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 We do provide an archived version of the complete drinking water dataset below.
The data from this portal has been archived on this site, last updated on 8 April 2026 01:12 am. The CSO data is queried using a separate script and was last updated on 8 April 2026 01:18 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 |
|---|---|---|---|---|---|
| 2019-09-26T00:00:00 | Reporting Penalty Assessment Notice | BRANDEIS UNIVERSITY | 500.0 | REGULATED ACTIVITY(S) | WALTHAM |
| 2018-07-12T00:00:00 | Notice Of Non-Compliance | THEODORE SWERDLICK | REGULATED ACTIVITY(S) | BROOKLINE | |
| 2011-09-23T00:00:00 | Notice Of Non-Compliance | CAMP WATITOH | 0.0 | WATER SUPPLY/DRINKING WATER | BECKET |
| 2000-06-13T00:00:00 | Notice Of Non-Compliance | HELLS BLAZES TAVERN | WATER SUPPLY/DRINKING WATER | MIDDLEBOROUGH | |
| 2020-06-29T00:00:00 | Administrative Consent Order With Penalty | INSTRUMENT TECHNOLOGY INC | 2000.0 | REGULATED ACTIVITY(S) | WESTFIELD |
| 2004-11-16T00:00:00 | Administrative Consent Order With Penalty | CD AERO LLC | 7500.0 | REGULATED ACTIVITY(S) | NEW BEDFORD |
| 1997-09-24T00:00:00 | Notice Of Non-Compliance | MDC WALTHAM TESTING LAB | REGULATED ACTIVITY(S) | WALTHAM | |
| 2017-05-08T00:00:00 | Notice Of Non-Compliance | ROBERT J GORDON DDS | REGULATED ACTIVITY(S) | MALDEN | |
| 2012-11-13T00:00:00 | Unilateral Administrative Order | ELM HILL WATER DISTRICT | WATER SUPPLY/DRINKING WATER | AUBURN | |
| 2011-12-20T00:00:00 | Reporting Penalty Assessment Notice | NEAL M NOVACK DMD PC | 500.0 | REGULATED ACTIVITY(S) | HOLDEN |
| Facility Name | Facility Type | Program | Street Name | Town | Active |
|---|---|---|---|---|---|
| KNIGHTS OF COLUMBUS | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 234 CHIEF JUSTICE CUSHING HWY | SCITUATE | True |
| HARRISON DIESEL SOLUTIONS | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 4 LINSEED RD | HATFIELD | True |
| MCCOY JANE | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 822 SMITH NECK RD | DARTMOUTH | True |
| MA DOT LANCASTER | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 435 OLD UNION TPKE | LANCASTER | True |
| LOWELL POLICE DEPARTMENT | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 50 ARCAND DR | LOWELL | True |
| UNIVERSITY OF MASS ARNOLD HOUSE (SITE) | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | UMASS CAMPUS | AMHERST | True |
| TOWN OF MARION | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | BENSON BROOK RD | MARION | True |
| ASSUMPTION UNIVERSITY | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 500 SALISBURY ST | WORCESTER | True |
| ORCUTT BRUCE | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 23 CENTRAL AVE | PLYMOUTH | True |
| BUTCHER CO THE | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 120 BARTLETT ST | MARLBOROUGH | False |
| Facility Name | Inspection Date | Inspection Type | Program | Town |
|---|---|---|---|---|
| ASHFIELD LANDFILL & TRANSFER STATION | 2011-10-05T00:00:00 | Solid Waste Inspect with Enforcement Potential | REGULATED ACTIVITY(S) | ASHFIELD |
| WICKLES FINE PRINT INC | 1999-08-24T00:00:00 | Unannounced Multimedia Inspection | REGULATED ACTIVITY(S) | WESTFIELD |
