Yolo County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Yolo County, CA?
In Yolo County, California, public U.S. EPA records track 3,978 regulated facilities (#25 of 136 in California), including 15 (0.4%) High-Risk sites and $7,105,050 in federal penalties. Countywide due diligence also covers 110 Safe Drinking Water (SDWIS) facilities, 215 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Yolo County, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Yolo County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Yolo County
ZIP Codes in Yolo County
Top EPA Regulated Facilities in Yolo County, 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 • WOODLAND, CA (ZIP 95776 Sector) | HIGH (66/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WEST SACRAMENTO, CA (ZIP 95691 Sector) | MODERATE (52/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • DAVIS, CA (ZIP 95616 Sector) | MODERATE (52/100) | Violation Identified (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WEST SACRAMENTO, CA (ZIP 95605 Sector) | MODERATE (50/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • DAVIS, CA (ZIP 95618 Sector) | MODERATE (45/100) | Violation Identified (2 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • DAVIS, CA (ZIP 95616 Sector) | MODERATE (44/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WOODLAND, CA (ZIP 95695 Sector) | MODERATE (42/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WEST SACRAMENTO, CA (ZIP 95691 Sector) | MODERATE (39/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| ADVANCE AUTO FREE PREVIEW (LOW RISK) | 932 SOULE, WEST SACRAMENTO, CA 95691 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TSA DRILLING DBA PENECORE DRILLNG INC FREE PREVIEW (LOW RISK) | 220 N EAST ST, WOODLAND, CA 95776 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CALIFORNIA CULTURED INC FREE PREVIEW (LOW RISK) | 630 PENA DR STE 100, DAVIS, CA 95618 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CLARKSBURG COMM CHURCH FREE PREVIEW (LOW RISK) | , , CA | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Yolo County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Yolo County, California?
Public U.S. EPA records track 3,978 regulated facilities in Yolo County, California (ranking #25 of 136 jurisdictions in CA). Of those, 15 (0.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 17 (0.4%) have active non-compliance quarters.
Which ZIP codes and cities in Yolo County have the highest regulated facility density?
Within Yolo County, the highest concentrations of EPA-tracked facilities are located in ZIP 95691 (West Sacramento, 1,033 sites), ZIP 95616 (Davis, 656 sites), ZIP 95695 (Woodland, 595 sites), spanning municipal corridors including West Sacramento (1,212 sites), Woodland (1,136 sites), Davis (977 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Yolo County?
Across Yolo County, 3,818 facilities (96.0% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Yolo County, CA?
Geologic indoor air screening places Yolo County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Yolo County, CA?
Federal records track 110 Safe Drinking Water (SDWIS) facilities, 215 Clean Water Act NPDES permits, and 56 impaired water dischargers in Yolo County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).
Does Yolo County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Yolo County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.