Nonprofit · EIN 04-3251784
METROPOLITAN WATERWORKS MUSEUM INC
Tax-exempt · CHESTNUT HILL, MA 02467
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $541,573 | $651,233 | -$109,660 | $2,987,555 | $76,576 | $2,910,979 |
| December 31, 2024 | 990 | $646,844 | $736,285 | -$89,441 | $3,081,420 | $60,781 | $3,020,639 |
| December 31, 2023 | 990 | $475,137 | $634,537 | -$159,400 | $3,194,977 | $84,897 | $3,110,080 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $525,225
- Program service revenue
- $16,348
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $255,211
- Salaries, compensation and benefits (total)
- $279,467
- Professional fundraising fees
- $0
- Depreciation
- $119,302
- Program services (functional)
- $591,473
- Management and general (functional)
- $54,787
- Fundraising (functional)
- $4,973
Balance sheet and other
- Total assets, start of year
- $3,081,420
- Total assets, end of year
- $2,987,555
- Total liabilities, end of year
- $76,576
- Net assets, end of year
- $2,910,979
- Land, buildings and equipment
- $2,820,202
- Net assets without donor restrictions
- $2,910,979
- Gross receipts
- $541,573
- Employees
- 0
- Volunteers
- 0
- Year formed
- 1991
- 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 December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARTIN PERLMUTTER | PRESIDENT/INTERIM TREASURE Trustee or director, Officer | 1 | $0 |
| KATHERINE BURTON JONES | CLERK Trustee or director, Officer | 1 | $0 |
| RAYMOND J RAPOSA | DIRECTOR Trustee or director | 1 | $0 |
| ROGER BLOOD | DIRECTOR Trustee or director | 1 | $0 |
| ADAM YANULIS | DIRECTOR Trustee or director | 1 | $0 |
| JOHN FREEMAN | DIRECTOR Trustee or director | 1 | $0 |
| EDWARD BERGER | DIRECTOR Trustee or director | 1 | $0 |
| ELAINE C PIERCE | DIRECTOR Trustee or director | 1 | $0 |
| DENNIS J DEWITT | DIRECTOR Trustee or director | 1 | $0 |
| STEPHEN ESTES-SMARGIASSI | DIRECTOR Trustee or director | 1 | $0 |
| MARION PRESSLEY | DIRECTOR Trustee or director | 1 | $0 |
| KRISTEN KING | DIRECTOR Trustee or director | 1 | $0 |
| ERIC PETERSON | EXECUTIVE DIRECTOR Trustee or director | 40 | $0 |
990 for the year ended December 31, 2024: 13 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ERIC PETERSON | EXECUTIVE DIRECTOR Trustee or director | 40 | $78,755 |
| MARTIN PERLMUTTER | PRESIDENT/INTERIM TREASURER Trustee or director, Officer | 1 | $0 |
| KATHERINE BURTON JONES | CLERK Trustee or director, Officer | 1 | $0 |
| RAYMOND J RAPOSA | DIRECTOR Trustee or director | 1 | $0 |
| ROGER BLOOD | DIRECTOR Trustee or director | 1 | $0 |
| ADAM YANULIS | DIRECTOR Trustee or director | 1 | $0 |
| JOHN FREEMAN | DIRECTOR Trustee or director | 1 | $0 |
| EDWARD BERGER | DIRECTOR Trustee or director | 1 | $0 |
| ELAINE C PIERCE | DIRECTOR Trustee or director | 1 | $0 |
| DENNIS J DEWITT | DIRECTOR Trustee or director | 1 | $0 |
| STEPHEN ESTES-SMARGIASSI | DIRECTOR Trustee or director | 1 | $0 |
| MARION PRESSLEY | DIRECTOR Trustee or director | 1 | $0 |
| KRISTEN KING | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 13 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ERIC PETERSON | EXECUTIVE DIRECTOR Trustee or director | 40 | $78,755 |
| RAYMOND J RAPOSA | PRESIDENT AND CHAIR Trustee or director, Officer | 1 | $0 |
| ELAINE C PIERCE | TREASURER Trustee or director, Officer | 1 | $0 |
| KATHERINE BURTON JONES | CLERK Trustee or director, Officer | 1 | $0 |
| JOHN FREEMAN | DIRECTOR Trustee or director | 1 | $0 |
| EDWARD BERGER | DIRECTOR Trustee or director | 1 | $0 |
| ROGER BLOOD | DIRECTOR Trustee or director | 1 | $0 |
| RONALD BROWN | DIRECTOR Trustee or director | 1 | $0 |
| DENNIS J DEWITT | DIRECTOR Trustee or director | 1 | $0 |
| STEPHEN ESTES-SMARGIASSI | DIRECTOR Trustee or director | 1 | $0 |
| MARION PRESSLEY | DIRECTOR Trustee or director | 1 | $0 |
