Nonprofit · EIN 20-1941686
BOSTON GROUND WATER TRUST
Also known as MITCHELL TIM ET AL TTEE
Tax-exempt · BOSTON, MA 02116
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $273,315 | $223,682 | $49,633 | $1,073,856 | $3,186 | $1,070,670 |
| June 30, 2024 | 990 | $277,000 | $227,759 | $49,241 | $1,023,915 | $2,878 | $1,021,037 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $248,000
- of which government grants
- $248,000
- Program service revenue
- $0
- Investment income
- $25,315
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $120,582
- Other salaries and wages
- $7,333
- Salaries, compensation and benefits (total)
- $151,199
- Professional fundraising fees
- $0
- Accounting fees
- $7,500
- Occupancy
- $18,068
- Depreciation
- $14,466
- Program services (functional)
- $123,513
- Management and general (functional)
- $100,169
Balance sheet and other
- Total assets, start of year
- $1,023,915
- Total assets, end of year
- $1,073,856
- Total liabilities, end of year
- $3,186
- Net assets, end of year
- $1,070,670
- Land, buildings and equipment
- $21,700
- Publicly traded securities
- $549,932
- Net assets without donor restrictions
- $1,070,670
- Gross receipts
- $478,315
- Employees
- 3
- Volunteers
- 0
- Year formed
- 1986
- State of legal domicile
- MA
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| CHRISTIAN SIMONELLI | EXECUTIVE DIRECTOR Officer | 40 | $120,120 | $6,000 |
| SHARON DURKAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| AARON MICHLEWITZ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ANGIE LIOU | TRUSTEE Trustee or director | 1 | $0 | $0 |
| GARY SAUNDERS | TRUSTEE, CO-CHAIR Trustee or director | 5 | $0 | $0 |
| PETER SHILLAND | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JANINE COMMERFORD | TRUSTEE, SECRETARY Trustee or director | 1 | $0 | $0 |
| ROBERT WHITNEY | TRUSTEE-TREASURER Trustee or director | 5 | $0 | $0 |
| BEATRICE NESSEN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ELLIOTT LAFFER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KATE ENGLAND | TRUSTEE Trustee or director | 1 | $0 | $0 |
| HENRY VITALE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALICE BROWN | TRUSTEE Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2024: 12 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| CHRISTIAN SIMONELLI | EXECUTIVE DIRECTOR Officer | 40 | $115,694 | $5,650 |
| SHARON DURKAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| AARON MICHLEWITZ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ANGIE LIOU | TRUSTEE Trustee or director | 1 | $0 | $0 |
| GARY SAUNDERS | TRUSTEE, CO-CHAIR Trustee or director | 5 | $0 | $0 |
| PETER SHILLAND | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JANINE COMMERFORD | TRUSTEE, SECRETARY Trustee or director | 1 | $0 | $0 |
| ROBERT WHITNEY | TRUSTEE-TREASURER Trustee or director | 5 | $0 | $0 |
| NICK PITTMAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| BEATRICE NESSEN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ELLIOTT LAFFER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KATE ENGLAND | TRUSTEE Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 229 BERKELEY ST 410, BOSTON, MA 02116-3724
- Principal officer (990 for 2024)
- CHRISTIAN SIMONELLI, 229 BERKELEY ST 410, BOSTON, MA 02116
- Signed the 990
- CHRISTIAN SIMONELLI, EXECUTIVE DIRECTOR
- Phone
- (617) 859-8439
- Website
- WWW.BOSTONGROUNDWATER.ORG
- Return prepared by
- RAPHAEL AND RAPHAEL LLP
Mission
TO PROMOTE THE PUBLIC HEALTH, SAFETY, CONVENIENCE, AND WELFARE BY MONITORING GROUNDWATER LEVELS AND MAKING RECOMMENDATIONS TO RAISE, RESTORE, OR PROTECT THE WATER TABLE IN AREAS WHERE IT IS LOW TO PROTECT WOOD PILE AND OTHER TYPES OF FOUNDATIONS.
Program accomplishments
- THE TRUST IS PRIMARILY INVOLVED IN THE SITING, INSTALLING, AND MONITORING OF WELLS ADDRESSING GROUNDWATER LEVELS. THE DATA IS PROVIDED TO THE APPROPRIATE GOVERNMENTAL AGENCIES AND GENERAL PUBLIC.Expenses $123,513
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 20-1941686
- 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
- 2006
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U42)
- Assets (IRS master file)
- $1,112,782
- Income (IRS master file)
- $456,364
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $273,315 | $223,682 | $1,073,856 | XML |
| 990 | June 2024 | $277,000 | $227,759 | $1,023,915 | XML |
| 990 | June 2023 | $277,473 | $187,801 | $974,373 | IRS |
| 990 | June 2022 | $200,943 | $206,089 | $889,064 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 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 20-1941686).
Questions about BOSTON GROUND WATER TRUST
- What is the EIN of BOSTON GROUND WATER TRUST?
- The employer identification number (EIN) of BOSTON GROUND WATER TRUST is 20-1941686.
- Is BOSTON GROUND WATER TRUST tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2006.
- Are donations to BOSTON GROUND WATER TRUST tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does BOSTON GROUND WATER TRUST 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 BOSTON GROUND WATER TRUST due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did BOSTON GROUND WATER TRUST last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of BOSTON GROUND WATER TRUST?
- The 990 for the year ended June 30, 2025 names CHRISTIAN SIMONELLI.
- Who are the officers and directors of BOSTON GROUND WATER TRUST?
- The 990 for the year ended June 30, 2025 lists 13 people; 1 received compensation from the organization, the highest $120,120 (CHRISTIAN SIMONELLI, EXECUTIVE DIRECTOR).
- How much revenue does BOSTON GROUND WATER TRUST have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $273,315, expenses of $223,682 and total assets of $1,073,856 at year end.
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