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 We do provide an archived version of the complete drinking water dataset below.
The data from this portal has been archived on this site, last updated on 1 June 2026 11:25 am. The CSO data is queried using a separate script and was last updated on 1 June 2026 11:25 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 |
|---|---|---|---|---|---|
| 2014-09-22 | Notice Of Non-Compliance | DCR PURGATORY CHASM STATE RESERVATION | WATER SUPPLY/DRINKING WATER | SUTTON | |
| 1996-04-18 | Notice Of Non-Compliance | LEONARD J LORUSSO | REGULATED ACTIVITY(S) | WORCESTER | |
| 1999-11-04 | Notice Of Non-Compliance | COLT PRESS INC | REGULATED ACTIVITY(S) | BOSTON | |
| 2007-03-14 | Unilateral Administrative Order | HOLLAND COMPANY INC | REGULATED ACTIVITY(S) | ADAMS | |
| 2018-08-02 | Notice Of Non-Compliance | APG NEW ENGLAND OXFORD | REGULATED ACTIVITY(S) | OXFORD | |
| 2021-01-26 | Notice Of Non-Compliance | NEW ENGLAND LABORERS TRAINING ACADEMY | 0.0 | WATER SUPPLY/DRINKING WATER | HOPKINTON |
| 2005-03-01 | Administrative Consent Order With Penalty | BLAKE PROPERTY | 13787.0 | REGULATED ACTIVITY(S) | LEOMINSTER |
| 2021-01-22 | Notice Of Non-Compliance | SANCHEZ SUNOCO | REGULATED ACTIVITY(S) | LAWRENCE | |
| 1996-08-16 | Notice Of Non-Compliance | DADE BEHRING INC | REGULATED ACTIVITY(S) | WESTWOOD | |
| 2019-11-21 | Notice Of Non-Compliance | ELECTRIC AVE SERVICE STATION | REGULATED ACTIVITY(S) | LUNENBURG |
| Facility Name | Facility Type | Program | Street Name | Town | Active |
|---|---|---|---|---|---|
| EDELSTEIN PATRICIA | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 21 DOWD RD | MONTEREY | True |
| HURLEY PAUL AND CHRISTINE | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 45 SHOREWOOD DR | FALMOUTH | True |
| 108 SUNNY HILL RD | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 108 SUNNY HILL RD | LUNENBURG | True |
| 139 HILLCREST ROAD MARSHFIELD - RESIDENT | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 139 HILLCREST RD | MARSHFIELD | True |
| RACING MART | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 14 EAST MAIN ST | YARMOUTH | True |
| HARRIS STREET CORP | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 50 EAST MILL ST | PITTSFIELD | True |
| AABEC | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 105 FREMONT ST | WORCESTER | True |
| AGGREGATE INDUSTRIES NORTHEAST REGION | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | YEMMA RD | GROVELAND | True |
| SPRINGHOUSE POND | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | 165 NOBSCOT RD | SUDBURY | True |
| SILVER BROOK ESTATES SEWER EXTENSION | DEP REGULATED FACILITY | REGULATED ACTIVITY(S) | MAPLE MEADOWS LN | AGAWAM | True |
| Facility Name | Inspection Date | Inspection Type | Program | Town |
|---|---|---|---|---|
| LYNN REGIONAL WPCF | 2004-10-19 | Announced Single-Media Inspection | REGULATED ACTIVITY(S) | LYNN |
| DELA INC | 2016-06-02 | Unannounced Multimedia Inspection | REGULATED ACTIVITY(S) | HAVERHILL |
| FOUR CORNER CITGO | 2000-05-10 | ReInspection | REGULATED ACTIVITY(S) | DEDHAM |
