Siskiyou County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Siskiyou County, CA?
In Siskiyou County, California, public U.S. EPA records track 42 regulated facilities (#105 of 136 in California), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 40 Clean Water NPDES permits, 4 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).
Siskiyou 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📊 Siskiyou County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Siskiyou County
ZIP Codes in Siskiyou County
Top EPA Regulated Facilities in Siskiyou 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • YREKA, CA (ZIP 96097 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • HAPPY CAMP, CA (ZIP 96039 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WEED, CA (ZIP 96094 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MONTAGUE, CA (ZIP 96064 Sector) | MODERATE (30/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • YREKA, CA (ZIP 96097 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CALLAHAN, CA (ZIP 96014 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • YREKA, CA (ZIP 96097 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • FOR, CA (ZIP 96032 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SHASTA FOREST PRODUCTS INC FREE PREVIEW (LOW RISK) | 1423 MONTAGUE RD, YREKA, CA 96097 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| RICK EVANS TRANSPORTATION INC FREE PREVIEW (LOW RISK) | 422 ALLEN ST, YREKA, CA 96097 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| INDIAN CREEK FREE PREVIEW (LOW RISK) | 17217 INDIAN CREEK ROAD, FORT JONES, CA 96032 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| YREKA TRANSIT MIX INC FREE PREVIEW (LOW RISK) | 126 SCHANTZ RD, YREKA, CA 96097 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Siskiyou County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Siskiyou County County, California?
Public U.S. EPA records track 42 regulated facilities in Siskiyou County County, California (ranking #105 of 136 jurisdictions in CA). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 1 (2.4%) have active non-compliance quarters.
Which ZIP codes and cities in Siskiyou County County have the highest regulated facility density?
Within Siskiyou County County, the highest concentrations of EPA-tracked facilities are located in ZIP 96014 (Callahan, 4 sites), ZIP 96031 (Forks Of Salmon, 2 sites), ZIP 96098 (Yreka, 2 sites), spanning municipal corridors including Forks Of Salmon (2 sites), Grass Lake (1 sites), For (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Siskiyou County County?
Across Siskiyou County County, 3 facilities (7.1% 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 Siskiyou County County, CA?
Geologic indoor air screening places Siskiyou County 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 Siskiyou County County, CA?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 40 Clean Water Act NPDES permits, and 26 impaired water dischargers in Siskiyou County County, alongside 4 historical FEMA federal disaster declarations (2 flood/storm events).
Does Siskiyou County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Siskiyou 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.