Nonprofit · EIN 35-2031658
INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC
Tax-exempt · CHESTERTON, IN 46304
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 30, 2025 | 990 | $2,104,608 | $1,901,908 | $202,700 | $2,877,713 | $622,524 | $2,255,189 |
| September 30, 2024 | 990 | $1,673,766 | $1,719,023 | -$45,257 | $2,560,194 | $561,931 | $1,998,263 |
| September 30, 2023 | 990 | $1,497,835 | $1,579,991 | -$82,156 | $2,407,883 | $598,367 | $1,809,516 |
Financial details: 990 for the year ended September 30, 2025
Revenue
- Contributions, gifts and grants
- $1,387,378
- of which government grants
- $315,802
- Program service revenue
- $558,991
- Investment income
- $46,667
- Net income from fundraising events
- $111,572
- Other revenue
- $111,572
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $91,918
- Other salaries and wages
- $1,078,980
- Salaries, compensation and benefits (total)
- $1,286,805
- Professional fundraising fees
- $0
- Accounting fees
- $10,200
- Depreciation
- $17,444
- Program services (functional)
- $1,418,018
- Management and general (functional)
- $309,372
- Fundraising (functional)
- $174,518
Balance sheet and other
- Total assets, start of year
- $2,560,194
- Total assets, end of year
- $2,877,713
- Total liabilities, end of year
- $622,524
- Net assets, end of year
- $2,255,189
- Land, buildings and equipment
- $330,505
- Publicly traded securities
- $974,562
- Net assets without donor restrictions
- $1,711,294
- Net assets with donor restrictions
- $543,895
- Gross receipts
- $2,104,608
- Employees
- 34
- Volunteers
- 42
- Year formed
- 1997
- State of legal domicile
- IN
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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Heather Hahn Sullivan | Executive Director | 40 | $91,918 |
| MATT BENUS | President Trustee or director, Officer | 1 | $0 |
| MIKE LANCIONI | BOARD MEMBER Trustee or director | 1 | $0 |
| MILLICENT M MACON | BOARD MEMBER Trustee or director | 1 | $0 |
| BRIDGETTE MURRAY | BOARD MEMBER Trustee or director | 1 | $0 |
| DONNA COLEMAN | Vice President Trustee or director, Officer | 1 | $0 |
| MACK OVERTON | BOARD MEMBER Trustee or director | 1 | $0 |
| ROBERT RIVERS | BOARD MEMBER Trustee or director | 1 | $0 |
| YOLANDA STOFFREGEN | BOARD MEMBER Trustee or director | 1 | $0 |
| PATRICK CONRATH | BOARD MEMBER Trustee or director | 1 | $0 |
| JULIO TORRES | BOARD MEMBER Trustee or director | 1 | $0 |
| BECKY SHERMAN | BOARD MEMBER Trustee or director | 1 | $0 |
| BRAIN KORTUM | BOARD MEMBER Trustee or director | 1 | $0 |
| PAT SHRADER | BOARD MEMBER Trustee or director | 1 | $0 |
| CHRIS HOHAM | BOARD MEMBER Trustee or director | 1 | $0 |
7 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DAVID PHELPS | Treasurer Trustee or director, Officer | 1 | $0 |
| THERESA WEAKLAND | CO-CHAIR, DEVEL Trustee or director | 1 | $0 |
| JORY MATHEWS | Secretary Trustee or director, Officer | 1 | $0 |
| NINA DIAMOND | BOARD MEMBER Trustee or director | 1 | $0 |
| JON MICAH GOELLER | BOARD MEMBER Trustee or director | 1 | $0 |
| ANNE GROSS | BOARD MEMBER Trustee or director | 1 | $0 |
| PAIGE KURZ | BOARD MEMBER Trustee or director | 1 | $0 |
990 for the year ended September 30, 2024: 21 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Heather Hahn Sullivan | Executive Direc Officer | 40 | $88,255 |
| MATT BENUS | Board Member Trustee or director | 1 | $0 |
| MIKE LANCIONI | BOARD MEMBER Trustee or director | 1 | $0 |
| MILLICENT M MACON | BOARD MEMBER Trustee or director | 1 | $0 |
| BRIDGETTE MURRAY | BOARD MEMBER Trustee or director | 1 | $0 |
| DONNA COLEMAN | BOARD MEMBER Trustee or director, Officer | 1 | $0 |
| MACK OVERTON | BOARD MEMBER Trustee or director | 1 | $0 |
| ROBERT RIVERS | BOARD MEMBER Trustee or director | 1 | $0 |
| YOLANDA STOFFREGEN | BOARD MEMBER Trustee or director | 1 | $0 |
| PATRICK CONRATH | BOARD MEMBER Trustee or director | 1 | $0 |
| JULIO TORRES | BOARD MEMBER Trustee or director | 1 | $0 |
| RHIANNON UATOWSKI | BOARD MEMBER Trustee or director | 1 | $0 |
| BRAIN KORTUM | BOARD MEMBER Trustee or director | 1 | $0 |
| CHRIS HOHAM | Treasurer Trustee or director, Officer | 1 | $0 |
| DAVID PHELPS | board member Trustee or director, Officer | 1 | $0 |
| THERESA WEAKLAND | CO-CHAIR, DEVEL Trustee or director | 1 | $0 |
| JORY MATHEWS | Secretary Trustee or director, Officer | 1 | $0 |
| NINA DIAMOND | BOARD MEMBER Trustee or director | 1 | $0 |
| JON MICAH GOELLER | BOARD MEMBER Trustee or director | 1 | $0 |
| ANNE GROSS | BOARD MEMBER Trustee or director | 1 | $0 |
