Merrimack County, Connecticut — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Merrimack County, CT?
In Merrimack County, Connecticut, public U.S. EPA records track 1 regulated facilities (#33 of 33 in Connecticut), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 0 Clean Water NPDES permits, 7 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Merrimack 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📊 Merrimack County, CT Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Merrimack County
ZIP Codes in Merrimack County
Top EPA Regulated Facilities in Merrimack 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 |
|---|---|---|---|---|
| ABENAKI WATER/WHITE ROCK WATER-TREATMENT FACILITY FREE PREVIEW (LOW RISK) | 200 MONROE TNPK, MONROE, CT 06408 | LOW (9/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Merrimack County, Connecticut Environmental Due Diligence
How many EPA-regulated environmental sites are in Merrimack County, Connecticut?
Public U.S. EPA records track 1 regulated facilities in Merrimack County, Connecticut (ranking #33 of 33 jurisdictions in CT). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Merrimack County have the highest regulated facility density?
Within Merrimack County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Merrimack.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Merrimack County?
Across Merrimack County, 0 facilities (0.0% 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 Merrimack County, CT?
Geologic indoor air screening places Merrimack County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Merrimack County, CT?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water dischargers in Merrimack County, alongside 7 historical FEMA federal disaster declarations (6 flood/storm events).
Does Merrimack County, CT have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Merrimack 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.