Grant County, Wisconsin — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Grant County, WI?
In Grant County, Wisconsin, public U.S. EPA records track 404 regulated facilities (#36 of 94 in Wisconsin), including 8 (2.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 112 Safe Drinking Water (SDWIS) facilities, 115 Clean Water NPDES permits, 3 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).
Grant County, WI 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Grant County, WI Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Grant County
ZIP Codes in Grant County
Top EPA Regulated Facilities in Grant County, WI
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 • LANCASTER, WI (ZIP 53813 Sector) | HIGH (69/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • LANCASTER, WI (ZIP 53813 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • HAZEL GREEN, WI (ZIP 53811 Sector) | HIGH (64/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MONTFORT, WI (ZIP 53569 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • BOSCOBEL, WI (ZIP 53805 Sector) | MODERATE (52/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • HAZEL GREEN, WI (ZIP 53811 Sector) | MODERATE (50/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • LANCASTER, WI (ZIP 53813 Sector) | MODERATE (49/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CUBA CITY, WI (ZIP 53807 Sector) | MODERATE (43/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| ALLIANT ENERGY - WPL - NELSON DEWEY FACILITY FREE PREVIEW (LOW RISK) | 11999 CTH VV, CASSVILLE, WI 53806 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| DURR UNIVERSAL INC FREE PREVIEW (LOW RISK) | 815 INDUSTRIAL DR, MUSCODA, WI 53573 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| WI DNR NELSON DEWEY STATE PARK FREE PREVIEW (LOW RISK) | CTH VV, CASSVILLE, WI 53806 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ADVANCE TRANSFORMER CO (FORMER) FREE PREVIEW (LOW RISK) | 1000 PHILIPS RD SITE B, PLATTEVILLE, WI 53818 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Grant County, Wisconsin Environmental Due Diligence
How many EPA-regulated environmental sites are in Grant County, Wisconsin?
Public U.S. EPA records track 404 regulated facilities in Grant County, Wisconsin (ranking #36 of 94 jurisdictions in WI). Of those, 8 (2.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 45 (11.1%) have active non-compliance quarters.
Which ZIP codes and cities in Grant County have the highest regulated facility density?
Within Grant County, the highest concentrations of EPA-tracked facilities are located in ZIP 54999 (Fennimore, 84 sites), ZIP 53818 (Platteville, 59 sites), ZIP 53813 (Lawcaster, 48 sites), spanning municipal corridors including Platteville (57 sites), Lancaster (43 sites), Boscobel (33 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Grant County?
Across Grant County, 172 facilities (42.6% 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 Grant County, WI?
Geologic indoor air screening places Grant 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 Grant County, WI?
Federal records track 112 Safe Drinking Water (SDWIS) facilities, 115 Clean Water Act NPDES permits, and 19 impaired water dischargers in Grant County, alongside 3 historical FEMA federal disaster declarations (3 flood/storm events).
Does Grant County, WI have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Grant County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.