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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • COLCHESTER, CT

Colchester, Connecticut — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Colchester, CT?

Public U.S. EPA records track 65 regulated facilities in Colchester, Connecticut (New London County), including 1 High-Risk sites (1.5%) and 3 active violators. In addition to industrial waste, Colchester properties are screened for Tap Water & Watershed Permits (23 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 4 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites
65
High-Risk (1.5% vs 1.4% State)
1
Active Violators (4.6%)
3
Drinking & Clean Water
23
Federal Penalties
$0

Colchester, CT 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
New London County: 4 FEMA Declarations (4 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
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🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
10 SDWIS Systems • 13 NPDES Permits
🔒 0 Impaired Water (303d) & 7 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Colchester, CT Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 34 (52.3%)
Clean Water (NPDES) & Drinking Water (SDWIS) 23 (35.4%)
Active EPA Non-Compliance Dockets 3 (4.6%)
High-Risk Enforcement Facilities 1 (1.5%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (97.4/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. City vs. County & State Benchmark
Colchester High-Risk Rate 1.5%
New London County Average 1.4%
Connecticut (CT) Statewide Avg 1.4%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
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ZIP Codes in Colchester, CT

ZIP 06415 (66 sites • 1 High Risk)

Highest-Scored EPA Regulated Facilities in Colchester, CT

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

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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 • COLCHESTER, CT (ZIP 06415 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • COLCHESTER, CT (ZIP 06415 Sector) MODERATE (35/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • COLCHESTER, CT (ZIP 06415 Sector) MODERATE (31/100) Violation Identified (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • COLCHESTER, CT (ZIP 06415 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • COLCHESTER, CT (ZIP 06415 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • COLCHESTER, CT (ZIP 06415 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • COLCHESTER, CT (ZIP 06415 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • COLCHESTER, CT (ZIP 06415 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
S&S WORLDWIDE INC. FREE PREVIEW (LOW RISK) 75 MILL STREET, COLCHESTER, CT 06415 LOW (19/100) No Violation Identified (0 qtrs NC) $0
NOVA ELECTRONICS INC FREE PREVIEW (LOW RISK) 36 DOCTOR FOOTE RD, COLCHESTER, CT 06415 LOW (17/100) No Violation Identified (0 qtrs NC) $0
HILLTOP MOTORS INC FREE PREVIEW (LOW RISK) 435 S MAIN ST, COLCHESTER, CT 06415 LOW (17/100) No Violation Identified (0 qtrs NC) $0
ALPHA Q INC FREE PREVIEW (LOW RISK) UPTON RD, COLCHESTER, CT 06415 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 53 Additional Regulated & Enforcement Records in Colchester, CT Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Colchester, Connecticut Environmental Risk & Radon

How many EPA-regulated facilities are in Colchester, CT?

U.S. EPA records track 65 regulated facilities in Colchester, Connecticut, including 1 high-risk sites (1.5%), 3 active violators (4.6%), and 34 RCRA hazardous waste handlers (52.3%).

Which ZIP codes in Colchester, CT have the most EPA-tracked sites?

Within Colchester, regulated facilities are primarily concentrated across ZIP 06415 (66 sites).

How can I check a specific house or commercial property in Colchester, CT?

Enter the exact street address in Colchester into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in Colchester, CT and how many EPA water permits exist?

In Colchester, CT, federal registries track 10 Safe Drinking Water (SDWIS) facilities, 13 Clean Water Act NPDES permits, and 0 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Colchester, CT?

USDA regional soil screening for Colchester indicates a LOW shrink-swell foundation signal, and New London County has recorded 4 federal FEMA disaster declarations (4 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.

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