6-IN-1 STATE ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • NH
Scan an Address in New Hampshire →
New Hampshire (NH) — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
According to public U.S. EPA, USDA, and FEMA registries (current as of November 01, 2026), New Hampshire tracks 28,415 EPA-regulated facilities, including 154 High-Risk sites (0.5%), 311 active violators, and $47,879,860 in federal penalties. Statewide environmental due diligence also covers 3,726 Safe Drinking Water (SDWIS) facilities, 3,864 Clean Water NPDES permits, 9 historical FEMA disaster declarations, USDA Soil Shrink-Swell (LOW regional signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Total EPA Sites
28,415
High-Risk Sites (0.5%)
154
Active Violators (1.1%)
311
Drinking & Clean Water
7,590
Federal Penalties
$47,879,860
New Hampshire (NH) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Screening Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan🌊 Flood Zone & FEMA Disaster History
9 Statewide FEMA Declarations (8 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Regional Shrink-Swell Signal: LOW • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
3,726 SDWIS Systems • 3,864 NPDES Permits
🔒 3,579 Impaired Water (303d) & 935 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked
📊 New Hampshire (NH) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)1. Regulatory & Water Program Composition
RCRA Hazardous Waste Generators
20,324 (71.5%)
Clean Water (NPDES) & Drinking Water (SDWIS)
7,590 (26.7%)
Active EPA Non-Compliance Dockets
311 (1.1%)
High-Risk Enforcement Facilities
154 (0.5%)
2. FEMA NRI & USGS Hazard Index (1–10)
Relatively Moderate (85.8/100)
🌊 Flood Exposure
9/10 • Relatively High
🔥 Wildfire Hazard
5/10 • Very Low
☀️ Extreme Heat
6/10 • Relatively Low
🌪️ Severe Wind / Storm
8/10 • Relatively Moderate
🫨 USGS Earthquake
9/10 • Relatively Low
3. High-Risk Density vs. U.S. Baseline
New Hampshire (NH) High-Risk Rate
0.5%
U.S. National EPA Baseline
3.6%
Why Scan a Specific Street Address? Public state pages show aggregate counts only. A paid property report unlocks exact facility names & distances in feet, USDA soil LEP % & water table depth, utility water violations, and parcel FEMA flood zone.
Major Municipal Environmental Directories in New Hampshire
Manchester
1,833 sites
Nashua
1,327 sites
Concord
973 sites
Portsmouth
858 sites
Salem
748 sites
Londonderry
643 sites
Dover
572 sites
Rochester
572 sites
Hudson
564 sites
Lebanon
522 sites
Keene
481 sites
Derry
434 sites
Hooksett
414 sites
Laconia
403 sites
Merrimack
384 sites
Bedford
371 sites
Claremont
355 sites
Exeter
330 sites
Milford
318 sites
Hampton
274 sites
Seabrook
266 sites
Plaistow
266 sites
Conway
249 sites
Somersworth
244 sites
Amherst
233 sites
Windham
225 sites
Goffstown
211 sites
Bow
209 sites
Littleton
208 sites
Pelham
205 sites
Franklin
195 sites
Gilford
194 sites
Belmont
181 sites
Newport
179 sites
Hanover
175 sites
Raymond
173 sites
Plymouth
165 sites
Epping
163 sites
Berlin
162 sites
Newington
161 sites
Peterborough
149 sites
Tilton
146 sites
Wolfeboro
145 sites
Durham
144 sites
North Hampton
142 sites
Stratham
141 sites
Hampstead
140 sites
Kingston
138 sites
Jaffrey
134 sites
Haverhill
128 sites
Swanzey
122 sites
Hollis
122 sites
Meredith
122 sites
Lancaster
113 sites
Ossipee
112 sites
Barrington
111 sites
Loudon
108 sites
Brentwood
