Nonprofit · EIN 36-3599183
SOUTH DAKOTA DISCOVERY CENTER
Tax-exempt · PIERRE, SD 57501
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $851,464 | $610,680 | $240,784 | $460,029 | $309,216 | $150,813 |
| December 31, 2024 | 990 | $773,161 | $844,919 | -$71,758 | $517,668 | $559,111 | -$41,443 |
| December 31, 2023 | 990 | $719,268 | $750,777 | -$31,509 | $466,938 | $352,122 | $114,816 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $586,388
- of which government grants
- $202,333
- Membership dues
- $18,190
- Program service revenue
- $113,944
- Investment income
- $9,076
- Net gain from sales of assets
- $2,484
- Net income from sales of inventory
- -$4,736
- Other revenue
- $142,056
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Other salaries and wages
- $353,388
- Salaries, compensation and benefits (total)
- $406,009
- Professional fundraising fees
- $0
- Accounting fees
- $27,975
- Travel
- $16,875
- Depreciation
- $9,237
- Program services (functional)
- $247,414
- Management and general (functional)
- $363,266
Balance sheet and other
- Total assets, start of year
- $517,668
- Total assets, end of year
- $460,029
- Total liabilities, end of year
- $309,216
- Net assets, end of year
- $150,813
- Land, buildings and equipment
- $21,436
- Net assets without donor restrictions
- $150,813
- Gross receipts
- $856,216
- Employees
- 22
- Year formed
- 1988
- State of legal domicile
- SD
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 |
|---|---|---|---|
| ANDY BRUELS | Director Trustee or director, Officer | 0 | $0 |
| KRISTI HONEYWELL | Director Trustee or director | 0 | $0 |
| BLAKE SEVERYN | Director Trustee or director, Officer | 0 | $0 |
| PEGGY CRUSE | Secretary Trustee or director | 0 | $0 |
| CLARISSA DREFS | President Trustee or director | 0 | $0 |
| SARAH WELLNER | Treasurer Trustee or director | 0 | $0 |
| YOLANDA SUNG | Director Trustee or director | 0 | $0 |
| MURRAY THOMPSON | Director Trustee or director | 0 | $0 |
| ANNE LEWIS | Executive Dir. Trustee or director | 0 | $0 |
990 for the year ended December 31, 2024: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ANDY BRUELS | Director Trustee or director, Officer | 0 | $0 |
| KRISTI HONEYWELL | Director Trustee or director | 0 | $0 |
| BLAKE SEVERYN | Director Trustee or director, Officer | 0 | $0 |
| PEGGY CRUSE | Secretary Trustee or director | 0 | $0 |
| CLARISSA DREFS | President Trustee or director | 0 | $0 |
| SARAH WELLNER | Treasurer Trustee or director | 0 | $0 |
| YOLANDA SUNG | Director Trustee or director | 0 | $0 |
| MURRAY THOMPSON | Director Trustee or director | 0 | $0 |
| ANNE LEWIS | Executive Dir. Trustee or director | 0 | $0 |
990 for the year ended December 31, 2023: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ANDY BRUELS | Treasurer Trustee or director, Officer | 0 | $0 |
| KRISTI HONEYWELL | Director Trustee or director | 0 | $0 |
| BLAKE SEVERYN | President Trustee or director, Officer | 0 | $0 |
| CHRISTIAN SKUNK | Executive Dir. Trustee or director, Officer | 0 | $0 |
| TROY WIEBE | Secretary Trustee or director, Officer | 0 | $0 |
| SARAH BAD WARRIOR VROOMAN | Director Trustee or director | 0 | $0 |
| PEGGY CRUSE | Director Trustee or director | 0 | $0 |
| RICK HAHN | Director Trustee or director | 0 | $0 |
| MERIDITH LEE | Director Trustee or director | 0 | $0 |
| LAUREN FORSCH | Director Trustee or director | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 805 W SIOUX AVE, PIERRE, SD 57501-1858
- Signed the 990
- CLARISSA DREFS, President
- Phone
- (605) 224-8295
- Website
- SD-DISCOVERY.ORG
- Return prepared by
- Limestone Inc
Mission
THE SD DISCOVERY CENTER EMPOWERS ALL PEOPLES OF THE GREAT PLAINS THROUGH HANDS-ON EXPERIENCES THAT INSPIRE SCIENTIFIC THINGS
Program accomplishments
- THE ORGANIZATION FOSTERS PUBLIC UNDERSTANDING, HANDS-ON PHYSICAL SCIENCE EXPERIENCE AND ENJOYMENT OF SCIENTIFIC PHENOMENA THROUGH EXHIBITS OPEN TO THE PUBLICExpenses $247,414 · revenue $313,285
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
- 36-3599183
- 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
- 1988
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Animal-related (D500)
- Assets (IRS master file)
- $460,029
- Income (IRS master file)
- $856,216
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $851,464 | $610,680 | $460,029 | XML |
| 990 | December 2024 | $773,161 | $844,919 | $517,668 | XML |
| 990 | December 2023 | $719,268 | $750,777 | $466,938 | XML |
| 990 | December 2022 | $573,728 | $643,681 | $97,813 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | 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 36-3599183).
Questions about SOUTH DAKOTA DISCOVERY CENTER
- What is the EIN of SOUTH DAKOTA DISCOVERY CENTER?
- The employer identification number (EIN) of SOUTH DAKOTA DISCOVERY CENTER is 36-3599183.
- Is SOUTH DAKOTA DISCOVERY CENTER tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1988.
- Are donations to SOUTH DAKOTA DISCOVERY CENTER tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SOUTH DAKOTA DISCOVERY 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 SOUTH DAKOTA DISCOVERY 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 SOUTH DAKOTA DISCOVERY CENTER last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who are the officers and directors of SOUTH DAKOTA DISCOVERY CENTER?
- The 990 for the year ended December 31, 2025 lists 9 people; 0 received compensation from the organization.
- How much revenue does SOUTH DAKOTA DISCOVERY CENTER have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $851,464, expenses of $610,680 and total assets of $460,029 at year end.
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