Port Costa, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Port Costa, CA?
Public U.S. EPA records track 8 regulated facilities in Port Costa, California (Contra Costa County), including 0 High-Risk sites (0.0%) and 1 active violators. In addition to industrial waste, Port Costa properties are screened for Tap Water & Watershed Permits (3 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).
Port Costa, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Port Costa, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Port Costa, CA
Highest-Scored EPA Regulated Facilities in Port Costa, 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 • PORT COSTA, CA (ZIP 94569 Sector) | MODERATE (41/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PORT COSTA, CA (ZIP 94569 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PORT COSTA, CA (ZIP 94569 Sector) | MODERATE (31/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| SFPP, L.P. (PORT COSTA DIG CA-98-100) FREE PREVIEW (LOW RISK) | 9000 CARQUINEZ SCENIC DRIVE, PORT COSTA, CA 94569 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| UNION PACIFIC RAILROAD FREE PREVIEW (LOW RISK) | CANYON LAKE DR & ERSKINE ST, PORT COSTA, CA 94569 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| PACIFIC CUSTOM MATERIALS INC FREE PREVIEW (LOW RISK) | 9000 CARQUINEZ SCENIC DRIVE, PORT COSTA, CA 94569 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Port Costa, California Environmental Risk & Radon
How many EPA-regulated facilities are in Port Costa, CA?
U.S. EPA records track 8 regulated facilities in Port Costa, California, including 0 high-risk sites (0.0%), 1 active violators (12.5%), and 4 RCRA hazardous waste handlers (50.0%).
Which ZIP codes in Port Costa, CA have the most EPA-tracked sites?
Within Port Costa, regulated facilities are primarily concentrated across ZIP 94569 (14 sites).
How can I check a specific house or commercial property in Port Costa, CA?
Enter the exact street address in Port Costa 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 Port Costa, CA and how many EPA water permits exist?
In Port Costa, CA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 3 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Port Costa, CA?
USDA regional soil screening for Port Costa 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.