105 sites
Gorham
105 sites
Auburn
104 sites
Counties in New Hampshire (39)
| County | Total Sites | High Risk | RCRA Waste |
|---|---|---|---|
| Rockingham County | 5,891 | 22 | 5,020 |
| Hills County | 4,554 | 11 | 4,044 |
| Merrimack County | 2,721 | 10 | 2,325 |
| Grafton County | 2,181 | 16 | 1,803 |
| Strafford County | 1,743 | 9 | 1,476 |
| Cheshire County | 1,408 | 7 | 1,165 |
| Hillsborough County | 1,351 | 16 | 1,273 |
| Belknap County | 1,321 | 2 | 1,010 |
| Carroll County | 1,208 | 6 | 800 |
| Sullivan County | 884 | 5 | 769 |
| Coos County | 775 | 4 | 591 |
| Rockingham County | 680 | 6 | 8 |
| Hillsborough County | 560 | 4 | 16 |
| Merrimack County | 321 | 3 | 6 |
| Strafford County | 274 | 1 | 4 |
| Grafton County | 193 | 2 | 1 |
| Belknap County | 120 | 0 | 2 |
| Cheshire County | 107 | 1 | 3 |
| Carroll County | 93 | 1 | 1 |
| Coos County | 67 | 1 | 3 |
| Sullivan County | 49 | 1 | 3 |
| Hancock County | 4 | 0 | 0 |
| Middlesex County | 3 | 0 | 0 |
| Windham County | 3 | 0 | 0 |
| Orange County | 2 | 0 | 0 |
| Windsor County | 2 | 0 | 0 |
| Allegheny County | 1 | 0 | 0 |
| Essex County | 1 | 0 | 0 |
| Fairfield County | 1 | 0 | 0 |
| Franklin County | 1 | 0 | 0 |
| Hartford County | 1 | 0 | 0 |
| Hudson County | 1 | 0 | 0 |
| King County | 1 | 0 | 0 |
| Lee County | 1 | 0 | 0 |
| Middlesex County | 1 | 0 | 0 |
| Montgomery County | 1 | 0 | 0 |
| Penobscot County | 1 | 0 | 0 |
| Rutland County | 1 | 0 | 0 |
| York County | 1 | 0 | 0 |
Highest-Density ZIP Codes in New Hampshire
| ZIP Code | City | Total Sites | High Risk |
|---|---|---|---|
| 03053 | Londonderry | 633 | 8 |
| 03801 | Portsmouth | 994 | 7 |
| 03103 | Manchester | 797 | 5 |
| 03060 | Nashua | 719 | 4 |
| 03304 | Multiple | 190 | 4 |
| 03820 | Dover | 587 | 3 |
| 03431 | Surry | 510 | 3 |
| 03867 | Rochester | 430 | 3 |
| 03106 | Hooksett | 401 | 3 |
| 03054 | Merrimack | 384 | 3 |
| 03766 | Lebanon | 367 | 3 |
| 03276 | Northfield | 202 | 3 |
| 03281 | Weare | 93 | 3 |
| 03585 | Lisbon | 51 | 3 |
| 03301 | Concord | 961 | 2 |
| 03079 | Salem | 739 | 2 |
| 03038 | Derry | 430 | 2 |
| 03743 | Claremont | 359 | 2 |
| 03110 | Bedford | 339 | 2 |
| 03842 | Hampton | 262 | 2 |
| 03063 | Nashua | 261 | 2 |
| 03045 | Goffstown | 212 | 2 |
| 03076 | Pelham | 205 | 2 |
| 03062 | Nashua | 179 | 2 |
| 03773 | Newport | 172 | 2 |
| 03042 | Epping | 169 | 2 |
| 03755 | Hanover | 166 | 2 |
| 03222 | Bristol | 122 | 2 |
| 03049 | Hollis | 122 | 2 |
| 03234 | Epsom | 105 | 2 |
| 03446 | Swanzey | 82 | 2 |
| 03061 | Nashua | 64 | 2 |
| 03782 | Sunapee | 56 | 2 |
| 03886 | Tamworth | 55 | 2 |
| 03048 | Greenville | 48 | 2 |
| 03455 | Nelson | 35 | 2 |
| 03855 | New Durham | 30 | 2 |
| 03105 | Manchester | 19 | 2 |
| 03051 | Hudson | 567 | 1 |
| 03833 | Brentwood | 448 | 1 |
| 03246 | Gilford | 427 | 1 |
| 03101 | Manchester | 370 | 1 |
| 03055 | Milford | 318 | 1 |
| 03865 | Plaistow | 264 | 1 |
| 03874 | Seabrook | 262 | 1 |
| 03878 | Somersworth | 240 | 1 |
| 03031 | Amherst | 228 | 1 |
| 03087 | Windham | 221 | 1 |
| 03824 | Durham | 179 | 1 |
| 03077 | Raymond | 170 | 1 |
| 03570 | Berlin | 162 | 1 |
| 03249 | Gilford | 152 | 1 |
| 03458 | Peterborough | 145 | 1 |
| 03885 | Stratham | 138 | 1 |
| 03603 | Nashua | 110 | 1 |
| 03032 | Auburn | 107 | 1 |
| 03307 | Loudon | 105 | 1 |
| 03261 | Northwood | 102 | 1 |
| 03748 | Enfield | 99 | 1 |
