ZIP 03603 (Nashua, NH) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 03603 in Nashua, New Hampshire (Hills County) has 110 EPA-tracked facilities, including 1 High-Risk sites (0.9%), 2 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 03603 are screened across 9 historical Hills County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (22), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 03603 (Nashua, 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 03603 (Nashua, NH) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 03603 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 2 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 03603 (Nashua, 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 |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CHARLESTOWN, NH (ZIP 03603 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CHARLESTOWN, NH (ZIP 03603 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CHARLESTOWN, NH (ZIP 03603 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CHARLESTOWN, NH (ZIP 03603 Sector) | MODERATE (30/100) | Inactive (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| BOMAR DIVISION OF POMPANETTE FREE PREVIEW (LOW RISK) | 73 SOUTHWEST STREET, CHARLESTOWN, NH 03603 | LOW (26/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHARLESTOWN, TOWN OF, HIGHWAY DEPARTMENT FREE PREVIEW (LOW RISK) | 26 RAILROAD ST, CHARLESTOWN, NH 03603 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| WILSON AUTO SALVAGE FREE PREVIEW (LOW RISK) | 75 PECOR RD, CHARLESTOWN, NH 03603 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| PICKUL ROBERT FREE PREVIEW (LOW RISK) | BRIDGE ST, CHARLESTOWN, NH 03603 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CHARLESTOWN, NH (ZIP 03603 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CHARLESTOWN, NH (ZIP 03603 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CHARLESTOWN, NH (ZIP 03603 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CHARLESTOWN, NH (ZIP 03603 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 03603 (Nashua, 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 03603 (Nashua, NH)?
ZIP code 03603 (Nashua, NH) contains 110 EPA-tracked facilities, of which 1 (0.9%) are classified in the High-Risk tier, 2 (1.8%) have active compliance violations, and 92 (83.6%) handle RCRA hazardous waste.
How does ZIP 03603 compare to Hills County and New Hampshire averages?
In ZIP 03603, 0.9% of regulated sites are rated High Risk, compared to 0.2% across Hills County and 0.5% statewide in New Hampshire.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 03603?
Geologic screening places ZIP 03603 in EPA Zone 2 — Moderate Potential (2.0 – 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 03603 (Nashua, NH) in a FEMA flood zone and what is the flood disaster history?
Hills County has recorded 9 historical FEMA federal disaster declarations (8 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 03603 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 03603 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 03603 indicates a MODERATE shrink-swell risk signal. Within ZIP 03603, federal registries track 4 SDWIS drinking water facilities, 18 Clean Water NPDES permits, and 16 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.