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 1,374 regulated facilities (#10 of 33 in Massachusetts), including 8 (0.6%) High-Risk sites and $36,300 in federal penalties. Countywide due diligence also covers 3 Safe Drinking Water (SDWIS) facilities, 1,295 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 • BELMONT, MA (ZIP 02478 Sector) | HIGH (71/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CAMBRIDGE, MA (ZIP 02142 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CAMBRIDGE, MA (ZIP 02140 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • BEDFORD, MA (ZIP 01730 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • HOLLISTON, MA (ZIP 01746 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • FRAMINGHAM, MA (ZIP 01702 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CAMBRIDGE, MA (ZIP 02141 Sector) | MODERATE (47/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CHELMSFORD, MA (ZIP 01863 Sector) | MODERATE (41/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| ARSENAL PARK IMPROVEMENTS PROJECT - PHASE A FREE PREVIEW (LOW RISK) | 485 ARSENAL STREET, WATERTOWN, MA 02472 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| BILLERICA WATER TREATMENT FACILITY - INTAKE FREE PREVIEW (LOW RISK) | 250 BOSTON RD, NORTH BILLERICA, MA 01862 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| POTPOURRI DISTRIBUTION CENTER CONSTRUCTION PROJECT FREE PREVIEW (LOW RISK) | 3 DISTRIBUTION CENTER CIRCLE, LITTLETON, MA 01460 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| 20 CITYPOINT FREE PREVIEW (LOW RISK) | 480 + 494 TOTTEN POND ROAD, WALTHAM, MA 02451 | LOW (20/100) | 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 County, Massachusetts?
Public U.S. EPA records track 1,374 regulated facilities in Middlesex County County, Massachusetts (ranking #10 of 33 jurisdictions in MA). Of those, 8 (0.6%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 31 (2.3%) have active non-compliance quarters.
Which ZIP codes and cities in Middlesex County County have the highest regulated facility density?
Within Middlesex County County, the highest concentrations of EPA-tracked facilities are located in ZIP 02453 (Waltham, 197 sites), ZIP 02140 (Cambridge, 166 sites), ZIP 01742 (Concord, 158 sites), spanning municipal corridors including Concord (160 sites), Holliston (149 sites), Ashland (136 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Middlesex County County?
Across Middlesex County County, 34 facilities (2.5% 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 County, MA?
Geologic indoor air screening places Middlesex County 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 County, MA?
Federal records track 3 Safe Drinking Water (SDWIS) facilities, 1,295 Clean Water Act NPDES permits, and 631 impaired water dischargers in Middlesex County 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.