| 03835 | Farmington | 99 | 1 |
Highest-Scored EPA Enforcement & Contamination Facilities in New Hampshire
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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • BRISTOL, NH (ZIP 03222 Sector) | HIGH (86/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GREENVILLE, NH (ZIP 03048 Sector) | HIGH (84/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NASHUA, NH (ZIP 03062 Sector) | HIGH (76/100) | Significant Violation (8 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MERRIMACK, NH (ZIP 03054 Sector) | HIGH (72/100) | Significant Violation (4 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NEWPORT, NH (ZIP 03773 Sector) | HIGH (71/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NEWPORT, NH (ZIP 03773 Sector) | HIGH (71/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ASHLAND, NH (ZIP 03217 Sector) | HIGH (70/100) | Significant Violation (5 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HANOVER, NH (ZIP 03755 Sector) | HIGH (70/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| OLD WELLINGTON ROAD LLC FREE PREVIEW (LOW RISK) | 230 OLD WELLINGTON RD, MANCHESTER, NH 03103 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DOHERTY JOE RESIDENCE FREE PREVIEW (LOW RISK) | 39 MARSHALL RD, KINGSTON, NH 03848 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| COWOLSKI PAUL FREE PREVIEW (LOW RISK) | GUINEA RIDGE RD, GILMANTON, NH 03237 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| SANEL AUTO PARTS FREE PREVIEW (LOW RISK) | 76 SUNAPEE ST, NEWPORT, NH 03773 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
🔒 + 28,403 Additional Regulated & Enforcement Records in New Hampshire Redacted from Public Directory
Run 1-Mile Property Scan to Unlock All Records →
Frequently Asked Questions — New Hampshire (NH) Environmental Due Diligence & EPA Dataset
How many EPA-regulated environmental sites and high-risk facilities are in New Hampshire?
Public U.S. EPA records track 28,415 regulated facilities across New Hampshire. Of those, 154 (0.5%) are classified in the High-Risk tier due to formal enforcement actions, penalties, or toxic chemical releases, and 311 (1.1%) have active non-compliance quarters.
Which counties and ZIP codes in New Hampshire have the highest concentration of EPA-regulated sites?
In New Hampshire, the highest regulated facility volumes are concentrated in Rockingham County (5,891 sites), Hills County (4,554 sites), Merrimack County (2,721 sites), Grafton County (2,181 sites), with key high-risk postal sectors including ZIP 03053 (Londonderry, 8 high-risk), ZIP 03801 (Portsmouth, 7 high-risk), ZIP 03103 (Manchester, 5 high-risk), ZIP 03060 (Nashua, 4 high-risk).
How many drinking water systems (SDWIS), Clean Water permits, and FEMA disaster declarations are recorded in New Hampshire?
Statewide in New Hampshire, federal registries track 3,726 Safe Drinking Water (SDWIS) facilities, 3,864 Clean Water Act NPDES permits, and 3,579 impaired water body (303d) dischargers, alongside 9 historical FEMA disaster declarations.
What is the EPA Radon Zone and USDA Soil Foundation Risk for properties in New Hampshire?
Regional geologic screening places New Hampshire in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L) with USDA regional soil shrink-swell rated LOW. Run a street address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.