ZIP 73071 (Norman, OK) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 73071 in Norman, Oklahoma (Cleveland County) has 51 EPA-tracked facilities, including 1 High-Risk sites (2.0%), 0 active violators, and $442,500 in federal penalties. Beyond industrial pollution, properties in ZIP 73071 are screened across 7 historical Cleveland County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (5), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 73071 (Norman, OK) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 73071 (Norman, OK) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 73071 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 0 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 73071 (Norman, OK)
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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • NORMAN, OK (ZIP 73071 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • NORMAN, OK (ZIP 73071 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NORMAN, OK (ZIP 73071 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • NORMAN, OK (ZIP 73071 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NORMAN, OK (ZIP 73071 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NORMAN, OK (ZIP 73071 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NORMAN, OK (ZIP 73071 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| CHASM ADVANCED MATERIALS INC / NORMAN NANOTUBE MFG FACILITY FREE PREVIEW (LOW RISK) | 2501 TECHNOLOGY PL, NORMAN, OK 73071 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| HITACHI COMPUTER PRODUCTS INC / 1800 E IMHOFF NORMAN FREE PREVIEW (LOW RISK) | 1800 EAST IMHOFF ROAD, NORMAN, OK 73071 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| MURPHY USA, INC #6580 & #7927 FREE PREVIEW (LOW RISK) | 609 12TH AVE., NORMAN, OK 73071 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SHERWIN-WILLIAMS #707474 FREE PREVIEW (LOW RISK) | 155 12TH AVE SE, NORMAN, OK 73071 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NORMAN, OK (ZIP 73071 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 73071 (Norman, OK) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 73071 (Norman, OK)?
ZIP code 73071 (Norman, OK) contains 51 EPA-tracked facilities, of which 1 (2.0%) are classified in the High-Risk tier, 0 (0.0%) have active compliance violations, and 24 (47.1%) handle RCRA hazardous waste.
How does ZIP 73071 compare to Cleveland County and Oklahoma averages?
In ZIP 73071, 2.0% of regulated sites are rated High Risk, compared to 2.9% across Cleveland County and 1.5% statewide in Oklahoma.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 73071?
Geologic screening places ZIP 73071 in EPA Zone 3 — Low Potential (< 2.0 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 73071 (Norman, OK) in a FEMA flood zone and what is the flood disaster history?
Cleveland County has recorded 7 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 73071 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 73071 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 73071 indicates a LOW shrink-swell risk signal. Within ZIP 73071, federal registries track 4 SDWIS drinking water facilities, 1 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.