The Archive of Massachusetts Environmental Data
In August of 2017, the MA Executive Office of Energy and Environmental Affairs (EEA) began operating an “Enterprise Data Portal” for certain state regulatory data. Initially, this has included permit, facilities, inspections, and enforcement, and drinking water testing data; more data assets are promised “regularly.”
Data on combined sewer overflows (CSOs) were added in 2022 and now incorporated in AMEND. Other data tables added to the portal in recent years are not yet integrated.
Definitions, FAQs, disclaimers, and other information related to these datasets is available in PDF format at the EEA Data Portal website’s help page and archived here:
One of these datasets, the historical drinking water quality measurement dataset, is significantly larger than the other (>200 MB in total). Because this measurement-level drinking water quality reporting is not instrumental to the goals of AMEND, we do not include it in our integrated database. We do provide an archived version of the complete drinking water dataset below.
The data from this portal has been archived on this site, last updated on 24 August 2026 06:36 am. The CSO data is queried using a separate script and was last updated on 24 August 2026 06:36 am. Both datasets are refreshed automatically on a weekly basis.
In addition to including them in them in the integrated AMEND Database, we provide our archives of each of these data assets in CSV format:
For brevity, a random sample of 10 rows from each table and a subset of all columns is shown below for illustration as to the tables’ form and content.
| Enforcement Date | Enforcement Type | Facility Name | Penalty Assessed | Program | Town |
|---|---|---|---|---|---|
| 2003-09-29 | Notice Of Non-Compliance | BRADFORD INDUSTRIES | REGULATED ACTIVITY(S) | LOWELL | |
| 2006-09-18 | Notice Of Non-Compliance | PETERSHAM COUNTRY STORE | WATER SUPPLY/DRINKING WATER | PETERSHAM | |
| 2001-07-10 | Unilateral Administrative Order | COMMONWEALTH TANK INC | REGULATED ACTIVITY(S) | WAKEFIELD | |
| 2011-06-29 | Notice Of Non-Compliance | HOLLAND ELEMENTARY SCHOOL | 0.0 | WATER SUPPLY/DRINKING WATER | HOLLAND |
| 2007-12-06 | Notice Of Non-Compliance | NORTON WATER DEPARTMENT | WATER SUPPLY/DRINKING WATER | NORTON | |
| 1996-08-19 | Field Notice Of Non Compliance | PRECISION COLLISION INC | REGULATED ACTIVITY(S) | BRIDGEWATER | |
| 2018-12-18 | Notice Of Non-Compliance | ENCORE CONTRACTING SERVICES INC | REGULATED ACTIVITY(S) | LAWRENCE | |
| 2014-09-11 | Notice Of Non-Compliance | CAMP CACHALOT (NARRAGANSETT COUNCIL) | WATER SUPPLY/DRINKING WATER | PLYMOUTH | |
| 2012-01-09 | Administrative Consent Order No Penalty | BRIMFIELD HOUSING AUTHORITY | 0.0 | WATER SUPPLY/DRINKING WATER | BRIMFIELD |
| 1998-08-07 | Notice Of Non-Compliance | SHORE GARDEN WATER FRONT CONDO. ASSN. | WATER SUPPLY/DRINKING WATER | EASTHAM |
| Facility Name | Facility Type | Program | Street Name | Town | Active |
|---|---|---|---|---|---|
| THE BEYOND PLACE LLC | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 861 STATE RD | NORTH ADAMS | True |
| NEIGHBORHOOD AUTO SERVICES | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 823 KEMPTON ST | NEW BEDFORD | True |
| 396 HILLTOP RD | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 396 HILLTOP RD | LANCASTER | True |
| AT&T MOBILITY | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 306 TAUNTON AVE | NORTON | True |
| SLOCUM FARMS SUBDIVISION | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | SLOCUM RD | DARTMOUTH | True |
| DUXBURY TOWN OF | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 0 MATTAKEESET CT | DUXBURY | True |
