Napa, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Napa, CA?
Public U.S. EPA records track 1,723 regulated facilities in Napa, California (Napa County), including 10 High-Risk sites (0.6%) and 14 active violators. In addition to industrial waste, Napa properties are screened for Tap Water & Watershed Permits (409 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 4 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Napa, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Napa, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Napa, CA
Highest-Scored EPA Regulated Facilities in Napa, CA
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 • NAPA, CA (ZIP 94558 Sector) | HIGH (91/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • NAPA, CA (ZIP 94558 Sector) | HIGH (72/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NAPA, CA (ZIP 94558 Sector) | MODERATE (43/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • NAPA, CA (ZIP 94558 Sector) | MODERATE (41/100) | Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NAPA, CA (ZIP 94558 Sector) | MODERATE (37/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NAPA, CA (ZIP 94558 Sector) | MODERATE (37/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NAPA, CA (ZIP 94558 Sector) | MODERATE (36/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NAPA, CA (ZIP 94558 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| NOVA GROUP, INC FREE PREVIEW (LOW RISK) | 185 DEVLIN RD, NAPA, CA 94558 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| PRIDMORE CONSTRUCTION LLC FREE PREVIEW (LOW RISK) | 1355 CAPELL VALLEY ROAD, NAPA, CA 94558 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NAPA COLLISION CENTER FREE PREVIEW (LOW RISK) | 1835 SOSCOL AVE, NAPA, CA 94559 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NAPA COUNTY SHERIFF'S OFFICE FREE PREVIEW (LOW RISK) | 1535 AIRPORT BLVD, NAPA, CA 94558 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Napa, California Environmental Risk & Radon
How many EPA-regulated facilities are in Napa, CA?
U.S. EPA records track 1,723 regulated facilities in Napa, California, including 10 high-risk sites (0.6%), 14 active violators (0.8%), and 1,345 RCRA hazardous waste handlers (78.1%).
Which ZIP codes in Napa, CA have the most EPA-tracked sites?
Within Napa, regulated facilities are primarily concentrated across ZIP 94558 (1,200 sites), ZIP 94559 (509 sites), ZIP 94581 (8 sites), ZIP 32289 (1 sites).
How can I check a specific house or commercial property in Napa, CA?
Enter the exact street address in Napa 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 Napa, CA and how many EPA water permits exist?
In Napa, CA, federal registries track 33 Safe Drinking Water (SDWIS) facilities, 376 Clean Water Act NPDES permits, and 88 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Napa, CA?
USDA regional soil screening for Napa indicates a LOW shrink-swell foundation signal, and Napa County has recorded 4 federal FEMA disaster declarations (4 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.