Ontario, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Ontario, CA?
Public U.S. EPA records track 4,508 regulated facilities in Ontario, California (San Bernardino County), including 13 High-Risk sites (0.3%) and 27 active violators. In addition to industrial waste, Ontario properties are screened for Tap Water & Watershed Permits (1,190 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 5 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Ontario, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Ontario, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Ontario, CA
Highest-Scored EPA Regulated Facilities in Ontario, 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 • ONTARIO, CA (ZIP 91761 Sector) | HIGH (68/100) | Significant Violation (6 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ONTARIO, CA (ZIP 91761 Sector) | HIGH (66/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ONTARIO, CA (ZIP 91761 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ONTARIO, CA (ZIP 91761 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ONTARIO, CA (ZIP 91761 Sector) | MODERATE (54/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ONTARIO, CA (ZIP 91761 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 • ONTARIO, CA (ZIP 91761 Sector) | MODERATE (40/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ONTARIO, CA (ZIP 91761 Sector) | MODERATE (38/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| GARDEN PLUS FREE PREVIEW (LOW RISK) | 120 N CAMPUS AVE, ONTARIO, CA 91764 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| BALDY VIEW REGIONAL OCCUPATIONAL PROGRAM FREE PREVIEW (LOW RISK) | 1501 S BON VIEW AVE, ONTARIO, CA 91761 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| PRECISION AERIAL SERVICES INC FREE PREVIEW (LOW RISK) | 1150 N HELLMAN AVE, ONTARIO, CA 91764 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Ontario, California Environmental Risk & Radon
How many EPA-regulated facilities are in Ontario, CA?
U.S. EPA records track 4,508 regulated facilities in Ontario, California, including 13 high-risk sites (0.3%), 27 active violators (0.6%), and 3,507 RCRA hazardous waste handlers (77.8%).
Which ZIP codes in Ontario, CA have the most EPA-tracked sites?
Within Ontario, regulated facilities are primarily concentrated across ZIP 91761 (2,591 sites), ZIP 91762 (1,168 sites), ZIP 91764 (706 sites), ZIP 91758 (7 sites).
How can I check a specific house or commercial property in Ontario, CA?
Enter the exact street address in Ontario 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 Ontario, CA and how many EPA water permits exist?
In Ontario, CA, federal registries track 6 Safe Drinking Water (SDWIS) facilities, 1,184 Clean Water Act NPDES permits, and 38 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Ontario, CA?
USDA regional soil screening for Ontario indicates a LOW shrink-swell foundation signal, and San Bernardino County has recorded 5 federal FEMA disaster declarations (3 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.