Trinity County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Trinity County, CA?
In Trinity County, California, public U.S. EPA records track 12 regulated facilities (#128 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, 10 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Trinity 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📊 Trinity County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Trinity County
ZIP Codes in Trinity County
Top EPA Regulated Facilities in Trinity 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 • WEAVERVILLE, CA (ZIP 96093 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WEAVERVILLE, CA (ZIP 96093 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| TRINITY ALPS MARINA FREE PREVIEW (LOW RISK) | 1 FAIRVIEW MARINA RD, LEWISTON, CA 96052 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRINITY LAKE MARINAS FREE PREVIEW (LOW RISK) | 45810 STATE HWY 3, TRINITY CENTER, CA 96091 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| CA 149 4 TRINITY COUNTY 3R FREE PREVIEW (LOW RISK) | MAD RIVER ROAD, RUTH, CA 95552 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CORNERSTONE AUTO & TIRE CENTER FREE PREVIEW (LOW RISK) | 102 WAHSINGTON ST, WEAVERVILLE, CA 96093 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WEAVERVILLE, CA (ZIP 96093 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • LEWISTON, CA (ZIP 96052 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WEAVERVILLE, CA (ZIP 96093 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • JUNCTION CITY, CA (ZIP 96048 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HAYFORK, CA (ZIP 96041 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HAYFORK, CA (ZIP 96041 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Trinity County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Trinity County County, California?
Public U.S. EPA records track 12 regulated facilities in Trinity County County, California (ranking #128 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 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Trinity County County have the highest regulated facility density?
Within Trinity County County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Trinity County.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Trinity County County?
Across Trinity County County, 2 facilities (16.7% 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 Trinity County County, CA?
Geologic indoor air screening places Trinity 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 Trinity County County, CA?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 10 Clean Water Act NPDES permits, and 7 impaired water dischargers in Trinity County County, alongside 5 historical FEMA federal disaster declarations (3 flood/storm events).
Does Trinity County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Trinity County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.