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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • JOHNSTON, IA

Johnston, Iowa — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Johnston, IA?

Public U.S. EPA records track 97 regulated facilities in Johnston, Iowa (Polk County), including 1 High-Risk sites (1.0%) and 1 active violators. In addition to industrial waste, Johnston properties are screened for Tap Water & Watershed Permits (5 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 3 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites
97
High-Risk (1.0% vs 1.6% State)
1
Active Violators (1.0%)
1
Drinking & Clean Water
5
Federal Penalties
$20,000

Johnston, 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
Polk County: 3 FEMA Declarations (3 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
2 SDWIS Systems • 3 NPDES Permits
🔒 1 Impaired Water (303d) & 1 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

📊 Johnston, IA Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 30 (30.9%)
Clean Water (NPDES) & Drinking Water (SDWIS) 5 (5.2%)
Active EPA Non-Compliance Dockets 1 (1.0%)
High-Risk Enforcement Facilities 1 (1.0%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (92.0/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 7/10 • High Hazard
🌪️ Severe Wind / Storm 9/10 • Very High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. City vs. County & State Benchmark
Johnston High-Risk Rate 1.0%
Polk County Average 0.7%
Iowa (IA) Statewide Avg 1.6%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in Johnston →

ZIP Codes in Johnston, IA

ZIP 50131 (97 sites • 1 High Risk)

Highest-Scored EPA Regulated Facilities in Johnston, 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 • JOHNSTON, IA (ZIP 50131 Sector) HIGH (74/100) Violation Identified (9 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • JOHNSTON, IA (ZIP 50131 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • JOHNSTON, IA (ZIP 50131 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • JOHNSTON, IA (ZIP 50131 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • JOHNSTON, IA (ZIP 50131 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • JOHNSTON, IA (ZIP 50131 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • JOHNSTON, IA (ZIP 50131 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • JOHNSTON, IA (ZIP 50131 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
SYCAMORE COMBUSTION TURBINE FREE PREVIEW (LOW RISK) 6141 NW BEAVER DR, JOHNSTON, IA 50131 LOW (19/100) No Violation Identified (0 qtrs NC) $0
PIONEER FREE PREVIEW (LOW RISK) 6501 NW BEAVER DR, JOHNSTON, IA 50131 LOW (19/100) No Violation Identified (0 qtrs NC) $0
CITY OF JOHNSTON FREE PREVIEW (LOW RISK) 6400 NW BEAVER DR, JOHNSTON, IA 50131 LOW (19/100) No Violation Identified (0 qtrs NC) $0
JARNIGAN PAINTING FREE PREVIEW (LOW RISK) 6395 NORTHWEST BEAVER DRIVE, JOHNSTON, IA 50131 LOW (19/100) No Violation Identified (0 qtrs NC) $0
🔒 + 85 Additional Regulated & Enforcement Records in Johnston, IA Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Johnston, Iowa Environmental Risk & Radon

How many EPA-regulated facilities are in Johnston, IA?

U.S. EPA records track 97 regulated facilities in Johnston, Iowa, including 1 high-risk sites (1.0%), 1 active violators (1.0%), and 30 RCRA hazardous waste handlers (30.9%).

Which ZIP codes in Johnston, IA have the most EPA-tracked sites?

Within Johnston, regulated facilities are primarily concentrated across ZIP 50131 (97 sites).

How can I check a specific house or commercial property in Johnston, IA?

Enter the exact street address in Johnston into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in Johnston, IA and how many EPA water permits exist?

In Johnston, IA, federal registries track 2 Safe Drinking Water (SDWIS) facilities, 3 Clean Water Act NPDES permits, and 1 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Johnston, IA?

USDA regional soil screening for Johnston indicates a MODERATE shrink-swell foundation signal, and Polk County has recorded 3 federal FEMA disaster declarations (3 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.

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