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Cass County, Iowa — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Cass County, IA?

In Cass County, Iowa, public U.S. EPA records track 118 regulated facilities (#53 of 117 in Iowa), including 2 (1.7%) High-Risk sites and $15,000 in federal penalties. Countywide due diligence also covers 14 Safe Drinking Water (SDWIS) facilities, 14 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#53/117)
118
High-Risk (1.7% vs 1.6% State)
2
Active Violators (6.8%)
8
Drinking & Clean Water
28
Federal Penalties
$15,000

Cass County, IA 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
1 County FEMA Declarations (1 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: HIGH • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
14 SDWIS Systems • 14 NPDES Permits
🔒 0 Impaired Water (303d) & 13 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Cass County, IA Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 60 (50.8%)
Clean Water (NPDES) & Drinking Water (SDWIS) 28 (23.7%)
Active EPA Non-Compliance Dockets 8 (6.8%)
High-Risk Enforcement Facilities 2 (1.7%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (60.1/100)
🌊 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
Cass County High-Risk % 1.7%
Iowa (IA) Statewide Avg 1.6%
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 Cass County, IA

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 • ATLANTIC, IA (ZIP 50022 Sector) MODERATE (53/100) Violation Identified (6 qtrs NC) 🔒 6 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • ATLANTIC, IA (ZIP 50022 Sector) MODERATE (52/100) Resolved / Historical Non-Compliance (2 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • ATLANTIC, IA (ZIP 50022 Sector) MODERATE (39/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • MASSENA, IA (ZIP 50853 Sector) MODERATE (35/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • , IA (ZIP Sector) MODERATE (31/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • , IA (ZIP Sector) MODERATE (31/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • WIOTA, IA (ZIP 50274 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • CUMBERLAND, IA (ZIP 50843 Sector) MODERATE (30/100) Violation Identified (2 qtrs NC) 🔒 2 Qtrs Non-Compliance • Unlock →
SCHULER MFG FREE PREVIEW (LOW RISK) 63724 RICHLAND ROAD, GRISWOLD, IA 51535 LOW (19/100) No Violation Identified (0 qtrs NC) $0
CASS COUNTY MEMORIAL HOSPITAL FREE PREVIEW (LOW RISK) 1501 E 10TH, ATLANTIC, IA 50022 LOW (19/100) No Violation Identified (0 qtrs NC) $0
CAM MIDDLE SCHOOL FREE PREVIEW (LOW RISK) 207 E 6TH ST, MASSENA, IA 50853 LOW (17/100) No Violation Identified (0 qtrs NC) $0
DETER MOTOR COMPANY FREE PREVIEW (LOW RISK) 100 E 2ND ST, ATLANTIC, IA 50022 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 106 Additional Regulated & Enforcement Records in Cass County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Cass County, Iowa Environmental Due Diligence

How many EPA-regulated environmental sites are in Cass County, Iowa?

Public U.S. EPA records track 118 regulated facilities in Cass County, Iowa (ranking #53 of 117 jurisdictions in IA). Of those, 2 (1.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 8 (6.8%) have active non-compliance quarters.

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

Within Cass County, the highest concentrations of EPA-tracked facilities are located in ZIP 50022 (Atlantic, 66 sites), ZIP 51535 (Griswold, 16 sites), ZIP 50020 (Anita, 13 sites), spanning municipal corridors including Atlantic (64 sites), Griswold (15 sites), Anita (13 sites).

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

Across Cass County, 60 facilities (50.8% 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 Cass County, IA?

Geologic indoor air screening places Cass County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.

How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Cass County, IA?

Federal records track 14 Safe Drinking Water (SDWIS) facilities, 14 Clean Water Act NPDES permits, and 0 impaired water dischargers in Cass County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).

Does Cass County, IA have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Cass County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.

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