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 • IA

Story County, Iowa — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

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In Story County, Iowa, public U.S. EPA records track 390 regulated facilities (#9 of 117 in Iowa), including 10 (2.6%) High-Risk sites and $5,382,500 in federal penalties. Countywide due diligence also covers 22 Safe Drinking Water (SDWIS) facilities, 44 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#9/117)
390
High-Risk (2.6% vs 1.6% State)
10
Active Violators (4.6%)
18
Drinking & Clean Water
66
Federal Penalties
$5,382,500

Story 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
2 County FEMA Declarations (2 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: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
22 SDWIS Systems • 44 NPDES Permits
🔒 4 Impaired Water (303d) & 36 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Story County, IA 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 267 (68.5%)
Clean Water (NPDES) & Drinking Water (SDWIS) 66 (16.9%)
Active EPA Non-Compliance Dockets 18 (4.6%)
High-Risk Enforcement Facilities 10 (2.6%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (68.8/100)
🌊 Flood Exposure 7/10 • Relatively Low
🔥 Wildfire Hazard 3/10 • Very Low
☀️ Extreme Heat 1/10 • Very Low
🌪️ Severe Wind / Storm 9/10 • Relatively High
🫨 USGS Earthquake 3/10 • Very Low
3. County vs. State & National Benchmark
Story County High-Risk % 2.6%
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 Story 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 • AMES, IA (ZIP 50010 Sector) HIGH (65/100) Significant Violation (3 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • AMES, IA (ZIP 50010 Sector) HIGH (64/100) No Violation Identified (0 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • STORY CITY, IA (ZIP 50248 Sector) HIGH (64/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • AMES, IA (ZIP 50011 Sector) HIGH (64/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • NEVADA, IA (ZIP 50201 Sector) HIGH (64/100) Significant Violation (10 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • AMES, IA (ZIP 50010 Sector) HIGH (64/100) No Violation Identified (0 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • AMES, IA (ZIP 50010 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • AMES, IA (ZIP 50010 Sector) HIGH (64/100) Significant Violation (6 qtrs NC) 🔒 6 Qtrs Non-Compliance • Unlock →
INDUSTRIAL PLATING CO FREE PREVIEW (LOW RISK) 212 HIGH AVE, AMES, IA 50010 LOW (19/100) No Violation Identified (0 qtrs NC) $0
VETTER EQUIPMENT CO FREE PREVIEW (LOW RISK) 60788 LINCOLN HWY, NEVADA, IA 50201 LOW (17/100) No Violation Identified (0 qtrs NC) $0
GILBERT CSD FREE PREVIEW (LOW RISK) 103 MATHEWS DR, GILBERT, IA 50105 LOW (17/100) No Violation Identified (0 qtrs NC) $0
MAGIC MUFFLER & BRAKES FREE PREVIEW (LOW RISK) 307 E LINCOLN WAY, AMES, IA 50010 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 378 Additional Regulated & Enforcement Records in Story County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Story County, Iowa Environmental Due Diligence

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

Public U.S. EPA records track 390 regulated facilities in Story County, Iowa (ranking #9 of 117 jurisdictions in IA). Of those, 10 (2.6%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 18 (4.6%) have active non-compliance quarters.

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

Within Story County, the highest concentrations of EPA-tracked facilities are located in ZIP 50010 (Ames, 215 sites), ZIP 50201 (Nevada, 57 sites), ZIP 50248 (Story City, 37 sites), spanning municipal corridors including Ames (227 sites), Nevada (56 sites), Story City (39 sites).

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

Across Story County, 267 facilities (68.5% 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 Story County, IA?

Geologic indoor air screening places Story 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 Story County, IA?

Federal records track 22 Safe Drinking Water (SDWIS) facilities, 44 Clean Water Act NPDES permits, and 4 impaired water dischargers in Story County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).

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

USDA regional soil engineering screening for Story County indicates a MODERATE 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.