ZIP 06831 (Greenwich, CT) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 06831 in Greenwich, Connecticut (New Haven County) has 45 EPA-tracked facilities, including 3 High-Risk sites (6.7%), 7 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 06831 are screened across 6 historical New Haven County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (27), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 06831 (Greenwich, 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 06831 (Greenwich, CT) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 06831 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 3 High-Risk and 7 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 06831 (Greenwich, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • GREENWICH, CT (ZIP 06831 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 • GREENWICH, CT (ZIP 06831 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 • GREENWICH, CT (ZIP 06831 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GREENWICH, CT (ZIP 06831 Sector) | MODERATE (37/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GREENWICH, CT (ZIP 06831 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GREENWICH, CT (ZIP 06831 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GREENWICH, CT (ZIP 06831 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GREENWICH, CT (ZIP 06831 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| GREENWICH LAURELTON NURSING HOME FREE PREVIEW (LOW RISK) | 1188 KING ST,, GREENWICH, CT 06831 | LOW (17/100) | Inactive (0 qtrs NC) | $0 |
| DOT CT STATE OF FREE PREVIEW (LOW RISK) | METRO NORTH BRIDGES OVER SOUND BEACH, GREENWICH, CT 06831 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CLEAN HARBORS ENV HHHW FREE PREVIEW (LOW RISK) | ISLAND BEACH PARKING LOT, 121 ARCH ST,, GREENWICH, CT 06831 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| THE BRUNSWICK SCHOOL FREE PREVIEW (LOW RISK) | 1252 KING ST, GREENWICH, CT 06831 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 06831 (Greenwich, 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 06831 (Greenwich, CT)?
ZIP code 06831 (Greenwich, CT) contains 45 EPA-tracked facilities, of which 3 (6.7%) are classified in the High-Risk tier, 7 (15.6%) have active compliance violations, and 19 (42.2%) handle RCRA hazardous waste.
How does ZIP 06831 compare to New Haven County and Connecticut averages?
In ZIP 06831, 6.7% of regulated sites are rated High Risk, compared to 2.2% across New Haven County and 1.4% statewide in Connecticut.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 06831?
Geologic screening places ZIP 06831 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 06831 (Greenwich, CT) in a FEMA flood zone and what is the flood disaster history?
New Haven County has recorded 6 historical FEMA federal disaster declarations (5 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 06831 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 06831 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 06831 indicates a LOW shrink-swell risk signal. Within ZIP 06831, federal registries track 8 SDWIS drinking water facilities, 19 Clean Water NPDES permits, and 6 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.