| PECK PAUL | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 147 PRESIDENTIAL CIR | MARSHFIELD | True |
| CAPE POGUE ENTRANCE CHANNEL | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | NOT STATED | EDGARTOWN | True |
| SCENIC DR AREA SEWER EXTENSION | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | SCENIC AND FENNO DR | WESTMINSTER | True |
| TAMARACK WINE & SPIRITS | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 157 BEDFORD ST | LAKEVILLE | True |
| Facility Name | Inspection Date | Inspection Type | Program | Town |
|---|---|---|---|---|
| 1300 MASS AVE | 2019-06-01 | Compliance Evaluation-Review of Compliance Data & Reports | WATER SUPPLY/DRINKING WATER | BOXBOROUGH |
| SCHOONER PASS TRUSTEES CONDOMINIUMS | 2011-05-23 | SANITARY SURVEY | WATER SUPPLY/DRINKING WATER | BOURNE |
| SAMSON MANUFACTURING CO | 2007-08-10 | Unannounced Multimedia Inspection | REGULATED ACTIVITY(S) | WHATELY |
| EAST NORTHFIELD WATER CO | 2001-10-10 | ON SITE SWTR INSPECTION REQUIREMENTS | WATER SUPPLY/DRINKING WATER | NORTHFIELD |
| HINSDALE WATER DEPT | 2008-09-11 | SANITARY SURVEY | WATER SUPPLY/DRINKING WATER | HINSDALE |
| KERIVAN LANE INC | 2010-03-24 | Assess Reporting Problems or Inclusion to Regulated Universe | REGULATED ACTIVITY(S) | NEEDHAM |
| TEI BIOSCIENCES | 2007-11-07 | Unannounced Multimedia Inspection | REGULATED ACTIVITY(S) | BOSTON |
| CANNINGS SERVICE CENTER INC | 2010-03-19 | Assess Reporting Problems or Inclusion to Regulated Universe | REGULATED ACTIVITY(S) | SANDWICH |
| BROX INDUSTRIES INC | 2005-09-20 | Announced Multimedia Inspection | REGULATED ACTIVITY(S) | MARLBOROUGH |
| ANDOVER WATER DEPT | 2025-09-29 | SANITARY SURVEY PARTIAL | WATER SUPPLY/DRINKING WATER | ANDOVER |
| DateApplied | FacilityName | FinalDecisionDate | PermitNumber | PermitType | Program | Status | StreetName | Subtype | Town |
|---|---|---|---|---|---|---|---|---|---|
| Pollywog Pond | 2022-05-23T09:41:49 | WM04-0000922 | WM04 | WATERSHED MANAGEMENT | Expired | 0 POLLYWOG LANE | WM04 | Weston | |
| 1997-04-22T00:00:00 | BARNSTABLE ASELTON PARK | 1997-09-05T00:00:00 | 123319 | WW01A | WETLANDS & WATERWAYS | Approved | OCEAN ST | Water-Dependent License Residential <= 4 units | BARNSTABLE |
| 2002-09-06T00:00:00 | AMRIZE NORTHEAST INC | 2002-11-06T00:00:00 | W030816 | AQ01 | AIR QUALITY CONTROL | Approved | 71 SPRING ST | Plan Approval Limited | ASHLAND |
| 2010-01-05T00:00:00 | 2010-01-25T00:00:00 | X231474 | TU03 | TOXIC USE REDUCTION | Approved | 30 ENDICOTT | RECERTIFICATION GENERAL PRACTICE TUR PLANNER | DANVERS | |
| 2002-02-12T00:00:00 | DOUCETTE MIKE | 2002-05-08T00:00:00 | W022075 | WP64A | WATER POLLUTION CONTROL | Approved | 26 DUSTY RD | APPROVAL OF TIGHT TANK | WARWICK |
| 1998-09-25T00:00:00 | BROWNING FERRIS INDUSTRIES INC | 1999-01-08T00:00:00 | 201711 | AQ09 | AIR QUALITY CONTROL | Approved | 855 BURNETT RD | Restricted Emissions Status Plan | CHICOPEE |
| MICHELE LUSSOS | 2025-06-26T19:23:49 | PR-0009418 | PR | PESTICIDE | Active | 12664 CHAPEL RD | PRODUCT REGISTRATION | CLIFTON | |
| 1998-09-21T00:00:00 | SARAH M INNES | 1998-09-26T00:00:00 | P24796 | TU01 | TOXIC USE REDUCTION | Approved | PO BOX 664 | GENERAL PRACTICE TUR PLANNER | MARION |
| 1996-01-01T00:00:00 | RICHARD LUNN | 2005-09-20T00:00:00 | A00050 | WW02A | WETLANDS & WATERWAYS | Approved | 93 LANDS END DR | Waterways license, amnesty projects, Water-dependent use projects: $100 | TOLLAND |
| MICHAEL WILLIAM MARTUNAS | 2024-10-28T11:19:26 | LIME-000037 | LIME | PLANT INDUSTRIES | Active | P.O. BOX 191/107 NEW COUNTY RD THOMASTON, ME | LIME PRODUCT | THOMASTON |
| Chemical Name | Class | Collected Date | Contaminant Group | Location Name | Public Water System Name | Raw or Finished | Measurement Result | Town |
