Nantucket County, Massachusetts — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Nantucket County, MA?
In Nantucket County, Massachusetts, public U.S. EPA records track 76 regulated facilities (#26 of 33 in Massachusetts), including 3 (3.9%) High-Risk sites and $5,000 in federal penalties. Countywide due diligence also covers 7 Safe Drinking Water (SDWIS) facilities, 22 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Nantucket 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📊 Nantucket County, MA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Nantucket County
ZIP Codes in Nantucket County
Top EPA Regulated Facilities in Nantucket 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • NANTUCKET, MA (ZIP 02554 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • NANTUCKET, MA (ZIP 02554 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NANTUCKET, MA (ZIP 02554 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • NANTUCKET, MA (ZIP 02554 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NANTUCKET, MA (ZIP 02554 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NANTUCKET, MA (ZIP 02554 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NANTUCKET, MA (ZIP 02554 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NANTUCKET, MA (ZIP 02554 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| NANTUCKET COTTAGE HOSPITAL FREE PREVIEW (LOW RISK) | 57 PROSPECT ST, NANTUCKET, MA 02554 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| MADAKET MARINE FREE PREVIEW (LOW RISK) | 20 NORTH CAMBRIDGE ST, NANTUCKET, MA 02554 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| NANTUCKET ELECTRIC COMPANY FREE PREVIEW (LOW RISK) | FAIRGROUNDS RD, NANTUCKET, MA 02554 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| NANTUCKET - WASTEWATER SYSTEM FREE PREVIEW (LOW RISK) | 188 MADAKET ROAD, NANTUCKET, MA 02554 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Nantucket County, Massachusetts Environmental Due Diligence
How many EPA-regulated environmental sites are in Nantucket County, Massachusetts?
Public U.S. EPA records track 76 regulated facilities in Nantucket County, Massachusetts (ranking #26 of 33 jurisdictions in MA). Of those, 3 (3.9%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 2 (2.6%) have active non-compliance quarters.
Which ZIP codes and cities in Nantucket County have the highest regulated facility density?
Within Nantucket County, the highest concentrations of EPA-tracked facilities are located in ZIP 02554 (Nantucket, 97 sites), ZIP 02564 (Siasconset, 2 sites), spanning municipal corridors including Nantucket (98 sites), Siasconset (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Nantucket County?
Across Nantucket County, 57 facilities (75.0% 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 Nantucket County, MA?
Geologic indoor air screening places Nantucket County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Nantucket County, MA?
Federal records track 7 Safe Drinking Water (SDWIS) facilities, 22 Clean Water Act NPDES permits, and 1 impaired water dischargers in Nantucket County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Nantucket County, MA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Nantucket 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.