PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
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6-IN-1 COUNTY ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • WI

Portage County, Wisconsin — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

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In Portage County, Wisconsin, public U.S. EPA records track 576 regulated facilities (#27 of 94 in Wisconsin), including 4 (0.7%) High-Risk sites and $5,391,840 in federal penalties. Countywide due diligence also covers 141 Safe Drinking Water (SDWIS) facilities, 129 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).

Total EPA Sites (#27/94)
576
High-Risk (0.7% vs 0.6% State)
4
Active Violators (2.8%)
16
Drinking & Clean Water
270
Federal Penalties
$5,391,840

Portage 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
🌊 Flood Zone & FEMA Disaster History
3 County FEMA Declarations (3 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
141 SDWIS Systems • 129 NPDES Permits
🔒 36 Impaired Water (303d) & 27 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

📊 Portage County, WI Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 308 (53.5%)
Clean Water (NPDES) & Drinking Water (SDWIS) 270 (46.9%)
Active EPA Non-Compliance Dockets 16 (2.8%)
High-Risk Enforcement Facilities 4 (0.7%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (62.7/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 5/10 • Moderate Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Portage County High-Risk % 0.7%
Wisconsin (WI) Statewide Avg 0.6%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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Top EPA Regulated Facilities in Portage 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).

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Facility Name / Hazard Type Sector Location (Street Redacted) Risk Tier & Score Compliance Status Enforcement / Unlock
🔒 Locked Regulated EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • WISCONSIN RAPIDS, WI (ZIP 54494 Sector) MODERATE (59/100) Violation Identified (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • STEVENS POINT, WI (ZIP 54481 Sector) MODERATE (52/100) Violation Identified (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • STEVENS POINT, WI (ZIP 54481 Sector) MODERATE (44/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • PLOVER, WI (ZIP 54467 Sector) MODERATE (42/100) Violation Identified (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • AMHERST, WI (ZIP 54406 Sector) MODERATE (42/100) Violation Identified (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • STEVENS POINT, WI (ZIP 54481 Sector) MODERATE (39/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • PARK RIDGE, WI (ZIP 54481 Sector) MODERATE (39/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • JUNCTION CITY, WI (ZIP 54443 Sector) MODERATE (38/100) Violation Identified (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
FAHRNER ASPHALT SEALERS LLC- PLOVER SITE FREE PREVIEW (LOW RISK) 2800 MECCA DR, PLOVER, WI 54467 LOW (18/100) No Violation Identified (0 qtrs NC) $0
GREMMER BABLITCH CONSULTING ENGINEERS FREE PREVIEW (LOW RISK) 1007 ELLIS ST, STEVENS POINT, WI 54481 LOW (16/100) No Violation Identified (0 qtrs NC) $0
FED AV ADMIN VORTAC STEVENS PT FREE PREVIEW (LOW RISK) STEVENS PT MUNICIPAL AIRPORT, STEVENS POINT, WI 54481 LOW (16/100) No Violation Identified (0 qtrs NC) $0
DOLCE DIGITAL IMAGING & PRINTING FREE PREVIEW (LOW RISK) 23 PARK RIDGE DR, STEVENS POINT, WI 54481 LOW (15/100) No Violation Identified (0 qtrs NC) $0
🔒 + 564 Additional Regulated & Enforcement Records in Portage County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Portage County, Wisconsin Environmental Due Diligence

How many EPA-regulated environmental sites are in Portage County, Wisconsin?

Public U.S. EPA records track 576 regulated facilities in Portage County, Wisconsin (ranking #27 of 94 jurisdictions in WI). Of those, 4 (0.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 16 (2.8%) have active non-compliance quarters.

Which ZIP codes and cities in Portage County have the highest regulated facility density?

Within Portage County, the highest concentrations of EPA-tracked facilities are located in ZIP 54481 (Stevens Point, 214 sites), ZIP 54467 (Plover, 120 sites), ZIP 54406 (Amherst, 25 sites), spanning municipal corridors including Stevens Point (226 sites), Plover (114 sites), Amherst (25 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Portage County?

Across Portage County, 308 facilities (53.5% 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 Portage County, WI?

Geologic indoor air screening places Portage 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 Portage County, WI?

Federal records track 141 Safe Drinking Water (SDWIS) facilities, 129 Clean Water Act NPDES permits, and 36 impaired water dischargers in Portage County, alongside 3 historical FEMA federal disaster declarations (3 flood/storm events).

Does Portage County, WI have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Portage 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.

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