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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • ALISO VIEJO, CA

Aliso Viejo, California — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Aliso Viejo, CA?

Public U.S. EPA records track 268 regulated facilities in Aliso Viejo, California (Orange County), including 1 High-Risk sites (0.4%) and 2 active violators. In addition to industrial waste, Aliso Viejo properties are screened for Tap Water & Watershed Permits (18 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 6 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites
268
High-Risk (0.4% vs 0.3% State)
1
Active Violators (0.7%)
2
Drinking & Clean Water
18
Federal Penalties
$0

Aliso Viejo, 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
Orange County: 6 FEMA Declarations (2 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: Low
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
0 SDWIS Systems • 18 NPDES Permits
🔒 0 Impaired Water (303d) & 0 Violation Dockets 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

📊 Aliso Viejo, CA Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 250 (93.3%)
Clean Water (NPDES) & Drinking Water (SDWIS) 18 (6.7%)
Active EPA Non-Compliance Dockets 2 (0.7%)
High-Risk Enforcement Facilities 1 (0.4%)
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. City vs. County & State Benchmark
Aliso Viejo High-Risk Rate 0.4%
Orange 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.
🔒 Scan a Property Address in Aliso Viejo →

ZIP Codes in Aliso Viejo, CA

ZIP 92656 (292 sites • 1 High Risk) ZIP 92658 (4 sites • 0 High Risk)

Highest-Scored EPA Regulated Facilities in Aliso Viejo, 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 Aliso Viejo Dossier →
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 • ALISO VIEJO, CA (ZIP 92656 Sector) HIGH (64/100) Significant Violation (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • ALISO VIEJO, CA (ZIP 92656 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • ALISO VIEJO, CA (ZIP 92656 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • ALISO VIEJO, CA (ZIP 92656 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • ALISO VIEJO, CA (ZIP 92656 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • ALISO VIEJO, CA (ZIP 92656 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • ALISO VIEJO, CA (ZIP 92656 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • ALISO VIEJO, CA (ZIP 92656 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
SOKA UNIVERSITY OF AMERICA FREE PREVIEW (LOW RISK) 1 UNIVERSITY DR, ALISO VIEJO, CA 92656 LOW (17/100) No Violation Identified (0 qtrs NC) $0
LOWE'S OF ALISO VIEJO #1900 FREE PREVIEW (LOW RISK) 26501 ALISO CREEK ROAD, ALISO VIEJO, CA 92656 LOW (17/100) No Violation Identified (0 qtrs NC) $0
ST MOLL INC DBA INEGRITY TIRE FREE PREVIEW (LOW RISK) 27802 ALISO VIEJO, ALISO VIEJO, CA 92656 LOW (17/100) No Violation Identified (0 qtrs NC) $0
99 RANCH MARKET #301 FREE PREVIEW (LOW RISK) 26519 ALISO CREEK RD, ALISO VIEJO, CA 92656 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 256 Additional Regulated & Enforcement Records in Aliso Viejo, CA Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Aliso Viejo, California Environmental Risk & Radon

How many EPA-regulated facilities are in Aliso Viejo, CA?

U.S. EPA records track 268 regulated facilities in Aliso Viejo, California, including 1 high-risk sites (0.4%), 2 active violators (0.7%), and 250 RCRA hazardous waste handlers (93.3%).

Which ZIP codes in Aliso Viejo, CA have the most EPA-tracked sites?

Within Aliso Viejo, regulated facilities are primarily concentrated across ZIP 92656 (292 sites), ZIP 92658 (4 sites).

How can I check a specific house or commercial property in Aliso Viejo, CA?

Enter the exact street address in Aliso Viejo into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in Aliso Viejo, CA and how many EPA water permits exist?

In Aliso Viejo, CA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 18 Clean Water Act NPDES permits, and 0 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Aliso Viejo, CA?

USDA regional soil screening for Aliso Viejo indicates a MODERATE shrink-swell foundation signal, and Orange County has recorded 6 federal FEMA disaster declarations (2 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.

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