Suffolk County, MA
The federal environmental record for Suffolk County (population 768,425): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
19
federal cleanup sites
1
PFAS-detecting water systems
8
TRI facilities
35
open tank releases
Drinking water: PFAS testing
Public water systems serving Suffolk with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| REVERE WATER DIVISION (MWRA) MA3248000 | 6:2 FTS: 6.2 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
8 facilities in Suffolk filed TRI reports for 2024, totalling 20k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| MATEP LLC | BOSTON | Ammonia | 8k lb |
| GLOBAL COS LLC - CHELSEA EASTERN AVE TERMINAL | CHELSEA | Xylene (mixed isomers), Toluene | 5k lb |
| IRVING OIL TERMINALS INC. | REVERE | Toluene, Benzene | 2k lb |
| THE GILLETTE CO LLC | BOSTON | Chromium, Nickel | 2k lb |
| GLOBAL COMPANIES LLC | REVERE | 1,2,4-Trimethylbenzene, Xylene (mixed isomers) | 1k lb |
| CHELSEA SANDWICH LLC | CHELSEA | 1,2,4-Trimethylbenzene, Naphthalene | 866 lb |
| HOUGHTON CHEMICAL CORP | ALLSTON | Certain glycol ethers, N-Methyl-2-pyrrolidone | 32 lb |
| BOSTON SAND & GRAVEL - CHARLESTOWN PLANT & GARAGE | CHARLESTOWN | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead | 26 lb |
Underground fuel tanks
EPA's UST Finder records 732 tank facilities in Suffolk: 598 tanks in service and 1,734 closed. 494 fuel releases are on record, of which 35 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Suffolk as Zone 3, the lowest predicted indoor radon (under 2 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Suffolk, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ALLIS & CHALMERS ELECTRICAL MANUFACTURING FACILITY (FORMER)HYDE PARK
- BOSTON ASSESSOR'S PARCEL 1903862000BOSTON-ROSLINDALE
- COMMERCIAL/RESIDENTIAL PROPERTYEAST BOSTON
- DUDLEY STREET LEAD/ARSENICROXBURY
- FORBES LITHOGRAPHIC CO (FORMER)CHELSEA
- HY-SIL MANUFACTURINGREVERE
- LEWIS CHEMICALBOSTON
- LOWER NEPONSET RIVERBOSTON/MILTON
- MOTIVE PARTSBOSTON (HYDE PARK)
- RIVERSIDE SQUARE PCBHYDE PARK (BOSTON)
- SOUTH BOSTON NAVAL ANNEXBOSTON
- SUFFOLK SERVICES INCBOSTON
- US ARMY RESERVE 99TH REGIONAL SUPPORT COBOSTON
- US COAST GUARD INTEGRATED SUPPORT CMNDBOSTON
- US COAST GUARD INTEGRATED SUPPORT CMNDBOSTON
- US POSTAL SERVICECHELSEA
- US POSTAL SERVICE VMFBOSTON
- VA BOSTON HEALTH CARE WEST ROXBURY CAMPUSBOSTON (WEST ROXBURY)
- VA MEDICAL CENTER, JAMAICA PLAIN CAMPUSJAMAICA PLAIN