ZIP 48109 (Ann Arbor, MI) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 48109 in Ann Arbor, Michigan (Washtenaw County) has 25 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 48109 are screened across 2 historical Washtenaw County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (3), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 48109 (Ann Arbor, 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 48109 (Ann Arbor, MI) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 48109 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.
Regulated EPA Facilities in ZIP 48109 (Ann Arbor, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48109 Sector) | MODERATE (46/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48109 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48109 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SILICIUM ENERGY FREE PREVIEW (LOW RISK) | 1600 HURON PKWY, ANN ARBOR, MI 48109 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHEM X LERATE LLC FREE PREVIEW (LOW RISK) | 1600 HURON PARKWAY, BULDING 52, ANN ARBOR, MI 48109 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| THE UNIVERSITY OF MICHIGAN FREE PREVIEW (LOW RISK) | 2910 HURON PARKWAY, ANN ARBOR, MI 48109 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| GERALD R FORD LIBRARY FREE PREVIEW (LOW RISK) | 1000 BEAL AVE, ANN ARBOR, MI 48109 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48109 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48109 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48109 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48109 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48109 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 48109 (Ann Arbor, 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 48109 (Ann Arbor, MI)?
ZIP code 48109 (Ann Arbor, MI) contains 25 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (4.0%) have active compliance violations, and 22 (88.0%) handle RCRA hazardous waste.
How does ZIP 48109 compare to Washtenaw County and Michigan averages?
In ZIP 48109, 0.0% of regulated sites are rated High Risk, compared to 0.9% across Washtenaw County and 1.2% statewide in Michigan.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 48109?
Geologic screening places ZIP 48109 in EPA Zone 1 — High Potential (> 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 48109 (Ann Arbor, MI) in a FEMA flood zone and what is the flood disaster history?
Washtenaw County has recorded 2 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 48109 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 48109 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 48109 indicates a MODERATE shrink-swell risk signal. Within ZIP 48109, federal registries track 0 SDWIS drinking water facilities, 3 Clean Water NPDES permits, and 3 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.