Winchester, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Winchester, CA?
Public U.S. EPA records track 210 regulated facilities in Winchester, California ( County), including 0 High-Risk sites (0.0%) and 1 active violators. In addition to industrial waste, Winchester properties are screened for Tap Water & Watershed Permits (116 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 55 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Winchester, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Winchester, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Winchester, CA
Highest-Scored EPA Regulated Facilities in Winchester, 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 • WINCHESTER, CA (ZIP 92596 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WINCHESTER, CA (ZIP 92596 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WINCHESTER, CA (ZIP 92596 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WINCHESTER, CA (ZIP 92596 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WINCHESTER, CA (ZIP 92596 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WINCHESTER, CA (ZIP 92596 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WINCHESTER, CA (ZIP 92526 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WINCHESTER, CA (ZIP 92596 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| DIAMOND VALLEY LAKE FREE PREVIEW (LOW RISK) | 33752 NEWPORT RD, WINCHESTER, CA 92596 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| TNT BLANCHARD FREE PREVIEW (LOW RISK) | 31801-31889 GRAND AVE, WINCHESTER, CA 92596 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| LA VENTANA DECHLORINATION FACILITY FREE PREVIEW (LOW RISK) | 28264 LA VENTANA, WINCHESTER, CA 92585 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| JB EQUIPMENT REPAIR & MAINTENANCE FREE PREVIEW (LOW RISK) | 27538 AUCILLA CT, WINCHESTER, CA 92596 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Winchester, California Environmental Risk & Radon
How many EPA-regulated facilities are in Winchester, CA?
U.S. EPA records track 210 regulated facilities in Winchester, California, including 0 high-risk sites (0.0%), 1 active violators (0.5%), and 94 RCRA hazardous waste handlers (44.8%).
Which ZIP codes in Winchester, CA have the most EPA-tracked sites?
Within Winchester, regulated facilities are primarily concentrated across ZIP 92596 (221 sites), ZIP 92526 (5 sites), ZIP 92569 (3 sites), ZIP 92956 (1 sites).
How can I check a specific house or commercial property in Winchester, CA?
Enter the exact street address in Winchester 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 Winchester, CA and how many EPA water permits exist?
In Winchester, CA, federal registries track 1 Safe Drinking Water (SDWIS) facilities, 115 Clean Water Act NPDES permits, and 10 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Winchester, CA?
USDA regional soil screening for Winchester indicates a HIGH shrink-swell foundation signal, and County has recorded 55 federal FEMA disaster declarations (13 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.