| MARTIN PERLMUTTER | DIRECTOR Trustee or director | 1 | $0 |
| TOM GLORIA | DIRECTOR Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 2450 BEACON ST, CHESTNUT HILL, MA 02467-1460
- Principal officer (990 for 2025)
- MARTIN PERLMITTER, 2450 BEACON STREET, CHESTNUT HILL, MA 02467
- Signed the 990
- MARTIN PERLMITTER, PRESIDENT/INTERUM TREASURER
- Phone
- (617) 277-0065
- Website
- WWW.WATERWORKSMUSEUM.ORG
- Return prepared by
- RAFFOL AND COMPANY INC
Mission
THE MWM OWNS AND OPERATES THE WATERWORKS MUSEUM (THE "MUSEUM"), INCLUDING A COMMUNITY MEETING ROOM. THE MUSEUM IS A SINGLE CONDOMINIUM UNIT OF THE MUSEUM BUILDING CONDOMINIUM, ONE OF SEPARATE CONDOMINIUM BUILDING REGIMES ON THE SITE. THE FOUR BUILDINGS SHARE CERTAIN OPERATING RESPONSIBILITIES THROUGH AN ADMINISTRATIVE TRUST (THE WATERWORKS AT CHESTNUT HILL TRUST), AND THE COMPLEX IS COMMONLY KNOWN AS THE WATERWORKS AT CHESTNUT HILL. THE SITE WAS PREVIOUSLY THE CHESTNUT HILL WATERWORKS, OWNED BY THE COMMONWEALTH OF MASSACHUSETTS, AND DISPOSED OF IN ACCORDANCE WITH THE LDA. THREE OF THE FOUR BUILDINGS AND THE ADJACENT CHESTNUT HILL RESERVOIR ARE LISTED ON THE NATIONAL REGISTER OF HISTORIC PLACES AND THE ENTIRE SITE IS A DESIGNATED CITY OF BOSTON LANDMARK. THE MUSEUM HOUSES THREE HISTORIC STEAM PUMPING ENGINES INSTALLED BETWEEN 1894 AND 1921: THE ALLIS, THE WORTHINGTON, AND THE LEAVITT. AS REQUIRED UNDER THE LDA, MWM PROVIDES PUBLIC ACCESS TO THE MUSEUM AT NO FEE, AND TO THE COMMUNITY ROO
Program accomplishments
- THE MUSEUM HOUSES THREE HISTORIC STEAM PUMPING ENGINES INSTALLED BETWEEN 1894 AND 1921: THE ALLIS, THE WORTHINGTON, AND THE LEAVITT. THE MWM PROVIDES PUBLIC ACCESS TO THE MUSEUM AT NO FEE, AND TO THE COMMUNITY ROOM AT A MARGINAL COST RECOVERY CHARGE, BOTH IN PERPETUITY. ITS MISSION AS AN EDUCATIONAL NON-PROFIT IS TO PROMOTE LEARNING AT THE WATERWORKS MUSEUM, AS WELL AS PRESERVING THE MAGNIFICENT INDUSTRIAL ARCHAEOLOGY OF THE BUILDING AND ENGINES.Expenses $591,473
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
- 04-3251784
- 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
- 1995
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A59Z)
- Assets (IRS master file)
- $2,987,555
- Income (IRS master file)
- $541,573
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $541,573 | $651,233 | $2,987,555 | XML |
| 990 | December 2024 | $646,844 | $736,285 | $3,081,420 | XML |
| 990 | December 2023 | $475,137 | $634,537 | $3,194,977 | XML |
| 990 | December 2022 | $552,744 | $644,464 | $3,352,610 | IRS |
| 990 | 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 04-3251784).
Questions about METROPOLITAN WATERWORKS MUSEUM INC
- What is the EIN of METROPOLITAN WATERWORKS MUSEUM INC?
- The employer identification number (EIN) of METROPOLITAN WATERWORKS MUSEUM INC is 04-3251784.
- Is METROPOLITAN WATERWORKS MUSEUM INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
- Are donations to METROPOLITAN WATERWORKS MUSEUM INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does METROPOLITAN WATERWORKS MUSEUM INC 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 METROPOLITAN WATERWORKS MUSEUM INC 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 METROPOLITAN WATERWORKS MUSEUM INC 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 METROPOLITAN WATERWORKS MUSEUM INC?
- The 990 for the year ended December 31, 2025 names MARTIN PERLMITTER.
- Who are the officers and directors of METROPOLITAN WATERWORKS MUSEUM INC?
- The 990 for the year ended December 31, 2025 lists 13 people; 0 received compensation from the organization.
- How much revenue does METROPOLITAN WATERWORKS MUSEUM INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $541,573, expenses of $651,233 and total assets of $2,987,555 at year end.
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