Fairfield County, Connecticut — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Fairfield County, CT?
In Fairfield County, Connecticut, public U.S. EPA records track 133 regulated facilities (#11 of 16 in Connecticut), including 4 (3.0%) High-Risk sites and $67,533 in federal penalties. Countywide due diligence also covers 2 Safe Drinking Water (SDWIS) facilities, 99 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (5 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Fairfield County, CT 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Fairfield County, CT Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Fairfield County
ZIP Codes in Fairfield County
Top EPA Regulated Facilities in Fairfield County, CT
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 • DARIEN, CT (ZIP 06820 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • STAMFORD, CT (ZIP 06901 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NEW FAIRFIELD, CT (ZIP 06812 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • NEW CANAAN, CT (ZIP 06840 Sector) | MODERATE (41/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • STRATFORD, CT (ZIP 06614 Sector) | MODERATE (37/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • EAST NORWALK, CT (ZIP 06855 Sector) | MODERATE (35/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • DANBURY, CT (ZIP 06810 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • STAMFORD, CT (ZIP 06901 Sector) | MODERATE (31/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| AQUARION WATER COMPANY OF CONNECTICUT FREE PREVIEW (LOW RISK) | 714 BLACK ROCK TURNPIKE, EASTON, CT 06612 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| POLYONE DESIGNED STRUCTURES AND SOLUTIONS, LLC FREE PREVIEW (LOW RISK) | 69 SOUTHFIELD AVE, STAMFORD, CT 06902 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| ROLYMPUS (US) COMMODITIES GROUP, LLC - PADD 1 FREE PREVIEW (LOW RISK) | 2200 ATLANTIC STREET, STAMFORD, CT 06902 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| HINCKLEY YACHT SERVICES STAMFORD FREE PREVIEW (LOW RISK) | 2 SELLECK ST, STAMFORD, CT 06902 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Fairfield County, Connecticut Environmental Due Diligence
How many EPA-regulated environmental sites are in Fairfield County County, Connecticut?
Public U.S. EPA records track 133 regulated facilities in Fairfield County County, Connecticut (ranking #11 of 16 jurisdictions in CT). Of those, 4 (3.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 9 (6.8%) have active non-compliance quarters.
Which ZIP codes and cities in Fairfield County County have the highest regulated facility density?
Within Fairfield County County, the highest concentrations of EPA-tracked facilities are located in ZIP 06284 (Fairfield, 1 sites), ZIP 06885 (Norwalk, 1 sites), spanning municipal corridors including Ridgefield (79 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Fairfield County County?
Across Fairfield County County, 9 facilities (6.8% 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 Fairfield County County, CT?
Geologic indoor air screening places Fairfield 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 Fairfield County County, CT?
Federal records track 2 Safe Drinking Water (SDWIS) facilities, 99 Clean Water Act NPDES permits, and 40 impaired water dischargers in Fairfield County County, alongside 5 historical FEMA federal disaster declarations (5 flood/storm events).
Does Fairfield County, CT have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Fairfield County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.