Hillsborough County, New Hampshire — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Hillsborough County, NH?
In Hillsborough County, New Hampshire, public U.S. EPA records track 560 regulated facilities (#13 of 21 in New Hampshire), including 4 (0.7%) High-Risk sites and $138,224 in federal penalties. Countywide due diligence also covers 10 Safe Drinking Water (SDWIS) facilities, 481 Clean Water NPDES permits, 9 FEMA Federal Disaster Declarations (8 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Hillsborough 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📊 Hillsborough County, NH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Hillsborough County
ZIP Codes in Hillsborough County
Top EPA Regulated Facilities in Hillsborough 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 • MANCHESTER, NH (ZIP 03103 Sector) | HIGH (69/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WEARE, NH (ZIP 03281 Sector) | HIGH (67/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WILTON, NH (ZIP 03086 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MERRIMACK, NH (ZIP 03054 Sector) | MODERATE (47/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MILFORD, NH (ZIP 03055 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PETERBOROUGH, NH (ZIP 03458 Sector) | MODERATE (38/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NASHUA, NH (ZIP 03062 Sector) | MODERATE (35/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MANCHESTER, NH (ZIP 03104 Sector) | MODERATE (33/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| PENNICHUCK WATER WORKS FREE PREVIEW (LOW RISK) | 200 CONCORD STREET, NASHUA, NH 03064 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| WS PACKAGING GROUP INC FREE PREVIEW (LOW RISK) | 1 RIVERSIDE WAY, WILTON, NH 03086 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| LYOPHILIZATION SERVICES OF NEW ENGLAND, INC. FREE PREVIEW (LOW RISK) | 29 HARVEY RD, BEDFORD, NH 03110 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| NEW BOSTON AIR FORCE STATION FREE PREVIEW (LOW RISK) | 317 CHESTNUT HILL RD, NEW BOSTON, NH 03070 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Hillsborough County, New Hampshire Environmental Due Diligence
How many EPA-regulated environmental sites are in Hillsborough County County, New Hampshire?
Public U.S. EPA records track 560 regulated facilities in Hillsborough County County, New Hampshire (ranking #13 of 21 jurisdictions in NH). Of those, 4 (0.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 6 (1.1%) have active non-compliance quarters.
Which ZIP codes and cities in Hillsborough County County have the highest regulated facility density?
Within Hillsborough County County, the highest concentrations of EPA-tracked facilities are located in ZIP 03104 (Manchester, 240 sites), ZIP 03045 (Goffstown, 212 sites), ZIP 03052 (Litchfield, 62 sites), spanning municipal corridors including Goffstown (211 sites), Litchfield (64 sites), Pelham, Windham, Hudson (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Hillsborough County County?
Across Hillsborough County County, 16 facilities (2.9% 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 Hillsborough County County, NH?
Geologic indoor air screening places Hillsborough County 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 Hillsborough County County, NH?
Federal records track 10 Safe Drinking Water (SDWIS) facilities, 481 Clean Water Act NPDES permits, and 444 impaired water dischargers in Hillsborough County County, alongside 9 historical FEMA federal disaster declarations (8 flood/storm events).
Does Hillsborough County, NH have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Hillsborough County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.