Santa Clara County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Santa Clara County, CA?
In Santa Clara County, California, public U.S. EPA records track 688 regulated facilities (#51 of 136 in California), including 9 (1.3%) High-Risk sites and $832,674 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 625 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (4 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Santa Clara 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📊 Santa Clara County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Santa Clara County
Top EPA Regulated Facilities in Santa Clara 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 JOSE, CA (ZIP 95131 Sector) | HIGH (90/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAN JOSE, CA (ZIP 95131 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SUNNYVALE, CA (ZIP 94089 Sector) | HIGH (67/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MILPITAS, CA (ZIP 95035 Sector) | MODERATE (51/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GILROY, CA (ZIP 95020 Sector) | MODERATE (46/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SAN JOSE, CA (ZIP 95112 Sector) | MODERATE (41/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SAN JOSE, CA (ZIP 95131 Sector) | MODERATE (38/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SAN JOSE, CA (ZIP 95112 Sector) | MODERATE (34/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| PRIMO BRANDS MILPITAS FREE PREVIEW (LOW RISK) | 945 AMES AVENUE, MILPITAS, CA 95035 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| VIEW INC FREE PREVIEW (LOW RISK) | 195 SOUTH MILPITAS BOULEVARD, MILPITAS, CA 95035 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| MH HIGH TECH TRANSMISSION FREE PREVIEW (LOW RISK) | 2520 STORY RD, SAN JOSE, CA 95122 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| SPACE SYSTEMS LORAL LLC FREE PREVIEW (LOW RISK) | 1025 E MEADOW CIRCLE BLDG 25, PALO ALTO, CA 94303 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Santa Clara County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Santa Clara County County, California?
Public U.S. EPA records track 688 regulated facilities in Santa Clara County County, California (ranking #51 of 136 jurisdictions in CA). Of those, 9 (1.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 8 (1.2%) have active non-compliance quarters.
Which ZIP codes and cities in Santa Clara County County have the highest regulated facility density?
Within Santa Clara County County, the highest concentrations of EPA-tracked facilities are located in ZIP 95120 (San Jose, 847 sites), ZIP 95053 (Milpitas, 16 sites), ZIP 95192 (San Jose, 13 sites), spanning municipal corridors including Schelville (3 sites), Morgann Hill (1 sites), Makati City (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Santa Clara County County?
Across Santa Clara County County, 109 facilities (15.8% 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 Santa Clara County County, CA?
Geologic indoor air screening places Santa Clara 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 Santa Clara County County, CA?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 625 Clean Water Act NPDES permits, and 80 impaired water dischargers in Santa Clara County County, alongside 4 historical FEMA federal disaster declarations (4 flood/storm events).
Does Santa Clara County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Santa Clara County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.