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

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

In Louisa County, Iowa, public U.S. EPA records track 73 regulated facilities (#83 of 117 in Iowa), including 2 (2.7%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 23 Safe Drinking Water (SDWIS) facilities, 12 Clean Water NPDES permits, 7 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#83/117)
73
High-Risk (2.7% vs 1.6% State)
2
Active Violators (13.7%)
10
Drinking & Clean Water
35
Federal Penalties
$0

Louisa 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
7 County FEMA Declarations (6 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: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
23 SDWIS Systems • 12 NPDES Permits
🔒 3 Impaired Water (303d) & 20 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

📊 Louisa 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 27 (37.0%)
Clean Water (NPDES) & Drinking Water (SDWIS) 35 (47.9%)
Active EPA Non-Compliance Dockets 10 (13.7%)
High-Risk Enforcement Facilities 2 (2.7%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (17.5/100)
🌊 Flood Exposure 1/10 • Very 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
Louisa County High-Risk % 2.7%
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 Louisa 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 High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • WAPELLO, IA (ZIP 52658 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • WAPELLO, IA (ZIP 52653 Sector) MODERATE (49/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • WAPELLO, IA (ZIP 52653 Sector) MODERATE (49/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • MORNING SUN, IA (ZIP 52640 Sector) MODERATE (44/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • WAPELLO, IA (ZIP 52653 Sector) MODERATE (39/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • COLUMBUS JUNCTION, IA (ZIP 52738 Sector) MODERATE (32/100) Violation Identified (2 qtrs NC) 🔒 2 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • , IA (ZIP Sector) MODERATE (32/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • GRANDVIEW, IA (ZIP 52752 Sector) MODERATE (30/100) Violation Identified (6 qtrs NC) 🔒 6 Qtrs Non-Compliance • Unlock →
NATURAL GAS PIPELINE CO OF AMERICA - STATION 204 FREE PREVIEW (LOW RISK) 21864 120TH ST, COLUMBUS JUNCTION, IA 52738 LOW (19/100) No Violation Identified (0 qtrs NC) $0
S & J TUBE MANUFACTURING FREE PREVIEW (LOW RISK) 14050 70TH STREET, WAPELLO, IA 52653 LOW (19/100) No Violation Identified (0 qtrs NC) $0
GRIMM BROTHERS PLASTICS CORP FREE PREVIEW (LOW RISK) 1 QUALITY COURT, WAPELLO, IA 52653 LOW (19/100) No Violation Identified (0 qtrs NC) $0
RIVER PRODUCTS CO INC-COLUMBUS JUNCTION FREE PREVIEW (LOW RISK) 25781 COUNTY ROAD G52, COLUMBUS JUNCTION, IA 52738 LOW (18/100) No Violation Identified (0 qtrs NC) $0
🔒 + 61 Additional Regulated & Enforcement Records in Louisa County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Louisa County, Iowa Environmental Due Diligence

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

Public U.S. EPA records track 73 regulated facilities in Louisa County, Iowa (ranking #83 of 117 jurisdictions in IA). Of those, 2 (2.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 10 (13.7%) have active non-compliance quarters.

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

Within Louisa County, the highest concentrations of EPA-tracked facilities are located in ZIP 52738 (Columbus Jct, 22 sites), ZIP 52653 (Wapello, 20 sites), ZIP 52640 (Morning Sun, 9 sites), spanning municipal corridors including Wapello (22 sites), Columbus Junction (14 sites), Morning Sun (9 sites).

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

Across Louisa County, 27 facilities (37.0% 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 Louisa County, IA?

Geologic indoor air screening places Louisa 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 Louisa County, IA?

Federal records track 23 Safe Drinking Water (SDWIS) facilities, 12 Clean Water Act NPDES permits, and 3 impaired water dischargers in Louisa County, alongside 7 historical FEMA federal disaster declarations (6 flood/storm events).

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

USDA regional soil engineering screening for Louisa County indicates a HIGH 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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