6-IN-1 STATE ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • CT
Scan an Address in Connecticut →
Connecticut (CT) — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
According to public U.S. EPA, USDA, and FEMA registries (current as of November 01, 2026), Connecticut tracks 25,161 EPA-regulated facilities, including 357 High-Risk sites (1.4%), 1,162 active violators, and $52,093,280 in federal penalties. Statewide environmental due diligence also covers 10,462 Safe Drinking Water (SDWIS) facilities, 3,576 Clean Water NPDES permits, 7 historical FEMA disaster declarations, USDA Soil Shrink-Swell (LOW regional signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Total EPA Sites
25,161
High-Risk Sites (1.4%)
357
Active Violators (4.6%)
1,162
Drinking & Clean Water
14,038
Federal Penalties
$52,093,280
Connecticut (CT) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Screening Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan🌊 Flood Zone & FEMA Disaster History
7 Statewide FEMA Declarations (6 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Regional Shrink-Swell 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
10,462 SDWIS Systems • 3,576 NPDES Permits
🔒 1,159 Impaired Water (303d) & 1,784 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked
📊 Connecticut (CT) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)1. Regulatory & Water Program Composition
RCRA Hazardous Waste Generators
9,751 (38.8%)
Clean Water (NPDES) & Drinking Water (SDWIS)
14,038 (55.8%)
Active EPA Non-Compliance Dockets
1,162 (4.6%)
High-Risk Enforcement Facilities
357 (1.4%)
2. FEMA NRI & USGS Hazard Index (1–10)
Relatively High (97.4/100)
🌊 Flood Exposure
10/10 • Relatively High
🔥 Wildfire Hazard
6/10 • Very Low
☀️ Extreme Heat
10/10 • Relatively Moderate
🌪️ Severe Wind / Storm
9/10 • Relatively High
🫨 USGS Earthquake
9/10 • Relatively Moderate
3. High-Risk Density vs. U.S. Baseline
Connecticut (CT) High-Risk Rate
1.4%
U.S. National EPA Baseline
3.6%
Why Scan a Specific Street Address? Public state pages show aggregate counts only. A paid property report unlocks exact facility names & distances in feet, USDA soil LEP % & water table depth, utility water violations, and parcel FEMA flood zone.
Major Municipal Environmental Directories in Connecticut
Hartford
525 sites
New Haven
513 sites
Bridgeport
504 sites
Stamford
496 sites
Waterbury
449 sites
Danbury
395 sites
Norwalk
325 sites
Milford
266 sites
Meriden
258 sites
Wallingford
257 sites
Stratford
255 sites
Bristol
243 sites
Manchester
239 sites
East Hartford
236 sites
New Britain
230 sites
Middletown
208 sites
North Haven
196 sites
Torrington
194 sites
Greenwich
193 sites
Hamden
183 sites
Enfield
180 sites
Bloomfield
176 sites
West Hartford
175 sites
South Windsor
171 sites
Norwich
165 sites
Branford
164 sites
West Haven
161 sites
Fairfield
160 sites
Shelton
154 sites
Southington
154 sites
Windsor
152 sites
New Milford
151 sites
Farmington
145 sites
New London
137 sites
Newington
133 sites
Cheshire
133 sites
Groton
131 sites
Brookfield
126 sites
Naugatuck
116 sites
Plainville
114 sites
Glastonbury
110 sites
Windsor Locks
108 sites
Westport
105 sites
Bethel
102 sites
Berlin
101 sites
Rocky Hill
101 sites
Putnam
99 sites
Newtown
97 sites
Watertown
95 sites
Trumbull
93 sites
Plainfield
90 sites
Monroe
89 sites
East Windsor
89 sites
Waterford
85 sites
Orange
82 sites
Ridgefield
79 sites
Thomaston
77 sites
Old Saybrook
73 sites
East Haven
73 sites
Clinton
72 sites
Counties in Connecticut (60)
Highest-Density ZIP Codes in Connecticut
| ZIP Code | City | Total Sites | High Risk |
|---|---|---|---|
| 06443 | Madison | 67 | 9 |
| 06810 | Danbury | 334 | 7 |
| 06492 | Wallingford | 262 | 7 |
| 06473 | North Haven | 197 | 7 |
| 06410 | Cheshire | 131 | 6 |
| 06437 | Guilford | 67 | 6 |
| 06010 | Bristol | 244 | 5 |
| 06450 | Meriden | 183 | 5 |
| 06708 | Waterbury | 140 | 5 |
| 06615 | Stratford | 127 | 5 |
| 06804 | Brookfield | 125 | 5 |
| 06037 | Berlin | 124 | 5 |
| 06042 | Manchester | 84 | 5 |
| 06374 | Plainfield | 84 | 5 |
| 06475 | Old Saybrook | 73 | 5 |
| 06026 | East Granby | 53 | 5 |
| 06279 | Willington | 48 | 5 |
| 06511 | New Haven | 190 | 4 |
| 06002 | Bloomfield | 176 | 4 |
| 06074 | South Windsor | 168 | 4 |
| 06340 | Groton | 133 | 4 |
| 06801 | Bethel | 101 | 4 |
| 06488 | Southbury | 71 | 4 |
| 06382 | Uncasville | 42 | 4 |
| 06457 | Middletown | 206 | 3 |
