Charleston County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Charleston County, CA?
In Charleston County, California, public U.S. EPA records track 22 regulated facilities (#118 of 136 in California), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 22 Safe Drinking Water (SDWIS) facilities, 0 Clean Water NPDES permits, 55 FEMA Federal Disaster Declarations (13 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Charleston 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📊 Charleston County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Charleston County
ZIP Codes in Charleston County
Top EPA Regulated Facilities in Charleston 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 |
|---|---|---|---|---|
| GWS-FOOD LION 1255 (1080074)-VENDING MACHINE (D10024) FREE PREVIEW (LOW RISK) | PRIMO WATER, OCEANSIDE, CA 92056 | LOW (10/100) | Inactive (0 qtrs NC) | $0 |
| GWS-BILO 101 (1080089)-VENDING MACHINE (D10044) FREE PREVIEW (LOW RISK) | PRIMO WATER, OCEANSIDE, CA 92056 | LOW (10/100) | Inactive (0 qtrs NC) | $0 |
| PRIMO-BILO 448 (1080092)-860 FOLLY RD CHARLESTON SC FREE PREVIEW (LOW RISK) | PRIMO WATER, OCEANSIDE, CA 92056 | LOW (10/100) | Inactive (0 qtrs NC) | $0 |
| PRIMO-DOLLAR TREE 1153 (1080087)-VENDING MACHINE (P10169) FREE PREVIEW (LOW RISK) | PRIMO WATER, OCEANSIDE, CA 92056 | LOW (9/100) | Inactive (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • OCEANSIDE, CA (ZIP 92056 Sector) | LOW (9/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • OCEANSIDE, CA (ZIP 92056 Sector) | LOW (8/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • OCEANSIDE, CA (ZIP 92056 Sector) | LOW (8/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • OCEANSIDE, CA (ZIP 92056 Sector) | LOW (8/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Charleston County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Charleston County, California?
Public U.S. EPA records track 22 regulated facilities in Charleston County, California (ranking #118 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 Charleston County have the highest regulated facility density?
Within Charleston County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Charleston.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Charleston County?
Across Charleston County, 0 facilities (0.0% 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 Charleston County, CA?
Geologic indoor air screening places Charleston 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 Charleston County, CA?
Federal records track 22 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water dischargers in Charleston County, alongside 55 historical FEMA federal disaster declarations (13 flood/storm events).
Does Charleston County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Charleston 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.