| PHILLIPSTON MEMORIAL BUILDING | 2019-05-15 | Compliance Evaluation-Review of Compliance Data & Reports | WATER SUPPLY/DRINKING WATER | PHILLIPSTON |
| NORTH CARVER WATER DISTRICT | 2015-08-28 | BWR/BRP Announced Inspection Related Activity | WATER SUPPLY/DRINKING WATER | CARVER |
| PMG 8652 | 2010-05-07 | Assess Reporting Problems or Inclusion to Regulated Universe | REGULATED ACTIVITY(S) | HINGHAM |
| FP MCNAMARA RUBBISH REMOVAL INC | 2015-01-06 | Solid Waste Inspect with Enforcement Potential | REGULATED ACTIVITY(S) | SPRINGFIELD |
| WECARE ENVIRONMENTAL LLC | 2008-07-25 | Multiple Visits to Identify/Document a Problem | REGULATED ACTIVITY(S) | MARLBOROUGH |
| SOUTH HADLEY LANDFILL | 2013-04-17 | Solid Waste Inspect with Enforcement Potential | REGULATED ACTIVITY(S) | SOUTH HADLEY |
| THATCHER STREET LANDFILL | 2003-10-22 | Unannounced Single-Media Inspection | REGULATED ACTIVITY(S) | BROCKTON |
| DateApplied | FacilityName | FinalDecisionDate | PermitNumber | PermitType | Program | Status | StreetName | Subtype | Town |
|---|---|---|---|---|---|---|---|---|---|
| ANNE MCNEIL | 2018-06-01T00:00:00 | HW05-MA-0261 | HW05 | HAZARDOUS WASTE | Active | 114 BRIDGE RD | HW05 | SALISBURY | |
| MARCIA CROCE | 2025-06-11T11:24:56 | PR-0000212 | PR | PESTICIDE | Expired | 111 RIDC PARK WEST DRIVE | PRODUCT REGISTRATION | PITTSBURGH | |
| SAMUEL JOHN TUCCI | 2021-12-31T12:16:25 | AL-0051635 | AL | PESTICIDE | Expired | 223 SCHOOL STREET | PESTICIDE CREDENTIAL | SOMERVILLE | |
| 1998-12-28T00:00:00 | LINCOLN CORPORATE CENTER | 1999-03-17T00:00:00 | W003652 | WP14 | WATER POLLUTION CONTROL | Approved | 25 MIDDLESEX TPKE | MINOR SEWER EXTENSION | BILLERICA |
| GLENN R RALSTON | 2019-07-01T14:50:03 | AL-0048030 | AL | PESTICIDE | Expired | 43 LEE WAY | PESTICIDE CREDENTIAL | BREWSTER | |
| 2010-03-29T00:00:00 | PEREIRA CARLOS | 2010-07-14T00:00:00 | X232304 | WW01A | WETLANDS & WATERWAYS | Approved | 103 ASHLEY ISLAND RD | Water-Dependent License Residential <= 4 units | FAIRHAVEN |
| IAN PERKINS | 2020-06-30T01:00:43 | AL-0048596 | AL | PESTICIDE | Expired | 110 EAMES STREET | PESTICIDE CREDENTIAL | WILMINGTON | |
| 1998-02-09T00:00:00 | INCINERATOR ROAD MUNICIPAL LANDFILL | 1998-08-12T00:00:00 | W001022 | SW24 | SOLID WASTE MGMT | Approved | INCINERATOR RD | Corrective Action Alternative Analysis Report | LAWRENCE |
| MATTHEW PIDGEON | 2025-10-17T19:23:31 | AL-0036473 | AL | PESTICIDE | Active | 2 OLDE LANTERN ROAD | PESTICIDE CREDENTIAL | BEDFORD | |
| LEOMINSTER TRANSFER STATION | 2019-01-25T07:07:33 | SW45-0000017 | SW45 | SOLID WASTE MGMT | Active | 256 NEW LANCASTER ST, RTE 117. | SW45 | LEOMINSTER |
| Chemical Name | Class | Collected Date | Contaminant Group | Location Name | Public Water System Name | Raw or Finished | Measurement Result | Town |
|---|---|---|---|---|---|---|---|---|
| 1,1-DICHLOROETHANE | COM | 2023-08-14 | VOC | AFTER TREATMENT (02G/03G) | PINEWOOD ON THE GREEN CONDOS | F | ND | OXFORD |
| ALDICARB SULFOXIDE | COM | 2004-06-10 | SOC | MEMORIAL GP WELL # 1 | TOWN OF AVON | F | ND | AVON |
| PERFLUORODECANOIC ACID - PFDA | COM | 2026-01-04 | PFAS | WTP FINISHED (1S,3S,5S,7S) | HAVERHILL WATER DEPT | F | ND | HAVERHILL |