| DERMODY CLEANERS INC | 2004-05-26T00:00:00 | Unannounced Multimedia Inspection | REGULATED ACTIVITY(S) | TAUNTON |
| WIREWAY HUSKY CORP | 1996-03-13T00:00:00 | ReInspection | REGULATED ACTIVITY(S) | STERLING |
| JOHNS COLLISION INC | 2009-01-22T00:00:00 | ReInspection | REGULATED ACTIVITY(S) | SOUTH HADLEY |
| GREATHORSE COUNTRY CLUB | 2004-02-06T00:00:00 | FACILITY SELF REPORTING | WATER SUPPLY/DRINKING WATER | HAMPDEN |
| WESTMINSTER SW CONVENIENCE CENTER | 2023-09-07T00:00:00 | Solid Waste Inspect with Enforcement Potential | REGULATED ACTIVITY(S) | WESTMINSTER |
| GRANBY SANITARY LANDFILL | 2002-04-27T00:00:00 | Site Visit But Not Full Inspection | REGULATED ACTIVITY(S) | GRANBY |
| DCR C A HOLMES RECREATION AREA | 2021-06-17T00:00:00 | SANITARY SURVEY | WATER SUPPLY/DRINKING WATER | SHUTESBURY |
| PROFESSIONAL CLEANERS | 2005-09-08T00:00:00 | Unnnounced Ins Unpermitted Discharges Emissions/Activities | REGULATED ACTIVITY(S) | HAMPDEN |
| DateApplied | FacilityName | FinalDecisionDate | PermitNumber | PermitType | Program | Status | StreetName | Subtype | Town |
|---|---|---|---|---|---|---|---|---|---|
| Annette Marine | 2025-06-17T04:40:26 | PR-0000764 | PR | PESTICIDE | Active | 1090 ELKTON RD; BLDG 300 / RM 443 | PRODUCT REGISTRATION | NEWARK | |
| 2003-07-10T00:00:00 | STOROZUK LUCIE | 2003-09-16T00:00:00 | W040608 | WP64A | WATER POLLUTION CONTROL | Approved | 25 PINE GROVE RDG | APPROVAL OF TIGHT TANK | OTIS |
| 2010-09-14T00:00:00 | F&G AGAWAM RECYCLING LLC | 2011-03-28T00:00:00 | X234926 | AQ10 | AIR QUALITY CONTROL | Approved | 188 M ST | Operating Permit Minor Modification | AGAWAM |
| 2016-05-16T00:00:00 | BERLIN RETIREMENT HOME | 2016-06-07T00:00:00 | X270819 | WS36 | WATER SUPPLY/DRINKING WATER | Approved | 135 PLEASANT ST | Abandonment of Source | BERLIN |
| Mill Brook | 2023-11-20T00:00:00 | WW01-0000228 | WW01 | WETLANDS & WATERWAYS | Active | 0 HOWLAND ROAD | WW01 | Freetown | |
| 2023-06-26T16:04:04 | LSP-7432 | LSP | Active | AUTHORIZATION | |||||
| 1996-09-23T00:00:00 | EDGARTOWN YACHT CLUB INC | 2002-06-07T00:00:00 | 104841 | WW02B | WETLANDS & WATERWAYS | Approved | 1 DOCK ST | Waterways license, amnesty projects, Nonwater-dependent use projects: $500 | EDGARTOWN |
| 1996-05-06T00:00:00 | LOWELL RD | 1997-07-11T00:00:00 | 128806 | WP13 | WATER POLLUTION CONTROL | Approved | LOWELL RD | MAJOR SEWER EXTENSION | PEPPERELL |
| 1998-03-09T00:00:00 | AGAWAM DENTAL ASSOCIATES PC | 1998-03-16T00:00:00 | 127547 | WS09 | WATER SUPPLY/DRINKING WATER | Approved | 532 SPRINGFIELD ST | CROSS CONNECTION PLAN APPROVAL | AGAWAM |
| JOSEPH NARDELLI | 2026-03-03T07:40:54 | AL-0040370 | AL | PESTICIDE | Active | 111 KENDALL STREET | PESTICIDE CREDENTIAL | GARDNER |
| Chemical Name | Class | Collected Date | Contaminant Group | Location Name | Public Water System Name | Raw or Finished | Measurement Result | Town |
|---|---|---|---|---|---|---|---|---|
| ALKALINITY (CACO3), TOTAL | NTNC | 2013-11-20T00:00:00 | SECCON | WELL # 1 | CARLISLE PUBLIC SCHOOL | F | 101 | CARLISLE |
| COLOR | COM | 2021-05-26T00:00:00 | SECCON | FINISHED: SHABOKIN WTP | DEVENS MASSDEVELOPMENT | F | ND | AYER |
| 1,1-DICHLOROETHYLENE | COM | 2017-07-11T00:00:00 | VOC | OLD LOC. NO. - EAST ST. WTP | SUDBURY WATER DISTRICT | F | ND | SUDBURY |
