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 561 regulated facilities (#57 of 136 in California), including 7 (1.2%) High-Risk sites and $3,000 in federal penalties. Countywide due diligence also covers 112 Safe Drinking Water (SDWIS) facilities, 62 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 03, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • PORTOLA, CA (ZIP 96122 Sector) | HIGH (69/100) | Violation Identified (9 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • QUINCY, CA (ZIP 95971 Sector) | HIGH (69/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PORTOLA, CA (ZIP 96122 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • QUINCY, CA (ZIP 95971 Sector) | MODERATE (53/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • QUINCY, CA (ZIP 95971 Sector) | MODERATE (41/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LAKE ALMANOR, CA (ZIP 96137 Sector) | MODERATE (36/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CHESTER, CA (ZIP 96020 Sector) | MODERATE (35/100) | Unknown (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GREENVILLE, CA (ZIP 95947 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SKIP'S 4X4 & DIESEL FREE PREVIEW (LOW RISK) | 20 S REDBERG AVE, QUINCY, CA 95971 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| INDIAN VALLEY TIRE & LUBE FREE PREVIEW (LOW RISK) | 16254 HWY 89, CRESCENT MILLS, CA 95934 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| PG&E GREEN HOUSE DIXIE FIRE FREE PREVIEW (LOW RISK) | 40.170869721239676, -121.0879047995, CANYONDAM, CA 95923 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TEAM ONE REPAIR INC FREE PREVIEW (LOW RISK) | 150 N MILL CREEK RD STE G, QUINCY, CA 95971 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Plumas County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Plumas County, California?
Public U.S. EPA records track 561 regulated facilities in Plumas County, California (ranking #57 of 136 jurisdictions in CA). Of those, 7 (1.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 17 (3.0%) have active non-compliance quarters.
Which ZIP codes and cities in Plumas County have the highest regulated facility density?
Within Plumas County, the highest concentrations of EPA-tracked facilities are located in ZIP 95971 (Quincy, 155 sites), ZIP 95947 (Greenville, 80 sites), ZIP 96122 (Portola, 79 sites), spanning municipal corridors including Quincy (145 sites), Greenville (78 sites), Portola (71 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Plumas County?
Across Plumas County, 434 facilities (77.4% 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, CA?
Geologic indoor air screening places Plumas 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, CA?
Federal records track 112 Safe Drinking Water (SDWIS) facilities, 62 Clean Water Act NPDES permits, and 11 impaired water dischargers in Plumas 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.