Carroll County, New Hampshire — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Carroll County, NH?
In Carroll County, New Hampshire, public U.S. EPA records track 1,208 regulated facilities (#9 of 21 in New Hampshire), including 6 (0.5%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 359 Safe Drinking Water (SDWIS) facilities, 107 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (4 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Carroll 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📊 Carroll County, NH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Carroll County
ZIP Codes in Carroll County
Top EPA Regulated Facilities in Carroll 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 • TAMWORTH, NH (ZIP 03886 Sector) | HIGH (67/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MADISON, NH (ZIP 03849 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GILFORD, NH (ZIP 03249 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CENTER HARBOR, NH (ZIP 03226 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PORTSMOUTH, NH (ZIP 03801 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BEDFORD, NH (ZIP 03110 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MOULTONBOROUGH, NH (ZIP 03254 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CONWAY, NH (ZIP 03818 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| MADISON LUMBER MILL FREE PREVIEW (LOW RISK) | 71 MARCELLA DRIVE, MADISON, NH 03849 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| CVS PHARMACY 0650 FREE PREVIEW (LOW RISK) | 1351 WHITE MTN HWY, CONWAY, NH 03860 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| GOVERNOR WENTWORTH REGIONAL SCHOOL DISTRICT FREE PREVIEW (LOW RISK) | 384 S MAIN ST, WOLFEBORO, NH 03894 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| JOHNSON PRODUCTS INC FREE PREVIEW (LOW RISK) | RTE 16, TAMWORTH, NH 03886 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Carroll County, New Hampshire Environmental Due Diligence
How many EPA-regulated environmental sites are in Carroll County, New Hampshire?
Public U.S. EPA records track 1,208 regulated facilities in Carroll County, New Hampshire (ranking #9 of 21 jurisdictions in NH). Of those, 6 (0.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 25 (2.1%) have active non-compliance quarters.
Which ZIP codes and cities in Carroll County have the highest regulated facility density?
Within Carroll County, the highest concentrations of EPA-tracked facilities are located in ZIP 03818 (Conway, 155 sites), ZIP 03894 (Wolfeboro, 141 sites), ZIP 03860 (Conway, 101 sites), spanning municipal corridors including Conway (249 sites), Wolfeboro (145 sites), Moultonborough (100 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Carroll County?
Across Carroll County, 800 facilities (66.2% 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 Carroll County, NH?
Geologic indoor air screening places Carroll 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 Carroll County, NH?
Federal records track 359 Safe Drinking Water (SDWIS) facilities, 107 Clean Water Act NPDES permits, and 105 impaired water dischargers in Carroll County, alongside 5 historical FEMA federal disaster declarations (4 flood/storm events).
Does Carroll County, NH have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Carroll County indicates a LOW 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.