Portsmouth, New Hampshire — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Portsmouth, NH?
Public U.S. EPA records track 858 regulated facilities in Portsmouth, New Hampshire (Rockingham County), including 3 High-Risk sites (0.3%) and 5 active violators. In addition to industrial waste, Portsmouth properties are screened for Tap Water & Watershed Permits (138 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 3 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Portsmouth, NH 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Portsmouth, NH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP Codes in Portsmouth, NH
Highest-Scored EPA Regulated Facilities in Portsmouth, 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 • PORTSMOUTH, NH (ZIP 03801 Sector) | HIGH (66/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 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 #3 | 🔒 Exact Street & Parcel Redacted • PORTSMOUTH, NH (ZIP 03801 Sector) | MODERATE (52/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PORTSMOUTH, NH (ZIP 03801 Sector) | MODERATE (41/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PORTSMOUTH, NH (ZIP 03801 Sector) | MODERATE (35/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PORTSMOUTH, NH (ZIP 03801 Sector) | MODERATE (34/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PORTSMOUTH, NH (ZIP 03802 Sector) | MODERATE (33/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PORTSMOUTH, NH (ZIP 03801 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| MORLEY COMPANY FREE PREVIEW (LOW RISK) | 909 ISLINGTON ST., PORTSMOUTH, NH 03801 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| BODYSMITH FREE PREVIEW (LOW RISK) | 14 SAGAMORE RD, PORTSMOUTH, NH 03801 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| COASTAL AUTO REPAIR FREE PREVIEW (LOW RISK) | 933 RTE 1 BYPASS, PORTSMOUTH, NH 03801 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| RITE AID 10290 FREE PREVIEW (LOW RISK) | 1500 LAFAYETTE RD, PORTSMOUTH, NH 03802 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Portsmouth, New Hampshire Environmental Risk & Radon
How many EPA-regulated facilities are in Portsmouth, NH?
U.S. EPA records track 858 regulated facilities in Portsmouth, New Hampshire, including 3 high-risk sites (0.3%), 5 active violators (0.6%), and 694 RCRA hazardous waste handlers (80.9%).
Which ZIP codes in Portsmouth, NH have the most EPA-tracked sites?
Within Portsmouth, regulated facilities are primarily concentrated across ZIP 03801 (994 sites), ZIP 03802 (12 sites), ZIP 03081 (4 sites), ZIP 03501 (2 sites).
How can I check a specific house or commercial property in Portsmouth, NH?
Enter the exact street address in Portsmouth into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Portsmouth, NH and how many EPA water permits exist?
In Portsmouth, NH, federal registries track 9 Safe Drinking Water (SDWIS) facilities, 129 Clean Water Act NPDES permits, and 122 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Portsmouth, NH?
USDA regional soil screening for Portsmouth indicates a LOW shrink-swell foundation signal, and Rockingham County has recorded 3 federal FEMA disaster declarations (2 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.