Strafford County, New Hampshire — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Strafford County, NH?
In Strafford County, New Hampshire, public U.S. EPA records track 1,743 regulated facilities (#5 of 21 in New Hampshire), including 9 (0.5%) High-Risk sites and $5,528,975 in federal penalties. Countywide due diligence also covers 149 Safe Drinking Water (SDWIS) facilities, 332 Clean Water NPDES permits, 9 FEMA Federal Disaster Declarations (8 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Strafford County, NH 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Strafford County, NH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Strafford County
ZIP Codes in Strafford County
Top EPA Regulated Facilities in Strafford County, NH
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 • FARMINGTON, NH (ZIP 03835 Sector) | HIGH (67/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • NEW DURHAM, NH (ZIP 03855 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ROLLINSFORD, NH (ZIP 03869 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ROCHESTER, NH (ZIP 03867 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NEW DURHAM, NH (ZIP 03855 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SOMERSWORTH, NH (ZIP 03878 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MILTON, NH (ZIP 03851 Sector) | MODERATE (42/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DOVER, NH (ZIP 03820 Sector) | MODERATE (39/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| ZELLAR AUTOMOTIVE FREE PREVIEW (LOW RISK) | 64 RIVER RD, ROCHESTER, NH 03867 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| LORD & KEENAN FREE PREVIEW (LOW RISK) | SUMMER ST, ROCHESTER, NH 03867 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| WILLEY MR & MRS FREE PREVIEW (LOW RISK) | DAME RD, DURHAM, NH 03824 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| RUSTIC RIVER CUSTOM FINISH INC FREE PREVIEW (LOW RISK) | 1 FRONT STSUITE 204, ROLLINSFORD, NH 03869 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Strafford County, New Hampshire Environmental Due Diligence
How many EPA-regulated environmental sites are in Strafford County, New Hampshire?
Public U.S. EPA records track 1,743 regulated facilities in Strafford County, New Hampshire (ranking #5 of 21 jurisdictions in NH). Of those, 9 (0.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 21 (1.2%) have active non-compliance quarters.
Which ZIP codes and cities in Strafford County have the highest regulated facility density?
Within Strafford County, the highest concentrations of EPA-tracked facilities are located in ZIP 03820 (Dover, 587 sites), ZIP 03867 (Rochester, 430 sites), ZIP 03878 (Somersworth, 240 sites), spanning municipal corridors including Dover (572 sites), Rochester (572 sites), Durham (144 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Strafford County?
Across Strafford County, 1,476 facilities (84.7% 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 Strafford County, NH?
Geologic indoor air screening places Strafford 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 Strafford County, NH?
Federal records track 149 Safe Drinking Water (SDWIS) facilities, 332 Clean Water Act NPDES permits, and 299 impaired water dischargers in Strafford County, alongside 9 historical FEMA federal disaster declarations (8 flood/storm events).
Does Strafford County, NH have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Strafford County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.