ZIP 03081 (Portsmouth, NH) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 03081 in Portsmouth, New Hampshire (Rockingham County) has 4 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 0 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 03081 are screened across 3 historical Rockingham County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (2), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 03081 (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📊 ZIP 03081 (Portsmouth, NH) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 03081 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 0 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 03081 (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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| PORTSMOUTH FREE PREVIEW (LOW RISK) | 180 INTERNATIONAL DRIVE, PORTSMOUTH, NH 03081 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| AVIATION WAREHOUSE FREE PREVIEW (LOW RISK) | 125 AVIATION AVE, PORTSMOUTH, NH 03081 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHASE DON RESIDENCE FREE PREVIEW (LOW RISK) | 680 HAVERHILL RD, DERRY, NH 03081 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| JARED GALLERIA OF JEWERLY FREE PREVIEW (LOW RISK) | 65 GOSLING RD, NEWINGTON, NH 03081 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 03081 (Portsmouth, NH) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 03081 (Portsmouth, NH)?
ZIP code 03081 (Portsmouth, NH) contains 4 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 0 (0.0%) have active compliance violations, and 2 (50.0%) handle RCRA hazardous waste.
How does ZIP 03081 compare to Rockingham County and New Hampshire averages?
In ZIP 03081, 0.0% of regulated sites are rated High Risk, compared to 0.4% across Rockingham County and 0.5% statewide in New Hampshire.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 03081?
Geologic screening places ZIP 03081 in EPA Zone 1 — High Potential (> 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 03081 (Portsmouth, NH) in a FEMA flood zone and what is the flood disaster history?
Rockingham County has recorded 3 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 03081 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 03081 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 03081 indicates a LOW shrink-swell risk signal. Within ZIP 03081, federal registries track 0 SDWIS drinking water facilities, 2 Clean Water NPDES permits, and 2 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.