Nonprofit · EIN 41-1659809
LAKE SUPERIOR CENTER
Tax-exempt · DULUTH, MN 55802
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $4,279,361 | $4,282,186 | -$2,825 | $2,385,329 | $1,038,138 | $1,347,191 |
| December 31, 2024 | 990 | $4,418,662 | $4,009,420 | $409,242 | $2,399,945 | $1,049,927 | $1,350,018 |
| December 31, 2023 | 990 | $3,681,433 | $3,640,872 | $40,561 | $2,155,122 | $1,214,346 | $940,776 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $625,363
- of which government grants
- $499,376
- Program service revenue
- $3,001,971
- Investment income
- $9,125
- Net rental income
- $105,385
- Net income from gaming
- $3,910
- Net income from sales of inventory
- $290,222
- Other revenue
- $642,902
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $279,075
- Other salaries and wages
- $1,568,437
- Salaries, compensation and benefits (total)
- $2,480,204
- Professional fundraising fees
- $0
- Legal fees
- $1,309
- Accounting fees
- $14,550
- Occupancy
- $420,370
- Travel
- $26,722
- Depreciation
- $378,979
- Program services (functional)
- $3,800,439
- Management and general (functional)
- $440,110
- Fundraising (functional)
- $41,637
Balance sheet and other
- Total assets, start of year
- $2,399,945
- Total assets, end of year
- $2,385,329
- Total liabilities, end of year
- $1,038,138
- Net assets, end of year
- $1,347,191
- Land, buildings and equipment
- $1,475,381
- Net assets without donor restrictions
- $1,311,141
- Net assets with donor restrictions
- $36,050
- Gross unrelated business income
- $21,980
- Gross receipts
- $5,067,310
- Employees
- 111
- Volunteers
- 160
- Year formed
- 1989
- State of legal domicile
- MN
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 December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| JAY WALKER | EXECUTIVE DIRECTOR Officer | 40 | $124,493 | $28,222 |
| ANNIE THORS | DIRECTOR OF FINANCE Officer | 40 | $97,052 | $29,308 |
| JEFF BORLING | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| JANNIFER DAVID | VICE CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| SANDY HOFF | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| MARK BRITTON | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| MOLLY GOLDFINE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| DOUG JENSEN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ROSIE LOEFFLER-KEMP | DIRECTOR Trustee or director | 1 | $0 | $0 |
| NORA ROSEMORE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| NATHAN SMITH | DIRECTOR Trustee or director | 1 | $0 | $0 |
| TARA SWENSON | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KELSEY TAYLOR | DIRECTOR Trustee or director | 1 | $0 | $0 |
| TERESE TOMANEK | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ERIN KREEGER | DIRECTOR Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2024: 15 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| JAY WALKER | EXECUTIVE DIRECTOR Officer | 40 | $118,274 | $32,875 |
| ANNIE THORS | DIRECTOR OF FINANCE Officer | 40 | $91,732 | $22,523 |
| JEFF BORLING | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| JANNIFER DAVID | VICE CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| SANDY HOFF | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| MARK BRITTON | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| MOLLY GOLDFINE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| DOUG JENSEN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ROSIE LOEFFLER-KEMP | DIRECTOR Trustee or director | 1 | $0 | $0 |
| NORA ROSEMORE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| NATHAN SMITH | DIRECTOR Trustee or director | 1 | $0 | $0 |
| TARA SWENSON | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KELSEY TAYLOR | DIRECTOR Trustee or director | 1 | $0 | $0 |
| TERESE TOMANEK | DIRECTOR Trustee or director | 1 | $0 | $0 |
| SHERYL WILLIAMS | DIRECTOR (THRU 9/2024) Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2023: 16 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| JAY WALKER | EXECUTIVE DIRECTOR Officer | 40 | $112,202 | $33,555 |