| 06516 | West Haven | 162 | 3 |
| 06051 | New Britain | 152 | 3 |
| 06776 | New Milford | 150 | 3 |
| 06830 | Greenwich | 134 | 3 |
| 06512 | New Haven | 126 | 3 |
| 06854 | Norwalk | 119 | 3 |
| 06770 | Naugatuck | 116 | 3 |
| 06260 | Putnam | 99 | 3 |
| 06470 | Newtown | 98 | 3 |
| 06795 | Watertown | 87 | 3 |
| 06704 | Waterbury | 82 | 3 |
| 06877 | Ridgefield | 78 | 3 |
| 06413 | Clinton | 72 | 3 |
| 06478 | Oxford | 57 | 3 |
| 06241 | Dayville | 56 | 3 |
| 06905 | Stamford | 54 | 3 |
| 06498 | Westbrook | 52 | 3 |
| 06268 | Storrs Mansfield | 48 | 3 |
| 06831 | Greenwich | 45 | 3 |
| 06426 | Essex | 44 | 3 |
| 06258 | Pomfret | 11 | 3 |
| 06460 | Milford | 228 | 2 |
| 06108 | East Hartford | 200 | 2 |
| 06790 | Torrington | 193 | 2 |
| 06082 | Enfield | 176 | 2 |
| 06405 | Branford | 166 | 2 |
| 06320 | New London | 135 | 2 |
| 06114 | Hartford | 114 | 2 |
| 06062 | Plainville | 113 | 2 |
| 06033 | Glastonbury | 108 | 2 |
| 06096 | Windsor Locks | 106 | 2 |
| 06513 | New Haven | 105 | 2 |
| 06110 | West Hartford | 99 | 2 |
| 06468 | Monroe | 84 | 2 |
| 06477 | Orange | 83 | 2 |
Highest-Scored EPA Enforcement & Contamination Facilities in Connecticut
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 • NEW HAVEN, CT (ZIP 06512 Sector) | HIGH (98/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BRISTOL, CT (ZIP 06010 Sector) | HIGH (97/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BRIDGEPORT, CT (ZIP 06610 Sector) | HIGH (93/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WALLINGFORD, CT (ZIP 06492 Sector) | HIGH (86/100) | Significant Violation (8 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • STRATFORD, CT (ZIP 06615 Sector) | HIGH (84/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • STRATFORD, CT (ZIP 06615 Sector) | HIGH (83/100) | Significant Violation (8 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NEW BRITAIN, CT (ZIP 06051 Sector) | HIGH (81/100) | Violation Identified (11 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • THOMASTON, CT (ZIP 06787 Sector) | HIGH (79/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| DIAMOND ROLLER FREE PREVIEW (LOW RISK) | 36 MASCOLO ROAD, SOUTH WINDSOR, CT 06074 | LOW (20/100) | No Violation Identified (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 |
| MANSFIELD NON-PROFIT HOUSING DEVELOPMENT CORP FREE PREVIEW (LOW RISK) | 309 MAPLE RD, STORRS MANSFIELD, CT 06268 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| TOWN OF WATERFORD WATER DEPT CONT# SR1964521 15 ROPE FERRY RD FREE PREVIEW (LOW RISK) | 45 FARGO RD, WATERFORD, CT 06385 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
🔒 + 25,149 Additional Regulated & Enforcement Records in Connecticut Redacted from Public Directory
Run 1-Mile Property Scan to Unlock All Records →
Frequently Asked Questions — Connecticut (CT) Environmental Due Diligence & EPA Dataset
How many EPA-regulated environmental sites and high-risk facilities are in Connecticut?
Public U.S. EPA records track 25,161 regulated facilities across Connecticut. Of those, 357 (1.4%) are classified in the High-Risk tier due to formal enforcement actions, penalties, or toxic chemical releases, and 1,162 (4.6%) have active non-compliance quarters.
Which counties and ZIP codes in Connecticut have the highest concentration of EPA-regulated sites?
In Connecticut, the highest regulated facility volumes are concentrated in Hartford County (3,851 sites), Fairfield County (3,712 sites), New Haven County (3,594 sites), New London County (1,519 sites), with key high-risk postal sectors including ZIP 06443 (Madison, 9 high-risk), ZIP 06810 (Danbury, 7 high-risk), ZIP 06492 (Wallingford, 7 high-risk), ZIP 06473 (North Haven, 7 high-risk).
How many drinking water systems (SDWIS), Clean Water permits, and FEMA disaster declarations are recorded in Connecticut?
Statewide in Connecticut, federal registries track 10,462 Safe Drinking Water (SDWIS) facilities, 3,576 Clean Water Act NPDES permits, and 1,159 impaired water body (303d) dischargers, alongside 7 historical FEMA disaster declarations.
What is the EPA Radon Zone and USDA Soil Foundation Risk for properties in Connecticut?
Regional geologic screening places Connecticut in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L) with USDA regional soil shrink-swell rated LOW. Run a street address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.