| 1,1,2-TRICHLOROETHANE | COM | 2025-02-12T00:00:00 | VOC | WTP - 687 CHASE ROAD | DARTMOUTH WATER DIVISION | F | ND | DARTMOUTH |
| P-CHLOROTOLUENE | NTNC | 2019-08-13T00:00:00 | VOC | WELL # 1 | ALICE A MACOMBER PRIMARY SCHOOL | F | ND | WESTPORT |
| O-DICHLOROBENZENE | COM | 2021-12-07T00:00:00 | VOC | POINT OF ENTRY | GRANVILLE CENTRE WATER CO | F | ND | GRANVILLE |
| CHROMIUM | COM | 2003-01-22T00:00:00 | INORG | GP WELL # 4 | HARWICH WATER DEPARTMENT | F | ND | HARWICH |
| PCB AROCLOR 1232 | NTNC | 1998-04-08T00:00:00 | SOC | WELL #1 | TOUCHSTONE COMMUNITY SCHOOL | F | ND | GRAFTON |
| RADIUM - 226 | COM | 2024-06-07T00:00:00 | RADIO | RAW: WELL #2 | MAILLET WOODS CONDOMINIUMS | R | 0.6 | HOPKINTON |
| BENZENE | COM | 2020-06-10T00:00:00 | VOC | GP WELLS #1 (01G) | HANSON WATER DEPARTMENT | F | ND | HANSON |
| Year | Public Water System Name | Contaminant Group | Raw or Finished | Result |
|---|---|---|---|---|
| 2006 | SODOM MOUNTAIN CAMPGROUND | NITRAT | F | 1 |
| 2000 | LUNENBURG WATER DISTRICT | NITRAT | F | 2 |
| 2016 | MIT HAYSTACK OBSERVATORY | VOC | F | 62 |
| 2025 | MATTAPOISETT WATER DEPARTMENT | RADIO | F | 3 |
| 2023 | HAWLEMONT REGIONAL SCHOOL | VOC | F | 64 |
| 2002 | NORTHBOROUGH WATER DEPARTMENT (MWRA) | RADIO | F | 2 |
| 2002 | MILLIS WATER DEPT | VOC | F | 5 |
| 2022 | BELLINGHAM DPW WATER SEWER DIVISION | NITRAT | F | 2 |
| 2007 | CHESTERFIELD GENERAL STORE | NITRIT | F | 1 |
| 2020 | NORTH BROOKFIELD WATER DEPARTMENT | SECCON | F | 18 |
| Year | Incident ID | incidentDate | Reporter Class | Event Type | Water Body | Municipality | Volume |
|---|---|---|---|---|---|---|---|
| 2023.0 | c252ccd3-3784-4285-92c8-904b378efc20 | 2023-07-10 00:00:00 | Verified Data Report | CSO – UnTreated | ACUSHNET RIVER | NEW BEDFORD | 2522890 |
| 2023.0 | 518094c2-bf75-464e-ac24-48432f594904 | 2023-07-21 00:00:00 | Verified Data Report | CSO – UnTreated | CHARLES RIVER | CAMBRIDGE | 330000 |
| 2024.0 | 3d12077c-ee5e-4cef-a8fb-472b5bf5bad4 | 2024-08-07 00:00:00 | Verified Data Report | CSO – UnTreated | CONNECTICUT R. | HOLYOKE | 495 |
| 2024.0 | b0a2e45f-a8c9-4639-a2b3-e1e33ac880f9 | 2024-04-12 13:40:39 | Verified Data Report | CSO – Treated | TAUNTON RIVER | FALL RIVER | 1530000 |
| 2025.0 | 230457c2-e901-4418-a19c-66546bba8fe3 | 2025-10-20 19:24:32 | Verified Data Report | CSO – UnTreated | MILL R. | SPRINGFIELD | 11000 |
| 2024.0 | ad6edf17-ea6b-4f3a-b637-8d6710be1ef6 | 2024-01-10 12:00:50 | Verified Data Report | SSO – System Surcharging Under High Flow Conditions | Other | REVERE | 15000 |
| 2025.0 | 045f40ed-c43c-48a0-9fd7-57a0961ede59 | 2025-02-16 05:00:00 | Verified Data Report | CSO – UnTreated | TAUNTON RIVER | FALL RIVER | 1140000 |
| 2024.0 | 432c3c57-e36b-4c2d-a57b-b028e638e395 | 2024-01-10 00:00:00 | Public Notification Report | Partially Treated – Other | TEN MILE RIVER | ATTLEBORO | |
| 2022.0 | 33089c28-13a1-492f-94f6-f12404677ea0 | 2022-08-23 08:13:10 | Public Notification Report | Partially Treated – Other | CONNECTICUT RIVER | CHICOPEE | |
| 2024.0 | 7f51ad77-11f1-44c9-9c54-d4cbd69887c1 | 2024-02-05 14:31:52 | Public Notification Report | Partially Treated – Blended | CONCORD RIVER | BILLERICA |