St. Clair County, Michigan — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in St. Clair County, MI?
In St. Clair County, Michigan, public U.S. EPA records track 82 regulated facilities (#84 of 138 in Michigan), including 6 (7.3%) High-Risk sites and $6,691 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 73 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
St. Clair County, MI 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 St. Clair County, MI Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in St. Clair County
ZIP Codes in St. Clair County
Top EPA Regulated Facilities in St. Clair County, 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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ALGONAC, MI (ZIP 48001 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 • MARYSVILLE, MI (ZIP 48040 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SMITHS CREEK, MI (ZIP 48074 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • FAIR HAVEN, MI (ZIP 48023 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ST. CLAIR, MI (ZIP 48079 Sector) | MODERATE (51/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • EAST CHINA,, MI (ZIP 48054 Sector) | MODERATE (50/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SAINT CLAIR, MI (ZIP 48079 Sector) | MODERATE (49/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • KIMBALL, MI (ZIP 48074 Sector) | MODERATE (45/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| EPC-RANGE RD PLT FREE PREVIEW (LOW RISK) | 2015 SOUTH RANGE ROAD, ST. CLAIR, MI 48079 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| MARYSVILLE HYDROCARBONS FREE PREVIEW (LOW RISK) | 2510 BUSHA HWY, MARYSVILLE, MI 48040 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ALUDYNE US LLC-PORT HURON 2347 FREE PREVIEW (LOW RISK) | 2347 DOVE STREET, PORT HURON, MI 48060 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| GRAND TRUCK WESTERN-PT HURON FREE PREVIEW (LOW RISK) | 3373 GRISWOLD ROAD, PORT HURON, MI 48060 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — St. Clair County, Michigan Environmental Due Diligence
How many EPA-regulated environmental sites are in St. Clair County County, Michigan?
Public U.S. EPA records track 82 regulated facilities in St. Clair County County, Michigan (ranking #84 of 138 jurisdictions in MI). Of those, 6 (7.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 36 (43.9%) have active non-compliance quarters.
Which ZIP codes and cities in St. Clair County County have the highest regulated facility density?
Within St. Clair County County, the highest concentrations of EPA-tracked facilities are located in ZIP 48060 (Port Huron, 343 sites), ZIP 48040 (Marysville, 83 sites), ZIP 48041 (Riley Township, 22 sites), spanning municipal corridors including Port Huron (342 sites), Marysville (83 sites), Pearl Beach (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in St. Clair County County?
Across St. Clair County County, 3 facilities (3.7% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for St. Clair County County, MI?
Geologic indoor air screening places St. Clair County County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in St. Clair County County, MI?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 73 Clean Water Act NPDES permits, and 60 impaired water dischargers in St. Clair County County, alongside 4 historical FEMA federal disaster declarations (3 flood/storm events).
Does St. Clair County, MI have expansive clay soil or foundation risk?
USDA regional soil engineering screening for St. Clair County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.