Windham County, Connecticut — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Windham County, CT?
In Windham County, Connecticut, public U.S. EPA records track 872 regulated facilities (#7 of 16 in Connecticut), including 24 (2.8%) High-Risk sites and $605,500 in federal penalties. Countywide due diligence also covers 338 Safe Drinking Water (SDWIS) facilities, 173 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Windham 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📊 Windham County, CT Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Windham County
ZIP Codes in Windham County
Top EPA Regulated Facilities in Windham 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 • PLAINFIELD, CT (ZIP 06374 Sector) | HIGH (70/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PLAINFIELD, CT (ZIP 06374 Sector) | HIGH (66/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • POMFRET, CT (ZIP 06258 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • POMFRET CENTER, CT (ZIP 06259 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MOOSUP, CT (ZIP 06354 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PUTNAM, CT (ZIP 06260 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PLAINFIELD, CT (ZIP 06374 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • THOMPSON, CT (ZIP 06277 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| COUTO AUTO SALES INC FREE PREVIEW (LOW RISK) | 1535 WEST MAIN STREET, WILLIMANTIC, CT 06226 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| UNION ROTO-GRAVING, INC. FREE PREVIEW (LOW RISK) | 124 POMFRET ST., PUTNAM, CT 06260 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| AGT - VALVE SITE 33A-2X3 CROSSOVER KENNERSON RD FREE PREVIEW (LOW RISK) | KENNERSON ROAD, ASHFORD, CT 06278 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| FHLMC FREE PREVIEW (LOW RISK) | 86 LOWELL DAVIS RD, THOMPSON, CT 06277 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Windham County, Connecticut Environmental Due Diligence
How many EPA-regulated environmental sites are in Windham County, Connecticut?
Public U.S. EPA records track 872 regulated facilities in Windham County, Connecticut (ranking #7 of 16 jurisdictions in CT). Of those, 24 (2.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 112 (12.8%) have active non-compliance quarters.
Which ZIP codes and cities in Windham County have the highest regulated facility density?
Within Windham County, the highest concentrations of EPA-tracked facilities are located in ZIP 06260 (Putnam, 99 sites), ZIP 06374 (Plainfield, 84 sites), ZIP 06226 (Willimantic, 72 sites), spanning municipal corridors including Putnam (99 sites), Plainfield (90 sites), Willimantic (72 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Windham County?
Across Windham County, 363 facilities (41.6% 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 Windham County, CT?
Geologic indoor air screening places Windham 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 Windham County, CT?
Federal records track 338 Safe Drinking Water (SDWIS) facilities, 173 Clean Water Act NPDES permits, and 45 impaired water dischargers in Windham County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).
Does Windham County, CT have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Windham 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.