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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • SOUTH LYON, MI

South Lyon, Michigan — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in South Lyon, MI?

Public U.S. EPA records track 76 regulated facilities in South Lyon, Michigan (Oakland County), including 2 High-Risk sites (2.6%) and 6 active violators. In addition to industrial waste, South Lyon properties are screened for Tap Water & Watershed Permits (15 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 2 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites
76
High-Risk (2.6% vs 1.2% State)
2
Active Violators (7.9%)
6
Drinking & Clean Water
15
Federal Penalties
$15,000

South Lyon, MI 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
Oakland County: 2 FEMA Declarations (2 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
3 SDWIS Systems • 12 NPDES Permits
🔒 11 Impaired Water (303d) & 8 Violation Dockets Locked
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☢️ 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

📊 South Lyon, MI Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 60 (78.9%)
Clean Water (NPDES) & Drinking Water (SDWIS) 15 (19.7%)
Active EPA Non-Compliance Dockets 6 (7.9%)
High-Risk Enforcement Facilities 2 (2.6%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (97.5/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 7/10 • High Hazard
🌪️ Severe Wind / Storm 9/10 • Very High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. City vs. County & State Benchmark
South Lyon High-Risk Rate 2.6%
Oakland County Average 0.6%
Michigan (MI) Statewide Avg 1.2%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in South Lyon →

ZIP Codes in South Lyon, MI

ZIP 48178 (78 sites • 2 High Risk)

Highest-Scored EPA Regulated Facilities in South Lyon, MI

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

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Facility Name / Hazard Type Sector Location (Street Redacted) Risk Tier & Score Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • SOUTH LYON, MI (ZIP 48178 Sector) HIGH (76/100) Violation Identified (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • SOUTH LYON, MI (ZIP 48178 Sector) HIGH (64/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • SOUTH LYON, MI (ZIP 48178 Sector) MODERATE (43/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • SOUTH LYON, MI (ZIP 48178 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • SOUTH LYON, MI (ZIP 48178 Sector) MODERATE (32/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • SOUTH LYON, MI (ZIP 48178 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (9 qtrs NC) 🔒 9 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • SOUTH LYON, MI (ZIP 48178 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • SOUTH LYON, MI (ZIP 48178 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
SERVICE IRON WORKS-S LYON FREE PREVIEW (LOW RISK) 245 S MILL ST, SOUTH LYON, MI 48178 LOW (25/100) No Violation Identified (0 qtrs NC) $0
DANICE MFG CO FREE PREVIEW (LOW RISK) 201 S MILL ST, SOUTH LYON, MI 48178 LOW (25/100) No Violation Identified (0 qtrs NC) $0
SUN STEEL TREATING INC FREE PREVIEW (LOW RISK) 550 MILL ST., SOUTH LYON, MI 48178 LOW (25/100) No Violation Identified (0 qtrs NC) $0
MI DEPT/NATURAL RESOURCES AND ENVIRONMENT FREE PREVIEW (LOW RISK) 25486 JOHNS RD, SOUTH LYON, MI 48178 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 64 Additional Regulated & Enforcement Records in South Lyon, MI Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — South Lyon, Michigan Environmental Risk & Radon

How many EPA-regulated facilities are in South Lyon, MI?

U.S. EPA records track 76 regulated facilities in South Lyon, Michigan, including 2 high-risk sites (2.6%), 6 active violators (7.9%), and 60 RCRA hazardous waste handlers (78.9%).

Which ZIP codes in South Lyon, MI have the most EPA-tracked sites?

Within South Lyon, regulated facilities are primarily concentrated across ZIP 48178 (78 sites).

How can I check a specific house or commercial property in South Lyon, MI?

Enter the exact street address in South Lyon into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in South Lyon, MI and how many EPA water permits exist?

In South Lyon, MI, federal registries track 3 Safe Drinking Water (SDWIS) facilities, 12 Clean Water Act NPDES permits, and 11 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in South Lyon, MI?

USDA regional soil screening for South Lyon indicates a LOW shrink-swell foundation signal, and Oakland County has recorded 2 federal FEMA disaster declarations (2 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.

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