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 122 regulated facilities (#72 of 138 in Michigan), including 9 (7.4%) High-Risk sites and $46,093 in federal penalties. Countywide due diligence also covers 23 Safe Drinking Water (SDWIS) facilities, 138 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 • IRA, MI (ZIP 48023 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 • SMITHS CREEK, MI (ZIP 48074 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MARYSVILLE, MI (ZIP 48040 Sector) | MODERATE (61/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • YALE, MI (ZIP 48097 Sector) | MODERATE (59/100) | Violation Identified (11 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PORT HURON, MI (ZIP 48060 Sector) | MODERATE (54/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PORT HURON, MI (ZIP 48060 Sector) | MODERATE (53/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MARYSVILLE, MI (ZIP 48040 Sector) | MODERATE (51/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SMITHS CREEK, MI (ZIP 48074 Sector) | MODERATE (48/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| CONSUMERS ENERGY - ST. CLAIR COMPRESSOR STATION FREE PREVIEW (LOW RISK) | 10021 MARINE CITY HWY., IRA TWP, MI 48023 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| FCA US LLC (B2032) FREE PREVIEW (LOW RISK) | 840 E. HURON BLVD, MARYSVILLE, MI 48040 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| CROSS HUELLER DBA MAG POWERTRAIN FREE PREVIEW (LOW RISK) | 2555 20TH STREET, PORT HURON, MI 48060 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| PRO WELD INC FREE PREVIEW (LOW RISK) | 1720 DOVE ST, PORT HURON, MI 48060 | LOW (19/100) | 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, Michigan?
Public U.S. EPA records track 122 regulated facilities in St. Clair County, Michigan (ranking #72 of 138 jurisdictions in MI). Of those, 9 (7.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 23 (18.9%) have active non-compliance quarters.
Which ZIP codes and cities in St. Clair County have the highest regulated facility density?
Within St. Clair County, the highest concentrations of EPA-tracked facilities are located in ZIP 48074 (Smiths Creek, 45 sites), ZIP 48014 (Capac, 27 sites), ZIP 48097 (Yale, 21 sites), spanning municipal corridors including Capac (25 sites), Yale (20 sites), Smiths Creek (15 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in St. Clair County?
Across St. Clair County, 34 facilities (27.9% 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, MI?
Geologic indoor air screening places St. 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 St. Clair County, MI?
Federal records track 23 Safe Drinking Water (SDWIS) facilities, 138 Clean Water Act NPDES permits, and 113 impaired water dischargers in St. Clair 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.