Clayton, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Clayton, CA?
Public U.S. EPA records track 205 regulated facilities in Clayton, California (Contra Costa County), including 1 High-Risk sites (0.5%) and 2 active violators. In addition to industrial waste, Clayton properties are screened for Tap Water & Watershed Permits (18 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 2 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Clayton, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Clayton, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Clayton, CA
Highest-Scored EPA Regulated Facilities in Clayton, 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 • CLAYTON, CA (ZIP 94517 Sector) | HIGH (89/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CLAYTON, CA (ZIP 94517 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CLAYTON, CA (ZIP 94517 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CLAYTON, CA (ZIP 94517 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CLAYTON, CA (ZIP 94517 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CLAYTON, CA (ZIP 94517 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CLAYTON, CA (ZIP 94517 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CLAYTON, CA (ZIP 94517 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SAFEWAY 1195 FREE PREVIEW (LOW RISK) | 5431 CLAYTON RD, CLAYTON, CA 94517 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| PACIFIC BELL FREE PREVIEW (LOW RISK) | 6991 HIGH STREET, CLAYTON, CA 94517 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CCC SHERIFFS REHABILITATION CENTER FREE PREVIEW (LOW RISK) | 12000 MARCH CREEK RD, CLAYTON, CA 94517 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| MT. DIABLO ELEMENTARY SCHOOL FREE PREVIEW (LOW RISK) | 5880 MT ZION DRIVE, CLAYTON, CA 94517 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Clayton, California Environmental Risk & Radon
How many EPA-regulated facilities are in Clayton, CA?
U.S. EPA records track 205 regulated facilities in Clayton, California, including 1 high-risk sites (0.5%), 2 active violators (1.0%), and 184 RCRA hazardous waste handlers (89.8%).
Which ZIP codes in Clayton, CA have the most EPA-tracked sites?
Within Clayton, regulated facilities are primarily concentrated across ZIP 94517 (201 sites).
How can I check a specific house or commercial property in Clayton, CA?
Enter the exact street address in Clayton 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 Clayton, CA and how many EPA water permits exist?
In Clayton, CA, federal registries track 3 Safe Drinking Water (SDWIS) facilities, 15 Clean Water Act NPDES permits, and 6 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Clayton, CA?
USDA regional soil screening for Clayton indicates a HIGH shrink-swell foundation signal, and Contra Costa County has recorded 2 federal FEMA disaster declarations (2 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.