ZIP 06854 (Norwalk, CT) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 06854 in Norwalk, Connecticut (Fairfield County) has 119 EPA-tracked facilities, including 3 High-Risk sites (2.5%), 3 active violators, and $151,483 in federal penalties. Beyond industrial pollution, properties in ZIP 06854 are screened across 5 historical Fairfield County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (20), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 06854 (Norwalk, CT) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 06854 (Norwalk, CT) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 06854 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 3 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 06854 (Norwalk, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • NORWALK, CT (ZIP 06854 Sector) | MODERATE (47/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • NORWALK, CT (ZIP 06854 Sector) | MODERATE (44/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NORWALK, CT (ZIP 06854 Sector) | MODERATE (42/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • NORWALK, CT (ZIP 06854 Sector) | MODERATE (35/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NORWALK, CT (ZIP 06854 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NORWALK, CT (ZIP 06854 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NORWALK, CT (ZIP 06854 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NORWALK, CT (ZIP 06854 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| NORWALK TRANSIT DISTRICT FREE PREVIEW (LOW RISK) | 275 WILSON AVE, NORWALK, CT 06854 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| NRG NORWALK HARBOR POWER STATION FREE PREVIEW (LOW RISK) | MANRESA ISLAND AVE, NORWALK, CT 06854 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| THE NASH ENGINEERING COMPANY FREE PREVIEW (LOW RISK) | 310 WILSON AVENUE, NORWALK, CT 06854 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| HOWE FURNITURE CORP FREE PREVIEW (LOW RISK) | 151 WOODWARD AVE, NORWALK, CT 06854 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 06854 (Norwalk, CT) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 06854 (Norwalk, CT)?
ZIP code 06854 (Norwalk, CT) contains 119 EPA-tracked facilities, of which 3 (2.5%) are classified in the High-Risk tier, 3 (2.5%) have active compliance violations, and 88 (73.9%) handle RCRA hazardous waste.
How does ZIP 06854 compare to Fairfield County and Connecticut averages?
In ZIP 06854, 2.5% of regulated sites are rated High Risk, compared to 1.4% across Fairfield County and 1.4% statewide in Connecticut.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 06854?
Geologic screening places ZIP 06854 in EPA Zone 1 — High Potential (> 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 06854 (Norwalk, CT) in a FEMA flood zone and what is the flood disaster history?
Fairfield County has recorded 5 historical FEMA federal disaster declarations (5 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 06854 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 06854 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 06854 indicates a LOW shrink-swell risk signal. Within ZIP 06854, federal registries track 0 SDWIS drinking water facilities, 20 Clean Water NPDES permits, and 11 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.