Middlesex County, Massachusetts — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Middlesex County, MA?
In Middlesex County, Massachusetts, public U.S. EPA records track 10,745 regulated facilities (#1 of 33 in Massachusetts), including 107 (1.0%) High-Risk sites and $24,809,559 in federal penalties. Countywide due diligence also covers 240 Safe Drinking Water (SDWIS) facilities, 2,163 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Middlesex County, MA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Middlesex County, MA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Middlesex County
ZIP Codes in Middlesex County
Top EPA Regulated Facilities in Middlesex County, MA
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • LEXINGTON, MA (ZIP 02421 Sector) | HIGH (90/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ASHLAND, MA (ZIP 01721 Sector) | HIGH (89/100) | Significant Violation (10 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WOBURN, MA (ZIP 01801 Sector) | HIGH (87/100) | Significant Violation (10 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • AYER, TOWN OF, MA (ZIP 01432 Sector) | HIGH (78/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • LOWELL, MA (ZIP 01854 Sector) | HIGH (78/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GROTON, MA (ZIP 01450 Sector) | HIGH (75/100) | Violation Identified (9 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MARLBOROUGH, MA (ZIP 01752 Sector) | HIGH (75/100) | Violation Identified (10 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BURLINGTON, MA (ZIP 01803 Sector) | HIGH (75/100) | Significant Violation (10 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| WELLESLEY PRESS INC FREE PREVIEW (LOW RISK) | 190 FOUNTAIN ST, FRAMINGHAM, MA 01702 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SUBURBAN AUTO TRANSMISSION CO FREE PREVIEW (LOW RISK) | 235 HIGH ST, WALTHAM, MA 02154 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ELPIS BIOPHARMACEUTICALS FREE PREVIEW (LOW RISK) | 128 SPRING ST, LEXINGTON, MA 02421 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| VDA INC FREE PREVIEW (LOW RISK) | 63 INNER BELT ROAD, SOMERVILLE, MA 02143 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Middlesex County, Massachusetts Environmental Due Diligence
How many EPA-regulated environmental sites are in Middlesex County, Massachusetts?
Public U.S. EPA records track 10,745 regulated facilities in Middlesex County, Massachusetts (ranking #1 of 33 jurisdictions in MA). Of those, 107 (1.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 142 (1.3%) have active non-compliance quarters.
Which ZIP codes and cities in Middlesex County have the highest regulated facility density?
Within Middlesex County, the highest concentrations of EPA-tracked facilities are located in ZIP 01801 (Woburn, 727 sites), ZIP 02139 (Cambridge, 534 sites), ZIP 01752 (Marlborough, 448 sites), spanning municipal corridors including Cambridge (1,342 sites), Woburn (734 sites), Waltham (693 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Middlesex County?
Across Middlesex County, 9,515 facilities (88.6% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Middlesex County, MA?
Geologic indoor air screening places Middlesex County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Middlesex County, MA?
Federal records track 240 Safe Drinking Water (SDWIS) facilities, 2,163 Clean Water Act NPDES permits, and 1,104 impaired water dischargers in Middlesex County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Middlesex County, MA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Middlesex County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.