PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
Home › States › Arizona › Unknown › ZIP 85234
6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 85234

ZIP 85234 (Unknown, AZ) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 85234 →

ZIP code 85234 in Unknown, Arizona (Maricopa County) has 57 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 85234 are screened across 3 historical Maricopa County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (22), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites in 85234
57
High-Risk (0.0% vs 0.6% County)
0
Active Violators (1.8%)
1
Drinking & Clean Water
22
Federal Penalties
$0

ZIP 85234 (Unknown, AZ) 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
Maricopa County: 3 FEMA Declarations (0 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: MODERATE • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
2 SDWIS Systems • 20 NPDES Permits
🔒 1 Impaired Water (303d) & 1 Violation Dockets in 85234 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 85234 (Unknown, AZ) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. ZIP 85234 Regulatory & Water Mix
RCRA Hazardous Waste Generators 39 (68.4%)
Clean Water (NPDES) & Drinking Water (SDWIS) 22 (38.6%)
Active EPA Non-Compliance Dockets 1 (1.8%)
High-Risk Enforcement Facilities 0 (0.0%)
2. FEMA NRI & USGS Hazard Index (1–10) Very High (99.9/100)
🌊 Flood Exposure 9/10 • Very High Hazard
🔥 Wildfire Hazard 7/10 • High Hazard
☀️ Extreme Heat 9/10 • Very High Hazard
🌪️ Severe Wind / Storm 9/10 • Very High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. ZIP 85234 vs. County & State Benchmark
ZIP 85234 High-Risk Rate 0.0%
Maricopa County Average 0.6%
Arizona (AZ) Statewide Avg 0.9%
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 85234 →

ZIP 85234 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 0 High-Risk and 1 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 0 High-Risk & 1 Violation Pin Coordinates Redacted in ZIP 85234 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 85234 (Unknown, AZ)

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 85234 Dossier →
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 • GILBERT, AZ (ZIP 85234 Sector) MODERATE (34/100) Violation Identified (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • GILBERT, AZ (ZIP 85234 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • GILBERT, AZ (ZIP 85234 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • GILBERT, AZ (ZIP 85234 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • UNKNOWN, AZ (ZIP 85234 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • GILBERT, AZ (ZIP 85234 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • GILBERT, AZ (ZIP 85234 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
BANNER - GATEWAY MEDICAL CENTER FREE PREVIEW (LOW RISK) 1900 N HIGLEY RD, GILBERT, AZ 85234 LOW (19/100) No Violation Identified (0 qtrs NC) $0
GILBERT TOWN OF HH HAZ WASTE DAY FREE PREVIEW (LOW RISK) 525 N LINDSAY RD, GILBERT, AZ 85234 LOW (18/100) No Violation Identified (0 qtrs NC) $0
HAVASU RIVIERA STATE PARK FREE PREVIEW (LOW RISK) NO ADDRESS ON FILE, UNKNOWN, AZ 85234 LOW (18/100) No Violation Identified (0 qtrs NC) $0
MCKINLEY TRUCKING FREE PREVIEW (LOW RISK) WILLIAMS FIELD RD, GILBERT, AZ 85234 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • GILBERT, AZ (ZIP 85234 Sector) LOW (17/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 + 45 Additional Regulated & Enforcement Records in ZIP 85234 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 85234 (Unknown, AZ) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)

How many EPA-tracked environmental sites are in ZIP code 85234 (Unknown, AZ)?

ZIP code 85234 (Unknown, AZ) contains 57 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (1.8%) have active compliance violations, and 39 (68.4%) handle RCRA hazardous waste.

How does ZIP 85234 compare to Maricopa County and Arizona averages?

In ZIP 85234, 0.0% of regulated sites are rated High Risk, compared to 0.6% across Maricopa County and 0.9% statewide in Arizona.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 85234?

Geologic screening places ZIP 85234 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 85234 (Unknown, AZ) in a FEMA flood zone and what is the flood disaster history?

Maricopa County has recorded 3 historical FEMA federal disaster declarations (0 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 85234 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 85234 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 85234 indicates a MODERATE shrink-swell risk signal. Within ZIP 85234, federal registries track 2 SDWIS drinking water facilities, 20 Clean Water NPDES permits, and 1 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

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