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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 84-3404766

BLACK HILLS CAVE AND NATURE CONSERVANCY

Also known as BHCNC

Tax-exempt · RAPID CITY, SD 57709

Financials

$172K$4K2023$20K$1K2024$34K$2K2025
Revenue Expenses · by fiscal year end
Financials of BLACK HILLS CAVE AND NATURE CONSERVANCY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$33,504$1,773$31,731$228,951$114$228,837
December 31, 2024990-EZ$20,175$1,350$18,825$197,106–$197,106
December 31, 2023990-EZ$172,011$3,557$168,454$178,281–$178,281
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$29,462
Investment income
$4,042

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$544
Occupancy
$1,029
Printing, publications and postage
$200

Balance sheet and other

Total assets, start of year
$197,106
Total assets, end of year
$228,951
Total liabilities, end of year
$114
Net assets, end of year
$228,837
Cash, savings and investments
$103,813
Land and buildings
$125,138
Gross receipts
$33,504

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Dean FaustChair3$0
Adam WeaverVice Chair2$0
Rene OhmsSecretary/Treasurer5$0
990-EZ for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
Dean FaustChair3$0
Adam WeaverVice Chair2$0
Rene OhmsSecretary/Treasurer5$0
990-EZ for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
Dean FaustChair3$0
Adam WeaverVice Chair2$0
Rene OhmsSecretary/Treasurer5$0

Address and contacts

Address (IRS master file)
PO BOX 234, RAPID CITY, SD 57709-0234
Mailing address (990-N for 2022)
PO Box 234, Rapid City SD 57709
Principal officer (990-N for 2022)
Dean Faust, 819 Enchanted Pines Drive, Rapid City SD 57701
Signed the 990-EZ
Rene Ohms, Treasurer
Return prepared by
EMH Consulting

Mission

Conserve, restore and preserve cave and karst resources

990-EZ for the year ended December 31, 2025

Program accomplishments

  • Scientific sutdy and public education of biology, geoloy and cartography in relation to cave resources, protected cave and karst resources to support surface and groundwater resources.

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-N for BLACK HILLS CAVE AND NATURE CONSERVANCY

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
84-3404766
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
2020
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C99)
Assets (IRS master file)
$228,951
Income (IRS master file)
$33,504

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$33,504$1,773$228,951XML
990-EZDecember 2024$20,175$1,350$197,106IRS
990-EZDecember 2023$172,011$3,557$178,281XML
990-N for 2022
Officer: Dean Faust
December 31, 2022≤ $50,000 receipts––e-Postcard
990-EZDecember 2021–––IRS
990-N for 2019
Officer: Dean Faust
December 31, 2019≤ $50,000 receipts––e-Postcard

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 84-3404766).

Questions about BLACK HILLS CAVE AND NATURE CONSERVANCY

What is the EIN of BLACK HILLS CAVE AND NATURE CONSERVANCY?
The employer identification number (EIN) of BLACK HILLS CAVE AND NATURE CONSERVANCY is 84-3404766.
Is BLACK HILLS CAVE AND NATURE CONSERVANCY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
Are donations to BLACK HILLS CAVE AND NATURE CONSERVANCY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does BLACK HILLS CAVE AND NATURE CONSERVANCY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of BLACK HILLS CAVE AND NATURE CONSERVANCY 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 BLACK HILLS CAVE AND NATURE CONSERVANCY last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who is the principal officer of BLACK HILLS CAVE AND NATURE CONSERVANCY?
The 990-N for 2022 names Dean Faust.
Who are the officers and directors of BLACK HILLS CAVE AND NATURE CONSERVANCY?
The 990-EZ for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does BLACK HILLS CAVE AND NATURE CONSERVANCY have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $33,504, expenses of $1,773 and total assets of $228,951 at year end.

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