| PARA-DICHLOROBENZENE | NC | 2023-10-03 | VOC | POINT OF ENTRY POST TREATMENT | WHEATLEIGH INN | F | ND | STOCKBRIDGE |
| BROMOCHLOROMETHANE | COM | 2015-07-30 | VOC | POINT OF ENTRY POST TREATMENT | HERON POND AT STOCKBRIDGE | F | ND | STOCKBRIDGE |
| MANGANESE | NTNC | 2017-04-20 | SECCON | POINT OF ENTRY POST TREATMENT | COLD SPRING COUNTRY CLUB | F | 0.0596 | BELCHERTOWN |
| NITRATE | COM | 2005-05-09 | NITRAT | WELL #2 - FINISHED ENTRY POINT | APPLEWOOD COMMUNITY CORPORATION | F | 2.02 | BOXBOROUGH |
| MONOCHLOROACETIC ACID | COM | 2023-05-17 | HAA5 | 3 CENTENNIAL DRIVE | PEABODY WATER DEPT. | F | 1.58 | PEABODY |
| DIBROMOCHLOROPROPANE | COM | 2009-04-23 | SOC | TREATED WATER: WELL #1 & #2 | HAYSTACK ESTATES | F | ND | WESTFORD |
| CHLORDANE | COM | 2003-12-15 | SOC | MYERS AVE.WELLS MULTIPLE 01G,02G,03G,04G | ABINGTON/ROCKLAND JOINT WTR. WORKS | F | ND | ROCKLAND |
| Year | Public Water System Name | Contaminant Group | Raw or Finished | Result |
|---|---|---|---|---|
| 2015 | ROCHESTER GOLF CLUB | NITRAT | F | 1 |
| 2002 | LENOX DPW WATER DIVISION | NITRAT | F | 1 |
| 2010 | CHARLEMONT 4FAMILY STORE | SODIUM | F | 1 |
| 2025 | FIVE BRIDGE INN | NITRAT | F | 1 |
| 2003 | ORLEANS/EASTHAM ELKS LODGE | NITRAT | F | 1 |
| 2002 | THE HOME FOR LITTLE WANDERERS | NITRAT | F | 1 |
| 2024 | STOW SHOPPING CENTER | SECCON | R | 4 |
| 2008 | FRANCESCOS ITALIAN RESTAURANT | NITRIT | F | 1 |
| 2011 | WEST TISBURY TOWN HALL | NITRAT | F | 1 |
| 2026 | TURNERS FALLS WATER DEPT | SECCON | F | 1 |
| Year | Incident ID | incidentDate | Reporter Class | Event Type | Water Body | Municipality | Volume |
|---|---|---|---|---|---|---|---|
| 2023.0 | b56b2ecb-87cf-4a1f-91f3-dbddf7c6772f | 2023-07-16 00:00:00 | Verified Data Report | CSO – UnTreated | CLARK COVE | NEW BEDFORD | 134430.0 |
| 2023.0 | 83f2707f-88c5-4202-a24b-862e6a1296df | 2023-07-03 00:00:00 | Verified Data Report | CSO – UnTreated | CLARK COVE | NEW BEDFORD | 27890.0 |
| 2024.0 | 5c50ba01-c4e5-41a0-9acf-b2a42319dbe9 | 2024-09-26 07:18:18 | Verified Data Report | CSO – UnTreated | INNER NEW BEDFORD HARBOR | NEW BEDFORD | 1603075.0 |
| 2026.0 | c272a918-9a14-42fc-aaa9-002e22532298 | 2026-03-23 00:00:00 | Public Notification Report | CSO – UnTreated | ACUSHNET RIVER | NEW BEDFORD | |
| 2025.0 | 80635ba2-2989-484a-b7a5-fa3ef0e63c50 | 2025-03-06 13:48:08 | Verified Data Report | CSO – UnTreated | CHICOPEE R. | CHICOPEE | 6931.0 |
| 2023.0 | 370abcf1-9c0d-4dcd-9c5d-a994d3609253 | 2023-01-26 15:54:20 | Public Notification Report | CSO – UnTreated | MERRIMACK RIVER | LOWELL | |
| 2023.0 | 053deb9e-3335-4f5f-940b-51c29fefe27f | 2023-07-10 00:00:00 | Verified Data Report | CSO – UnTreated | NASHUA RIVER | FITCHBURG | 586000.0 |
| 2022.0 | 44353f66-06bb-4a19-a4a8-4ab954e2f890 | 2022-07-13 21:01:32 | Public Notification Report | SSO – System Surcharging Under High Flow Conditions | Other | WATERTOWN | |
| 2025.0 | df8043de-9e3f-4798-ac7f-8398190d88cc | 2025-04-08 11:20:12 | Verified Data Report | CSO – UnTreated | CLARK COVE | NEW BEDFORD | 131320.0 |
| 2023.0 | 62ffa854-c5bd-4831-821b-530ef487d74b | 2023-12-11 14:35:59 | Public Notification Report | CSO – UnTreated | CHICOPEE R. | CHICOPEE |