1$0
KEITH MCKEENSECRETARY/TR
Trustee or director, Officer
1$0
MARK SIEFERTVICE PRESIDE
Trustee or director, Officer
1$0
ALLISON SWISHERPRESIDENT
Trustee or director, Officer
1$0

Address and contacts

Address (IRS master file)
10S404 KNOCH KNOLLS ROAD, NAPERVILLE, IL 60565-5447
In care of
% JENNIFER HAMMER
Principal officer (990 for 2025)
ALLISON SWISHER, 150 W JEFFERSON STREET, JOLIET, IL 60432
Signed the 990
ALLISON SWISHER, PRESIDENT
Phone
(630) 428-4500
Return prepared by
LAUTERBACH & AMEN LLP

Mission

THE LOWER DES PLAINES WATERSHED GROUP (LDWG) IS ORGANIZED EXCLUSIVELY FOR CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES. ITS MISSION IS TO BRING TOGETHER A COALITION OF STAKE HOLDERS TO PRESERVE AND ENHANCE WATER QUALITY AND STREAM RESOURCE QUALITY IN THE LOWER DESPLAINES RIVER AND ITS TRIBUTARIES.

990 for the year ended February 28, 2026

Program accomplishments

  • NUTRIENT ASSESSMENT & REDUCTION PLAN (NARP) UTILIZES DATA COLLECTED AND OTHER INFORMATION TO IDENTIFY ACTIONS NEEDED TO REDUCE NUTRIENT RELATED IMPACTS TO LOCAL STREAMS AS WELL AS GULF OF MEXICO.
    Expenses $312,407
  • BIOASSESSMENT MONITORING PROGRAM, COLLECTING BIOLOGICAL, CHEMICAL AND HABITAT DATA FROM NEARLY 150 STATIONS ACROSS THE WATERSHED OVER A FIVE-YEAR CYCLE.
    Expenses $294,517
  • CHLORIDE TLWQS, THE TIME-LIMITED WATER QUALITY STANDARD FOR CHLORIDES FOCUSES ON REDUCING THE AMOUNT OF CHLORIDES REACHING WATERWAYS THROUGH THE USE OF BEST MANAGEMENT PRACTICES.
    Expenses $8,983

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
82-1370659
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
2019
Accounting year ends
February
Files
Form 990 or 990-EZ
Assets (IRS master file)
$382,087
Income (IRS master file)
$492,755

Filing history

FormYear endedRevenueExpensesAssetsReturn
990February 2026$492,755$624,771$382,087XML
990February 2025$484,011$523,528$514,103XML
990February 2024$455,547$382,901$553,620XML
990February 2023$419,580$343,855$480,974XML
990February 2022$552,825$486,520$407,748IRS
990February 2021–––IRS
990February 2020–––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 82-1370659).

Questions about LOWER DESPLAINES WATERSHED GROUP

What is the EIN of LOWER DESPLAINES WATERSHED GROUP?
The employer identification number (EIN) of LOWER DESPLAINES WATERSHED GROUP is 82-1370659.
Is LOWER DESPLAINES WATERSHED GROUP tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to LOWER DESPLAINES WATERSHED GROUP tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does LOWER DESPLAINES WATERSHED 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 LOWER DESPLAINES WATERSHED 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 LOWER DESPLAINES WATERSHED 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 LOWER DESPLAINES WATERSHED GROUP?
The 990 for the year ended February 28, 2026 names ALLISON SWISHER.
Who are the officers and directors of LOWER DESPLAINES WATERSHED GROUP?
The 990 for the year ended February 28, 2026 lists 6 people; 0 received compensation from the organization.
How much revenue does LOWER DESPLAINES WATERSHED GROUP have?
On its 990 for the year ended February 28, 2026 it reported revenue of $492,755, expenses of $624,771 and total assets of $382,087 at year end.

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