ZIP 48105 (Ann Arbor, MI) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 48105 in Ann Arbor, Michigan (Washtenaw County) has 125 EPA-tracked facilities, including 5 High-Risk sites (4.0%), 9 active violators, and $450 in federal penalties. Beyond industrial pollution, properties in ZIP 48105 are screened across 2 historical Washtenaw County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (21), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 48105 (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 48105 (Ann Arbor, MI) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 48105 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 5 High-Risk and 9 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 48105 (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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48105 Sector) | HIGH (66/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48105 Sector) | HIGH (65/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48105 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48105 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48105 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48105 Sector) | MODERATE (51/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48105 Sector) | MODERATE (46/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ANN ARBOR, MI (ZIP 48105 Sector) | MODERATE (35/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| MAZDA-ANN ARBOR R & D PLANT FREE PREVIEW (LOW RISK) | 1203 WOODRIDGE AVE, ANN ARBOR, MI 48105 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| V A MEDICAL CENTER FREE PREVIEW (LOW RISK) | 2215 FULLER ROAD, ANN ARBOR, MI 48105 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| TOYOTA MOTOR NORTH AMERICA R&D (N2915) FREE PREVIEW (LOW RISK) | 1555 WOODRIDGE, ANN ARBOR, MI 48105 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| LAMBERT INDUSTRIES INC FREE PREVIEW (LOW RISK) | 4180 GLEANER HALL RD, ANN ARBOR, MI 48105 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 48105 (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 48105 (Ann Arbor, MI)?
ZIP code 48105 (Ann Arbor, MI) contains 125 EPA-tracked facilities, of which 5 (4.0%) are classified in the High-Risk tier, 9 (7.2%) have active compliance violations, and 106 (84.8%) handle RCRA hazardous waste.
How does ZIP 48105 compare to Washtenaw County and Michigan averages?
In ZIP 48105, 4.0% 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 48105?
Geologic screening places ZIP 48105 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 48105 (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 48105 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 48105 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 48105 indicates a MODERATE shrink-swell risk signal. Within ZIP 48105, federal registries track 4 SDWIS drinking water facilities, 17 Clean Water NPDES permits, and 16 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.