Nonprofit · EIN 81-0512321
CENTER FOR SCIENCE IN PUBLIC PARTICIPATION
Tax-exempt · BOZEMAN, MT 59715
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $274,535 | $157,198 | $117,337 | $1,330,683 | $0 | $1,330,683 |
| December 31, 2024 | 990 | $150,621 | $161,050 | -$10,429 | $1,212,482 | $0 | $1,212,482 |
| December 31, 2023 | 990 | $325,220 | $150,991 | $174,229 | $1,225,040 | $0 | $1,225,040 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $180,280
- Program service revenue
- $50,333
- Investment income
- $43,922
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $99,344
- Other salaries and wages
- $3,480
- Salaries, compensation and benefits (total)
- $110,441
- Professional fundraising fees
- $0
- Accounting fees
- $3,287
- Travel
- $7,562
- Program services (functional)
- $94,518
- Management and general (functional)
- $56,642
- Fundraising (functional)
- $6,038
Balance sheet and other
- Total assets, start of year
- $1,212,482
- Total assets, end of year
- $1,330,683
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,330,683
- Net assets without donor restrictions
- $1,090,798
- Net assets with donor restrictions
- $239,885
- Gross receipts
- $274,535
- Employees
- 2
- Volunteers
- 0
- Year formed
- 1996
- State of legal domicile
- MT
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 |
|---|---|---|---|---|
| David M Chambers | President Trustee or director, Officer, Highest-paid employee | 40 | $85,000 | $14,345 |
| Alan Young | Board Chair Trustee or director, Officer | 1 | $0 | $0 |
| Anna Cederstav | Board Member Trustee or director | 1 | $0 | $0 |
| Jill Weitz | Secretary Trustee or director, Officer | 1 | $0 | $0 |
| Ann Maest | Board Vice-Chair Trustee or director, Officer | 1 | $0 | $0 |
| David Secord | Board Member Trustee or director | 1 | $0 | $0 |
| Cameron Wobus | Board Member Trustee or director | 1 | $0 | $0 |
| Sarah Kliegman | Board Member Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2024: 9 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| David M Chambers | President Trustee or director, Officer, Highest-paid employee | 40 | $85,000 | $15,949 |
| Alan Young | Board Chair Trustee or director, Officer | 1 | $0 | $0 |
| Anna Cederstav | Board Member Trustee or director | 1 | $0 | $0 |
| Glenn Miller | Treasurer Trustee or director, Officer | 1 | $0 | $0 |
| Jill Weitz | Secretary Trustee or director, Officer | 1 | $0 | $0 |
| Ann Maest | Board Vice-Chair Trustee or director, Officer | 1 | $0 | $0 |
| David Secord | Board Member Trustee or director | 1 | $0 | $0 |
| Cameron Wobus | Board Member Trustee or director | 1 | $0 | $0 |
| Sarah Kleigman | Board Member Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2023: 9 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| David M Chambers | President Trustee or director, Officer, Highest-paid employee | 40 | $85,000 | $13,329 |
| Alan Young | Board Chair Trustee or director, Officer | 1 | $0 | $0 |
| Anna Cederstav | Board Vice-Chair Trustee or director, Officer | 1 | $0 | $0 |
| Glenn Miller | Treasurer Trustee or director, Officer | 1 | $0 | $0 |
| Jill Weitz | Secretary Trustee or director, Officer | 1 | $0 | $0 |
| Ann Maest | Board Member Trustee or director | 1 | $0 | $0 |
| David Secord | Board Member Trustee or director | 1 | $0 | $0 |
| Cameron Wobus | Board Member Trustee or director | 1 | $0 | $0 |
| Sarah Kleigman | Board Member Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 224 N CHURCH AVE, BOZEMAN, MT 59715-3706
- Principal officer (990 for 2025)
- David M Chambers, 224 North Church Avenue, Bozeman, MT 59715
- Signed the 990
- David Chambers, President
- Phone
- (406) 585-9854
- Website
- www.csp2.org
Mission
Provide technical assistance to public interest groups and tribal governments on the impacts of mining on water, air, land and other public resources.
Program accomplishments
- Alaska Technical Support: Provided technical analysis for public interest groups in central and southeast Alaska.Expenses $3,517 · revenue $1,873
- US Mining Technical Support: Review of technical documents on mine planning and geochemistry, public presentations on technical information related to mines in Montana (Zortman-Landusky mine), Arizona (Copper World Project), Minnesota (Twin Metals mines), and others.Expenses $36,899 · revenue $19,649
- International Mining Technical Support: Conducted research on tailings dam failures. Provided technical assistance to the Tr'ondek Hwech'in First Nation on the Clinton Creek mine, technical comments on the Eskay Creek Mine in British Columbia, and technical analysis of British Columbia mines in watersheds that enter Alaska, and others.Expenses $54,102 · revenue $28,810
- NA0
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
- 81-0512321
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1997
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C023)
- Assets (IRS master file)
- $1,330,683
- Income (IRS master file)
- $274,535
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $274,535 | $157,198 | $1,330,683 | XML |
| 990 | December 2024 | $150,621 | $161,050 | $1,212,482 | XML |
| 990 | December 2023 | $325,220 | $150,991 | $1,225,040 | XML |
| 990 | December 2022 | $193,518 | $123,262 | $1,046,858 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 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 81-0512321).
Questions about CENTER FOR SCIENCE IN PUBLIC PARTICIPATION
- What is the EIN of CENTER FOR SCIENCE IN PUBLIC PARTICIPATION?
- The employer identification number (EIN) of CENTER FOR SCIENCE IN PUBLIC PARTICIPATION is 81-0512321.
- Is CENTER FOR SCIENCE IN PUBLIC PARTICIPATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1997.
- Are donations to CENTER FOR SCIENCE IN PUBLIC PARTICIPATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does CENTER FOR SCIENCE IN PUBLIC PARTICIPATION 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 CENTER FOR SCIENCE IN PUBLIC PARTICIPATION 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 CENTER FOR SCIENCE IN PUBLIC PARTICIPATION 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 CENTER FOR SCIENCE IN PUBLIC PARTICIPATION?
- The 990 for the year ended December 31, 2025 names David M Chambers.
- Who are the officers and directors of CENTER FOR SCIENCE IN PUBLIC PARTICIPATION?
- The 990 for the year ended December 31, 2025 lists 8 people; 1 received compensation from the organization, the highest $85,000 (David M Chambers, President).
- How much revenue does CENTER FOR SCIENCE IN PUBLIC PARTICIPATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $274,535, expenses of $157,198 and total assets of $1,330,683 at year end.
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