Plumas County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Plumas County, CA?
In Plumas County, California, public U.S. EPA records track 37 regulated facilities (#109 of 136 in California), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 35 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).
Plumas 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📊 Plumas County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Plumas County
ZIP Codes in Plumas County
Top EPA Regulated Facilities in Plumas 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 • QUINCY, CA (ZIP 95971 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 • PORTOLA, CA (ZIP 96122 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 • PORTOLA, CA (ZIP 00000 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CLIO, CA (ZIP 95971 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CHESTER, CA (ZIP 96020 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| WHITE CAP READY MIX CHESTER PLANT FREE PREVIEW (LOW RISK) | 400 BLACK OAK, CHESTER, CA 96020 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SIERRA PACIFIC INDUSTRIES FREE PREVIEW (LOW RISK) | 1750 LEE ROAD, QUINCY, CA 95971 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| LACC MWC NOI WS FREE PREVIEW (LOW RISK) | 501 PENINSULA, WESTWOOD, CA 96137 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| GRIZZLY ICE LAKE FREE PREVIEW (LOW RISK) | NOT APPLICABLE, PORTOLA, CA 96122 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • DELLEKER, CA (ZIP 96122 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CHESTER, CA (ZIP 96122 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GREENVILLE, CA (ZIP 95947 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Plumas County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Plumas County County, California?
Public U.S. EPA records track 37 regulated facilities in Plumas County County, California (ranking #109 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 Plumas County County have the highest regulated facility density?
Within Plumas County County, the highest concentrations of EPA-tracked facilities are located in ZIP 96020 (Chester, 82 sites), ZIP 96106 (Clio, 6 sites), spanning municipal corridors including Chester (85 sites), Clio (8 sites), Cromberg (3 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Plumas County County?
Across Plumas County County, 1 facilities (2.7% 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 Plumas County County, CA?
Geologic indoor air screening places Plumas 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 Plumas County County, CA?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 35 Clean Water Act NPDES permits, and 7 impaired water dischargers in Plumas County County, alongside 4 historical FEMA federal disaster declarations (2 flood/storm events).
Does Plumas County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Plumas 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.