PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 02, 2026
Home › States › California › Sunol › ZIP 94586
6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 94586

ZIP 94586 (Sunol, CA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 94586 →

ZIP code 94586 in Sunol, California (Alameda County) has 89 EPA-tracked facilities, including 2 High-Risk sites (2.2%), 1 active violators, and $201,470 in federal penalties. Beyond industrial pollution, properties in ZIP 94586 are screened across 3 historical Alameda County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (31), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites in 94586
89
High-Risk (2.2% vs 0.1% County)
2
Active Violators (1.1%)
1
Drinking & Clean Water
31
Federal Penalties
$201,470

ZIP 94586 (Sunol, CA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
Alameda County: 3 FEMA Declarations (3 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Unlock Parcel Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: Low
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
1 SDWIS Systems • 30 NPDES Permits
🔒 10 Impaired Water (303d) & 4 Violation Dockets in 94586 Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 ZIP 94586 (Sunol, CA) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)
1. ZIP 94586 Regulatory & Water Mix
RCRA Hazardous Waste Generators 62 (69.7%)
Clean Water (NPDES) & Drinking Water (SDWIS) 31 (34.8%)
Active EPA Non-Compliance Dockets 1 (1.1%)
High-Risk Enforcement Facilities 2 (2.2%)
2. FEMA NRI & USGS Hazard Index (1–10) Very High (99.8/100)
🌊 Flood Exposure 9/10 • Very High Hazard
🔥 Wildfire Hazard 7/10 • High Hazard
☀️ Extreme Heat 7/10 • High Hazard
🌪️ Severe Wind / Storm 5/10 • Moderate Hazard
🫨 USGS Earthquake 9/10 • Very High Hazard
3. ZIP 94586 vs. County & State Benchmark
ZIP 94586 High-Risk Rate 2.2%
Alameda County Average 0.1%
California (CA) Statewide Avg 0.3%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Unlock Full 6-in-1 Property Report for 94586 →

ZIP 94586 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 2 High-Risk and 1 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 2 High-Risk & 1 Violation Pin Coordinates Redacted in ZIP 94586 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 94586 (Sunol, CA)

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full ZIP 94586 Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • SUNOL, CA (ZIP 94586 Sector) HIGH (88/100) Significant Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • SUNOL, CA (ZIP 94586 Sector) MODERATE (41/100) Resolved / Historical Non-Compliance (10 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • SUNOL, CA (ZIP 94586 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • SUNOL, CA (ZIP 94586 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • SUNOL, CA (ZIP 94586 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • ALAMEDA, CA (ZIP 94586 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • SUNOL, CA (ZIP 94586 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • SUNOL, CA (ZIP 94586 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
SUNOL VALLEY WATER TREATMENT PLANT FREE PREVIEW (LOW RISK) 8653 CALAVERAS RD, SUNOL, CA 94586 LOW (25/100) No Violation Identified (0 qtrs NC) $0
SUNOL REGIONAL WILDERNESS FREE PREVIEW (LOW RISK) 1895 GEARY RD, SUNOL, CA 94586 LOW (24/100) No Violation Identified (0 qtrs NC) $0
TYLER RANCH STAGING AREA PLEASANTON RIDGE REGIONAL PARK FREE PREVIEW (LOW RISK) 12574 FOOTHILL ROAD, SUNOL, CA 94586 LOW (18/100) No Violation Identified (0 qtrs NC) $0
PLEASANTON ASPHALT SAND & GRAVEL (VULCAN MATERIALS CO.) FREE PREVIEW (LOW RISK) 50 EL CHARRO, PLEASANTON, CA 94586 LOW (18/100) No Violation Identified (0 qtrs NC) $0
🔒 + 77 Additional Regulated & Enforcement Records in ZIP 94586 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 94586 (Sunol, CA) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 02, 2026)

How many EPA-tracked environmental sites are in ZIP code 94586 (Sunol, CA)?

ZIP code 94586 (Sunol, CA) contains 89 EPA-tracked facilities, of which 2 (2.2%) are classified in the High-Risk tier, 1 (1.1%) have active compliance violations, and 62 (69.7%) handle RCRA hazardous waste.

How does ZIP 94586 compare to Alameda County and California averages?

In ZIP 94586, 2.2% of regulated sites are rated High Risk, compared to 0.1% across Alameda County and 0.3% statewide in California.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 94586?

Geologic screening places ZIP 94586 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.

Is ZIP 94586 (Sunol, CA) in a FEMA flood zone and what is the flood disaster history?

Alameda County has recorded 3 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 94586 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 94586 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 94586 indicates a LOW shrink-swell risk signal. Within ZIP 94586, federal registries track 1 SDWIS drinking water facilities, 30 Clean Water NPDES permits, and 10 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

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