Alexander Valley, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Alexander Valley, CA?
Public U.S. EPA records track 1 regulated facilities in Alexander Valley, California (Sonoma County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Alexander Valley properties are screened for Tap Water & Watershed Permits (1 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 4 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Alexander Valley, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Alexander Valley, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Alexander Valley, CA
Highest-Scored EPA Regulated Facilities in Alexander Valley, 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 |
|---|---|---|---|---|
| ALEXANDER VALLEY ACRES WATER COMPANY FREE PREVIEW (LOW RISK) | ALEXANDER VALLEY ACRES, ALEXANDER VALLEY, CA 95441 | LOW (8/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Alexander Valley, California Environmental Risk & Radon
How many EPA-regulated facilities are in Alexander Valley, CA?
U.S. EPA records track 1 regulated facilities in Alexander Valley, California, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).
Which ZIP codes in Alexander Valley, CA have the most EPA-tracked sites?
Within Alexander Valley, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in Alexander Valley, CA?
Enter the exact street address in Alexander Valley 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 Alexander Valley, CA and how many EPA water permits exist?
In Alexander Valley, CA, federal registries track 1 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Alexander Valley, CA?
USDA regional soil screening for Alexander Valley indicates a MODERATE shrink-swell foundation signal, and Sonoma 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.