ZIP 92321 (Santa Clarita, CA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 92321 in Santa Clarita, California (San Bernardino County) has 17 EPA-tracked facilities, including 1 High-Risk sites (5.9%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 92321 are screened across 5 historical San Bernardino County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (3), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 92321 (Santa Clarita, CA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 92321 (Santa Clarita, CA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)ZIP 92321 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 92321 (Santa Clarita, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CEDAR GLEN, CA (ZIP 92321 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CEDAR GLEN, CA (ZIP 92321 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NEWHALL, CA (ZIP 92321 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CEDAR GLEN, CA (ZIP 92321 Sector) | MODERATE (29/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| J C HUNTER ELECTRIC FREE PREVIEW (LOW RISK) | 29065 CEDAR TERRACE, CEDAR GLEN, CA 92321 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MILE HIGH MARINE FREE PREVIEW (LOW RISK) | 29163 HOOK CREEK RD, CEDAR GLEN, CA 92321 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| LAKE ARROWHEAD CONSTRUCTION INC DBA TRINITY CONSTRUCTION FREE PREVIEW (LOW RISK) | 29115 HOOK CREEK RD, CEDAR GLEN, CA 92321 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CEDAR GLEN AUTO BODY & TIRE, WEATHERWAX FREE PREVIEW (LOW RISK) | 29111 HOOK CREEK ROAD, CEDAR GLEN, CA 92321 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CEDAR GLEN, CA (ZIP 92321 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CEDAR GLEN, CA (ZIP 92321 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • TWIN PEAKS, CA (ZIP 92321 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SANTA CLARITA, CA (ZIP 92321 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 92321 (Santa Clarita, 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 92321 (Santa Clarita, CA)?
ZIP code 92321 (Santa Clarita, CA) contains 17 EPA-tracked facilities, of which 1 (5.9%) are classified in the High-Risk tier, 1 (5.9%) have active compliance violations, and 14 (82.4%) handle RCRA hazardous waste.
How does ZIP 92321 compare to San Bernardino County and California averages?
In ZIP 92321, 5.9% of regulated sites are rated High Risk, compared to 0.3% across San Bernardino County and 0.3% statewide in California.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 92321?
Geologic screening places ZIP 92321 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 92321 (Santa Clarita, CA) in a FEMA flood zone and what is the flood disaster history?
San Bernardino County has recorded 5 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 92321 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 92321 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 92321 indicates a LOW shrink-swell risk signal. Within ZIP 92321, federal registries track 1 SDWIS drinking water facilities, 2 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.