San Francisco County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in San Francisco County, CA?
In San Francisco County, California, public U.S. EPA records track 16,590 regulated facilities (#11 of 136 in California), including 9 (0.1%) High-Risk sites and $5,612,974 in federal penalties. Countywide due diligence also covers 11 Safe Drinking Water (SDWIS) facilities, 146 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (4 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
San Francisco 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📊 San Francisco County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in San Francisco County
ZIP Codes in San Francisco County
Top EPA Regulated Facilities in San Francisco 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 • SAN FRANCISCO, CA (ZIP 94103 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAN FRANCISCO, CA (ZIP 94114 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SAN FRANCISCO, CA (ZIP 94110 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAN FRANCISCO, CA (ZIP 94132 Sector) | MODERATE (51/100) | Unknown (7 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SAN FRANCISCO, CA (ZIP 94124 Sector) | MODERATE (51/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SAN FRANCISCO, CA (ZIP 94109 Sector) | MODERATE (45/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SAN FRANCISCO, CA (ZIP 94110 Sector) | MODERATE (42/100) | Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SAN FRANCISCO, CA (ZIP 94116 Sector) | MODERATE (35/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| EXPLORATORIUM'S HEATING AND COOLING SYSTEM AND FOG BRIDGE DESALINATION SYSTEM FREE PREVIEW (LOW RISK) | PIERS 15 AND 17, THE EMBARCADERO, SAN FRANCISCO, CA 94111 | LOW (17/100) | Unknown (0 qtrs NC) | $0 |
| THE CONTAINER STORE #033 FREE PREVIEW (LOW RISK) | 26 FOURTH ST, SAN FRANCISCO, CA 94103 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| PORT OF SAN FRANCISCO FREE PREVIEW (LOW RISK) | PIER 9, 105 THE EMBARCADERO, SAN FRANCISCO, CA 94111 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 160 FOLSOM STREET FREE PREVIEW (LOW RISK) | 160 FOLSOM STREET, SAN FRANCISCO, CA 94105 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — San Francisco County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in San Francisco County, California?
Public U.S. EPA records track 16,590 regulated facilities in San Francisco County, California (ranking #11 of 136 jurisdictions in CA). Of those, 9 (0.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 6 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in San Francisco County have the highest regulated facility density?
Within San Francisco County, the highest concentrations of EPA-tracked facilities are located in ZIP 94109 (San Francisco, 1,203 sites), ZIP 94107 (San Francisco, 1,087 sites), ZIP 94124 (San Francisco, 1,079 sites), spanning municipal corridors including San Francisco (16,856 sites), Treasure Island (4 sites), San Fransisco (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in San Francisco County?
Across San Francisco County, 16,485 facilities (99.4% 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 San Francisco County, CA?
Geologic indoor air screening places San Francisco 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 San Francisco County, CA?
Federal records track 11 Safe Drinking Water (SDWIS) facilities, 146 Clean Water Act NPDES permits, and 74 impaired water dischargers in San Francisco County, alongside 4 historical FEMA federal disaster declarations (4 flood/storm events).
Does San Francisco County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for San Francisco 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.