County page
Middlesex County
Middlesex County currently shows 14 Superfund sites, 572 imported facility profiles, and 200,108 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Middlesex County.
The latest loaded TRI year is 2024, with 200,108 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Charles George Reclamation Trust Landfill
Charles George Reclamation Trust Landfill is in EPA's Superfund layer for Tyngsborough, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Fort Devens
Fort Devens is in EPA's Superfund layer for Fort Devens, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Hanscom Field Hanscom Air Force Base
Hanscom Field Hanscom Air Force Base is in EPA's Superfund layer for Bedford, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Industri Plex
Industri Plex is in EPA's Superfund layer for Woburn, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Iron Horse Park
Iron Horse Park is in EPA's Superfund layer for Billerica, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Natick Laboratory Army Research Development and Engineering Center
Natick Laboratory Army Research Development and Engineering Center is in EPA's Superfund layer for Natick, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Naval Weapons Industrial Reserve Plant
Naval Weapons Industrial Reserve Plant is in EPA's Superfund layer for Bedford, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Nuclear Metals Inc
Nuclear Metals Inc is in EPA's Superfund layer for Concord, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Nyanza Chemical Waste Dump
Nyanza Chemical Waste Dump is in EPA's Superfund layer for Ashland, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Olin Chemical
Olin Chemical is in EPA's Superfund layer for Wilmington, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Silresim Chemical Corp
Silresim Chemical Corp is in EPA's Superfund layer for Lowell, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Sutton Brook Disposal Area
Sutton Brook Disposal Area is in EPA's Superfund layer for Tewksbury, MA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Hollingsworth & Vose
Violation Identified across 8 of the last 12 quarters, with $39,705 in recorded penalties.
Nasoya Foods Usa Llc
Violation Identified across 12 of the last 12 quarters, with $42,947 in recorded penalties.
Regional Wastewater Treatment Facility
Significant Violation across 11 of the last 12 quarters, with $200,000 in recorded penalties.
Mit Lincoln Laboratory
Significant Violation across 12 of the last 12 quarters, with $43,120 in recorded penalties.
Duncan Group the
Violation Identified across 7 of the last 12 quarters, with $10,800 in recorded penalties.
Univar Solutions Usa Inc
Significant noncompliance across 7 of the last 12 quarters, with $17,740 in recorded penalties.
Entegris Inc
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Brox Industries Paving Material
Violation Identified across 12 of the last 12 quarters, with $5,253 in recorded penalties.
Murphy Waste Oil Service
Significant Violation across 9 of the last 12 quarters, with $33,688 in recorded penalties.
Cirtec Medical
Significant Violation across 10 of the last 12 quarters, with $23,550 in recorded penalties.
Ast Products Inc
Significant noncompliance across 9 of the last 12 quarters, with $20,000 in recorded penalties.
Onto Innovation Inc Wilmington Jonspin
Significant Violation across 9 of the last 12 quarters, with $9,000 in recorded penalties.
M/a-com Technology Solutions
Significant noncompliance across 5 of the last 12 quarters, with $9,048 in recorded penalties.
Acton Metal Processing
Violation Identified across 8 of the last 12 quarters, with $11,688 in recorded penalties.
Greater Boston Gastroenterolo
Significant Violation across 8 of the last 12 quarters, with $3,660 in recorded penalties.
Kraft Power Corp
Significant noncompliance across 6 of the last 12 quarters, with $20,000 in recorded penalties.
Nth Cycle
Significant Violation across 6 of the last 12 quarters, with $18,000 in recorded penalties.
Schlumberger Technology Corporation
Significant noncompliance across 6 of the last 12 quarters, with $8,753 in recorded penalties.
Biovex Inc
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Entegris
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Toluene | Volatile organic compound | 8 | 111,742 lbs |
| Methanol | TRI-listed chemical | 8 | 22,561 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 5 | 16,800 lbs |
| Lead | Metals and metal compounds | 8 | 7,955 lbs |
| Trichloroethylene | TRI-listed chemical | 1 | 6,751 lbs |
| N, N-Dimethylformamide | TRI-listed chemical | 5 | 5,056 lbs |
| o-Xylene | Volatile organic compound | 1 | 4,841 lbs |
| Zinc compounds | TRI-listed chemical | 7 | 3,410 lbs |
| Dichloromethane | TRI-listed chemical | 3 | 2,512 lbs |
| Ammonia | TRI-listed chemical | 1 | 2,253 lbs |
| N-Methyl-2-pyrrolidone | TRI-listed chemical | 8 | 1,918 lbs |
| Ethylbenzene | Volatile organic compound | 2 | 1,529 lbs |
| Di(2-ethylhexyl) phthalate | TRI-listed chemical | 1 | 1,053 lbs |
| n-Hexane | TRI-listed chemical | 2 | 762 lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 2 | 737 lbs |
| Triethylamine | TRI-listed chemical | 1 | 538 lbs |
| Nitric acid | TRI-listed chemical | 9 | 537 lbs |
| Hydrogen fluoride | TRI-listed chemical | 2 | 466 lbs |
| Methyl tert-butyl ether | TRI-listed chemical | 1 | 301 lbs |
| Certain glycol ethers | TRI-listed chemical | 2 | 298 lbs |
Violation pages
State-level violation context tied to this county
-
Clean Air Act violations in Massachusetts
Massachusetts facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
-
Clean Water Act violations in Massachusetts
Massachusetts facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
-
RCRA violations in Massachusetts
Massachusetts facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.