|---|---|---|---|---|---|---|---|---|
| HEXACHLOROCYCLOPENTADIENE | COM | 2012-04-10 | SOC | CROOKED POND TREATMENT PLANT | FALMOUTH WATER DEPT | F | ND | FALMOUTH |
| CALCIUM | COM | 2025-01-02 | SECCON | GP WELL # 2 | SHARON WATER DEPT | F | 38.5 | SHARON |
| 1,1,1-TRICHLOROETHANE | COM | 2017-06-14 | VOC | ROCK WELL #2 - (POND RD #1) | HARVARD WATER DEPARTMENT | F | ND | HARVARD |
| METHOMYL | COM | 2001-02-21 | SOC | SOUTH ST. GP WELL # 6 -(06G) SPRAGUE RD | FOXBORO WATER DEPARTMENT | F | ND | FOXBOROUGH |
| DICHLOROMETHANE | COM | 2025-12-01 | VOC | TREATED: SALMON BROOK GP WELL NO.2 | DUNSTABLE WATER DEPARTMENT | F | ND | DUNSTABLE |
| O-CHLOROTOLUENE | COM | 2012-05-09 | VOC | CHERRY VALLEY WTF (CLEARWELL BLEND) | CHERRY VALLEY/ ROCHDALE WATER DISTRICT | F | ND | LEICESTER |
| DIBROMOACETIC ACID | COM | 2021-04-14 | HAA5 | 20 LINDELL - LAST WEEK OF MONTH | LEOMINSTER WATER DIVISION | F | ND | LEOMINSTER |
| PCB AROCLOR 1248 | COM | 1998-08-19 | SOC | GROVE POND WTF (01G/02G) | AYER DPW WATER DIVISION | F | ND | AYER |
| ISOPROPYLBENZENE | NTNC | 2012-10-18 | VOC | WELL #1 | ANCHOR CONCRETE PRODUCTS | F | ND | OXFORD |
| PERFLUORODECANOIC ACID - PFDA | COM | 2024-05-23 | PFAS | MILL POND WTP - (01S,02S) | BURLINGTON WATER DEPT | F | ND | BURLINGTON |
| Year | Public Water System Name | Contaminant Group | Raw or Finished | Result |
|---|---|---|---|---|
| 2022 | VILLA ROSE RESTAURANT | NITRAT | F | 1 |
| 2000 | MILL RIVER WATER TAKERS ASSOCIATION | NITRAT | F | 1 |
| 2020 | NEWBURYPORT WATER DEPARTMENT | PERCHL | F | 2 |
| 2019 | BOXBOROUGH REGENCY | VOC | F | 62 |
| 2026 | TUPPER HILL NORCROSS WILDLIFE SANCTUARY | SODIUM | F | 2 |
| 2022 | BENFIELD FARMS | INORG | F | 1 |
| 2021 | GREEN ACRES DAYCARE CENTER, INC. | INORG | R | 1 |
| 2026 | UNITED CHURCH OF CHRIST/DAYCARE | PFAS | F | 19 |
| 2025 | NEW ENGLAND EQUITIES LLC | PFAS | F | 19 |
| 2007 | HOLLISTON WATER DEPARTMENT | INORG | R | 1 |
| Year | Incident ID | incidentDate | Reporter Class | Event Type | Water Body | Municipality | Volume |
|---|---|---|---|---|---|---|---|
| 2022.0 | 0cc7a396-ab96-4430-a853-daa5530499c4 | 2022-11-12 00:00:00 | Verified Data Report | CSO – UnTreated | CONNECTICUT R. | HOLYOKE | 42724.0 |
| 2022.0 | 0689af52-862a-4b61-bd01-2105c4fad1b9 | 2022-12-23 07:40:41 | Public Notification Report | SSO – Discharge Through Wastewater Outfall | Other | FITCHBURG | |
| 2024.0 | 419a1f61-50fd-4b82-8600-603acef00ccc | 2024-04-20 22:26:29 | Public Notification Report | CSO – UnTreated | INNER NEW BEDFORD HARBOR | NEW BEDFORD | |
| 2026.0 | 2e9b88ca-9f4b-486e-ad25-4664a6c52cd0 | 2026-06-26 00:00:00 | Verified Data Report | CSO – UnTreated | MERRIMACK RIVER | HAVERHILL | 1691.0 |
| 2022.0 | 68443e11-9579-44d4-b474-4d98714ebed0 | 2022-07-06 00:00:00 | Verified Data Report | CSO – UnTreated | PUNCH BROOK CULVERT @ BOULDER DRIVE VIA PUTNAM ST. | FITCHBURG | 1980.0 |
| 2025.0 | 38b531b0-7074-4203-8da3-c7c4130518fa | 2025-05-08 11:49:25 | Public Notification Report | Partially Treated – Blended | MERRIMACK RIVER | LOWELL | |
| 2022.0 | 71342ee5-2ce2-46de-956a-a7a8ba2946ad | 2022-08-23 00:00:00 | Verified Data Report | CSO – UnTreated | CHICOPEE R. | CHICOPEE | 84374.0 |
| 2022.0 | f77bb3a3-ca64-4f01-a157-c62e93ce833e | 2022-12-23 00:00:00 | Verified Data Report | CSO – UnTreated | LITTLE RIVER | HAVERHILL | 463893.0 |
| 2023.0 | 474d7411-35b0-4a9b-b0d3-c45a3729c5e6 | 2023-07-29 22:45:49 | Public Notification Report | CSO – UnTreated | CHARLES RIVER | CAMBRIDGE | |
| 2026.0 | 4ba168e0-039f-4875-a121-a3ebc4b91fbd | 2026-07-29 00:00:00 | Verified Data Report | CSO – UnTreated | CHICOPEE R. | SPRINGFIELD | 191000.0 |