Walnut Creek, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Walnut Creek, CA?
Public U.S. EPA records track 3,184 regulated facilities in Walnut Creek, California (Contra Costa County), including 1 High-Risk sites (0.0%) and 3 active violators. In addition to industrial waste, Walnut Creek properties are screened for Tap Water & Watershed Permits (59 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).
Walnut Creek, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Walnut Creek, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Walnut Creek, CA
Highest-Scored EPA Regulated Facilities in Walnut Creek, 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 • WALNUT CREEK, CA (ZIP 94596 Sector) | MODERATE (45/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WALNUT CREEK, CA (ZIP 94596 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WALNUT CREEK, CA (ZIP 94596 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WALNUT CREEK, CA (ZIP 94596 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WALNUT CREEK, CA (ZIP 94597 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WALNUT CREEK, CA (ZIP 94598 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WALNUT CREEK, CA (ZIP 94598 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WALNUT CREEK, CA (ZIP 94598 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| PACIFIC GAS & ELECTRIC I-192C & I-502A FREE PREVIEW (LOW RISK) | 401 WALNUT AVE, WALNUT CREEK, CA 94598 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SAFEWAY STORE #917 FREE PREVIEW (LOW RISK) | 600 S BROADWAY, WALNUT CREEK, CA 94596 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| MIDAS/SPEEDEE WALNUT CREEK FREE PREVIEW (LOW RISK) | 2710 N MAIN ST, WALNUT CREEK, CA 94597 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| LEES BODY SHOP FREE PREVIEW (LOW RISK) | 1405 STRADELLA CT, WALNUT CREEK, CA 94596 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Walnut Creek, California Environmental Risk & Radon
How many EPA-regulated facilities are in Walnut Creek, CA?
U.S. EPA records track 3,184 regulated facilities in Walnut Creek, California, including 1 high-risk sites (0.0%), 3 active violators (0.1%), and 3,122 RCRA hazardous waste handlers (98.1%).
Which ZIP codes in Walnut Creek, CA have the most EPA-tracked sites?
Within Walnut Creek, regulated facilities are primarily concentrated across ZIP 94598 (1,084 sites), ZIP 94596 (883 sites), ZIP 94595 (726 sites), ZIP 94597 (502 sites).
How can I check a specific house or commercial property in Walnut Creek, CA?
Enter the exact street address in Walnut Creek 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 Walnut Creek, CA and how many EPA water permits exist?
In Walnut Creek, CA, federal registries track 3 Safe Drinking Water (SDWIS) facilities, 56 Clean Water Act NPDES permits, and 21 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Walnut Creek, CA?
USDA regional soil screening for Walnut Creek 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.