| PAIGE KRUTZ | BOARD MEMBER Trustee or director | 1 | $0 |
990 for the year ended September 30, 2023: 20 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Heather Hahn Sullivan | Executive Dir. Trustee or director | 40 | $84,399 |
| MATT BENUS | President Trustee or director, Officer | 1 | $0 |
| PAT CONRATH | BOARD MEMBER Trustee or director | 1 | $0 |
| NINA DIAMOND | BOARD MEMBER Trustee or director | 1 | $0 |
| ANNE GROSS | BOARD MEMBER Trustee or director | 1 | $0 |
| DONNA COLEMAN | Vice President Trustee or director, Officer | 1 | $0 |
| BRIDGETTE MURRAY | BOARD MEMBER Trustee or director | 1 | $0 |
| ROBERT RIVERS | BOARD MEMBER Trustee or director | 1 | $0 |
| JULIO TORRES | BOARD MEMBER Trustee or director | 1 | $0 |
| RHIANNON ULATOWSKI | BOARD MEMBER Trustee or director | 1 | $0 |
| NICK DERNIK | BOARD MEMBER Trustee or director | 1 | $0 |
| CAROLYN MCCLINTON | BOARD MEMBER Trustee or director | 1 | $0 |
| DOUGLAS WASSILAK | Secretary Trustee or director, Officer | 1 | $0 |
| BRIAN KORTUM | Board Member Trustee or director | 1 | $0 |
| MICHELE MURDAY PARISO | BOARD MEMBER Trustee or director | 1 | $0 |
| CHRIS HOHAM | BOARD MEMBER Trustee or director | 1 | $0 |
| BILL PAYONK | Board Member Trustee or director | 1 | $0 |
| DAVID PHELPS | Treasurer Trustee or director, Officer | 1 | $0 |
| GREG QUARTUCCI | BOARD MEMBER Trustee or director | 1 | $0 |
| THERESA WEAKLAND | BOARD MEMBER Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 700 HOWE RD, CHESTERTON, IN 46304-8932
- Principal officer (990 for 2024)
- Heather Hahn Sullivan
- Signed the 990
- Heather Hahn Sullivan, Executive Direc
- Phone
- (219) 395-9555
- Website
- WWW.DUNESLEARNINGCENTER.ORG
- Return prepared by
- Wieland Wallace Inc
Mission
TO PROMOTE ENVIRONMENTAL EDUCATION, STEWARDSHIP OF NATURAL RESOURCES, SUSTAINABLE DEVELOPMENT, AND ENHANCED QUALITY OF LIFE.
Program accomplishments
- PROMOTES ELEMENTARY, MIDDLE AND JUNIOR HIGH SCHOOL CLASSES WITH A HANDS-ON LEARNING EXPERIENCE IN AN OUTDOOR SETTING AS PART OF A MULTI-DISCIPLINE CURRICULUM. PROVIDES AN EDUCATION IN ECOLOGICAL AND ENVIRONMENTAL CONCEPTS.Expenses $1,418,018 · revenue $558,991
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 16, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 17, 2026 | 990 on file |
| 2023 | September 30, 2024 | February 18, 2025 | 990 on file |
IRS record
- EIN
- 35-2031658
- 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
- 1998
- Accounting year ends
- September
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C600)
- Assets (IRS master file)
- $2,877,713
- Income (IRS master file)
- $2,104,608
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | September 2025 | $2,104,608 | $1,901,908 | $2,877,713 | XML |
| 990 | September 2024 | $1,673,766 | $1,719,023 | $2,560,194 | XML |
| 990 | September 2023 | $1,497,835 | $1,579,991 | $2,407,883 | XML |
| 990 | September 2022 | $1,368,993 | $1,232,774 | $2,357,277 | IRS |
| 990 | September 2021 | – | – | – | IRS |
| 990 | September 2020 | – | – | – | IRS |
| 990 | September 2019 | – | – | – | IRS |
| 990 | September 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 35-2031658).
Questions about INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC
- What is the EIN of INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC?
- The employer identification number (EIN) of INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC is 35-2031658.
- Is INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
- Are donations to INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC 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 INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC 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 INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC 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 INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC?
- The 990 for the year ended September 30, 2025 names Heather Hahn Sullivan.
- Who are the officers and directors of INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC?
- The 990 for the year ended September 30, 2025 lists 22 people; 1 received compensation from the organization, the highest $91,918 (Heather Hahn Sullivan, Executive Director).
- How much revenue does INDIANA DUNES ENVIRONMENTAL LEARNING CENTER INC have?
- On its 990 for the year ended September 30, 2025 it reported revenue of $2,104,608, expenses of $1,901,908 and total assets of $2,877,713 at year end.
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