Alpine County, California — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Alpine County, California, public U.S. EPA records track 67 regulated facilities (#95 of 136 in California), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 20 Safe Drinking Water (SDWIS) facilities, 8 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Alpine 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📊 Alpine County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Alpine County
ZIP Codes in Alpine County
Top EPA Regulated Facilities in Alpine 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 • , CA (ZIP Sector) | MODERATE (41/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BEAR VALLEY, CA (ZIP 95223 Sector) | MODERATE (34/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MARKLEEVILLE, CA (ZIP 96120 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MARKLEEVILLE, CA (ZIP 96120 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MARKLEEVILLE, CA (ZIP 96120 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • KIRKWOOD, CA (ZIP 95656 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • KIRKWOOD, CA (ZIP 95646 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MARKLEEVILLE, CA (ZIP 96120 Sector) | MODERATE (33/100) | Unknown (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| DOHS-ALPINE CO. FREE PREVIEW (LOW RISK) | ALPINE CO, MARKLEEVILLE, CA 96120 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CALIFORNIA STATE PARKS GROVER HOT SPRINGS SP FREE PREVIEW (LOW RISK) | 3415 HOT SPRINGS RD, MARKLEEVILLE, CA 96120 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CA REGIONAL WATER QUALITY CONTROL BOARD FREE PREVIEW (LOW RISK) | LAT N 38D 42M 25S LONG 119D 38M 24S, MARKLEEVILLE, CA 96120 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| KIRKWOOD VALLEY LODGING #48 FREE PREVIEW (LOW RISK) | 1430 KIRKWOOD MEADOWS DR, KIRKWOOD, CA 95646 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Alpine County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Alpine County, California?
Public U.S. EPA records track 67 regulated facilities in Alpine County, California (ranking #95 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 3 (4.5%) have active non-compliance quarters.
Which ZIP codes and cities in Alpine County have the highest regulated facility density?
Within Alpine County, the highest concentrations of EPA-tracked facilities are located in ZIP 96120 (Markleeville, 43 sites), ZIP 95646 (Kirkwood, 24 sites), spanning municipal corridors including Markleeville (40 sites), Kirkwood (26 sites), Woodfords (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Alpine County?
Across Alpine County, 42 facilities (62.7% 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 Alpine County, CA?
Geologic indoor air screening places Alpine County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Alpine County, CA?
Federal records track 20 Safe Drinking Water (SDWIS) facilities, 8 Clean Water Act NPDES permits, and 2 impaired water dischargers in Alpine County, alongside 4 historical FEMA federal disaster declarations (3 flood/storm events).
Does Alpine County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Alpine County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.