| ANNIE THORS | DIRECTOR OF FINANCE Officer | 40 | $86,538 | $15,783 |
| HEATHER MUSTER | CHAIR (THRU DEC. 23') Trustee or director, Officer | 1 | $0 | $0 |
| TODD FEDORA | TREASURER (THRU DEC. 23') Trustee or director, Officer | 1 | $0 | $0 |
| AZRIN AWAL | DIRECTOR (THRU DEC. 23') Trustee or director | 1 | $0 | $0 |
| MARK BRITTON | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JEFF BORLING | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MOLLY GOLDFINE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| SANDY HOFF | DIRECTOR Trustee or director | 1 | $0 | $0 |
| DOUG JENSEN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ROSIE LOEFFLER-KEMP | DIRECTOR Trustee or director | 1 | $0 | $0 |
| NORA ROSEMORE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| NATHAN SMITH | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KELSEY TAYLOR | DIRECTOR Trustee or director | 1 | $0 | $0 |
| TERESE TOMANEK | DIRECTOR Trustee or director | 1 | $0 | $0 |
| SHERYL WILLIAMS | DIRECTOR Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 353 HARBOR DR, DULUTH, MN 55802-2639
- Principal officer (990 for 2025)
- JAY WALKER, 353 HARBOR DRIVE, DULUTH, MN 55802
- Signed the 990
- JAY WALKER, EXECUTIVE DIRECTOR
- Phone
- (218) 740-3474
- Website
- WWW.GLAQUARIUM.ORG
- Return prepared by
- WIPFLI ADVISORY LLC
Mission
TO ENGAGE AND INSPIRE, ENCOURAGING STEWARDSHIP OF WILDLIFE AND WATER.
Program accomplishments
- CURATORIAL OPERATIONS: MAINTAINED LAKE SUPERIOR CENTER FACILITIES OPERATIONS. WE WELCOMED 235,282 GUESTS INTO OUR FACILITY, ONE OF OUR BIGGEST YEARS ON RECORD. WE FINISHED REMODELING OUR SECOND FLOOR ORIGINS EXHIBIT TO BECOME "LAVA TO LAKES" (OPENED IN MAY 2025).Expenses $3,164,040 · revenue $2,791,833
- EDUCATION - LAKE SUPERIOR CENTER OFFERS PUBLIC PROGRAMS TO RAISE AWARENESS OF FRESHWATER ENVIRONMENTAL ISSUES. WE HAD APPROXIMATELY 13,400 ATTENDEES FOR EDUCATIONAL PROGRAMS.Expenses $636,399 · revenue $210,138
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 41-1659809
- 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
- 1989
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C600)
- Assets (IRS master file)
- $2,385,329
- Income (IRS master file)
- $5,067,310
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $4,279,361 | $4,282,186 | $2,385,329 | XML |
| 990-T | December 2025 | – | – | – | IRS |
| 990 | December 2024 | $4,418,662 | $4,009,420 | $2,399,945 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $3,681,433 | $3,640,872 | $2,155,122 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $3,487,177 | $3,561,451 | $2,089,642 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 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 41-1659809).
Questions about LAKE SUPERIOR CENTER
- What is the EIN of LAKE SUPERIOR CENTER?
- The employer identification number (EIN) of LAKE SUPERIOR CENTER is 41-1659809.
- Is LAKE SUPERIOR CENTER tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
- Are donations to LAKE SUPERIOR CENTER tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does LAKE SUPERIOR CENTER 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 LAKE SUPERIOR CENTER 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 LAKE SUPERIOR CENTER last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of LAKE SUPERIOR CENTER?
- The 990 for the year ended December 31, 2025 names JAY WALKER.
- Who are the officers and directors of LAKE SUPERIOR CENTER?
- The 990 for the year ended December 31, 2025 lists 15 people; 2 received compensation from the organization, the highest $124,493 (JAY WALKER, EXECUTIVE DIRECTOR).
- How much revenue does LAKE SUPERIOR CENTER have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $4,279,361, expenses of $4,282,186 and total assets of $2,385,329 at year end.
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