Angwin, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Angwin, CA?
Public U.S. EPA records track 54 regulated facilities in Angwin, California (Napa County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Angwin properties are screened for Tap Water & Watershed Permits (19 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).
Angwin, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Angwin, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Angwin, CA
Highest-Scored EPA Regulated Facilities in Angwin, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ANGWIN, CA (ZIP 94508 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ANGWIN, CA (ZIP 94508 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ANGWIN, CA (ZIP 94508 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ANGWIN, CA (ZIP 94508 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ANGWIN, CA (ZIP 94508 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ANGWIN, CA (ZIP 94508 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ANGWIN, CA (ZIP 94508 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ANGWIN, CA (ZIP 94508 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| PACIFIC UNION COLLEGE FREE PREVIEW (LOW RISK) | 1 ANGWIN AVE, ANGWIN, CA 94508 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| SUMMIT LAKE VINEYARDS FREE PREVIEW (LOW RISK) | 2000 SUMMIT LAKE DR, ANGWIN, CA 94508 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| PACIFIC BELL FREE PREVIEW (LOW RISK) | 99 HOWELL MOUNTAIN ROAD, ANGWIN, CA 94508 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BACKSTREET HOT RODS LLC DBA ANGWIN AUTO CARE FREE PREVIEW (LOW RISK) | 111 HOWELL MOUNTAIN RD, ANGWIN, CA 94508 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Angwin, California Environmental Risk & Radon
How many EPA-regulated facilities are in Angwin, CA?
U.S. EPA records track 54 regulated facilities in Angwin, California, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 37 RCRA hazardous waste handlers (68.5%).
Which ZIP codes in Angwin, CA have the most EPA-tracked sites?
Within Angwin, regulated facilities are primarily concentrated across ZIP 94508 (55 sites).
How can I check a specific house or commercial property in Angwin, CA?
Enter the exact street address in Angwin 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 Angwin, CA and how many EPA water permits exist?
In Angwin, CA, federal registries track 2 Safe Drinking Water (SDWIS) facilities, 17 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Angwin, CA?
USDA regional soil screening for Angwin 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.