ZIP 48439 (Grand Blanc, MI) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 48439 in Grand Blanc, Michigan (Genesee County) has 151 EPA-tracked facilities, including 4 High-Risk sites (2.6%), 6 active violators, and $150,000 in federal penalties. Beyond industrial pollution, properties in ZIP 48439 are screened across 4 historical Genesee County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (16), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 48439 (Grand Blanc, MI) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 48439 (Grand Blanc, MI) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 48439 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 4 High-Risk and 6 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 48439 (Grand Blanc, MI)
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 • GRAND BLANC, MI (ZIP 48439 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GRAND BLANC, MI (ZIP 48439 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GRAND BLANC, MI (ZIP 48439 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GRAND BLANC, MI (ZIP 48439 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GRAND BLANC, MI (ZIP 48439 Sector) | MODERATE (38/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GRAND BLANC, MI (ZIP 48439 Sector) | MODERATE (37/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GRAND BLANC, MI (ZIP 48439 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GRAND BLANC, MI (ZIP 48439 Sector) | MODERATE (32/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| GM GRAND BLANC WELD TOOL CENTER FREE PREVIEW (LOW RISK) | 10800 S SAGINAW ST., GRAND BLANC, MI 48439 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| MAGNA ELECTRONICS FREE PREVIEW (LOW RISK) | 10168 N HOLLY RD, GRAND BLANC, MI 48439 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| METOKOTE CORPORATION, PLANT 20 FREE PREVIEW (LOW RISK) | 3085 REID ROAD, GRAND BLANC, MI 48439 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| ADVANCE AUTO PARTS #7322 FREE PREVIEW (LOW RISK) | 11349 S SAGINAW RD, GRAND BLANC, MI 48439 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 48439 (Grand Blanc, MI) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 48439 (Grand Blanc, MI)?
ZIP code 48439 (Grand Blanc, MI) contains 151 EPA-tracked facilities, of which 4 (2.6%) are classified in the High-Risk tier, 6 (4.0%) have active compliance violations, and 132 (87.4%) handle RCRA hazardous waste.
How does ZIP 48439 compare to Genesee County and Michigan averages?
In ZIP 48439, 2.6% of regulated sites are rated High Risk, compared to 1.3% across Genesee County and 1.2% statewide in Michigan.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 48439?
Geologic screening places ZIP 48439 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 48439 (Grand Blanc, MI) in a FEMA flood zone and what is the flood disaster history?
Genesee County has recorded 4 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 48439 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 48439 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 48439 indicates a MODERATE shrink-swell risk signal. Within ZIP 48439, federal registries track 5 SDWIS drinking water facilities, 11 Clean Water NPDES permits, and 11 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.