Saint Clair County, Michigan — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Saint Clair County, MI?
In Saint Clair County, Michigan, public U.S. EPA records track 65 regulated facilities (#91 of 138 in Michigan), including 1 (1.5%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 3 Safe Drinking Water (SDWIS) facilities, 17 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).
Saint 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📊 Saint Clair County, MI Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Saint Clair County
ZIP Codes in Saint Clair County
Top EPA Regulated Facilities in Saint 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 • CASCO, MI (ZIP 48064 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MEMPHIS, MI (ZIP 48041 Sector) | MODERATE (57/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PORT HURON, MI (ZIP 48060 Sector) | MODERATE (51/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAINT CLAIR, MI (ZIP 48079 Sector) | MODERATE (50/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ST CLAIR, MI (ZIP 48079 Sector) | MODERATE (46/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • HARSENS ISLAND, MI (ZIP 48028 Sector) | MODERATE (46/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • EAST CHINA, MI (ZIP 48054 Sector) | MODERATE (45/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • EAST CHINA, MI (ZIP 48054 Sector) | MODERATE (45/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| HURON MFG DIV FREE PREVIEW (LOW RISK) | 2347 DOVE STREET, PORT HURON, MI 48060 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| EVANS ST CLAIR INC FREE PREVIEW (LOW RISK) | 2541 MILLS ST, MARYSVILLE, MI 48040 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| C AND B ENTERPRISES FREE PREVIEW (LOW RISK) | 6347 KING RD, MARINE CITY, MI 48039 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| S & H SORTING AND PACKING FREE PREVIEW (LOW RISK) | 2401 20TH ST, PORT HURON, MI 48060 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Saint Clair County, Michigan Environmental Due Diligence
How many EPA-regulated environmental sites are in Saint Clair County, Michigan?
Public U.S. EPA records track 65 regulated facilities in Saint Clair County, Michigan (ranking #91 of 138 jurisdictions in MI). Of those, 1 (1.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 12 (18.5%) have active non-compliance quarters.
Which ZIP codes and cities in Saint Clair County have the highest regulated facility density?
Within Saint Clair County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including St Clair (4 sites), Saint Clair Haven (2 sites), Maryville (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Saint Clair County?
Across Saint Clair County, 40 facilities (61.5% 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 Saint Clair County, MI?
Geologic indoor air screening places Saint Clair 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 Saint Clair County, MI?
Federal records track 3 Safe Drinking Water (SDWIS) facilities, 17 Clean Water Act NPDES permits, and 13 impaired water dischargers in Saint Clair County, alongside 4 historical FEMA federal disaster declarations (3 flood/storm events).
Does Saint Clair County, MI have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Saint 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.