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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Home › States › Iowa › Red Oak › ZIP 51566
6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 51566

ZIP 51566 (Red Oak, IA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 51566 →

ZIP code 51566 in Red Oak, Iowa (Montgomery County) has 61 EPA-tracked facilities, including 4 High-Risk sites (6.6%), 2 active violators, and $5,458,448 in federal penalties. Beyond industrial pollution, properties in ZIP 51566 are screened across 1 historical Montgomery County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (5), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites in 51566
61
High-Risk (6.6% vs 3.9% County)
4
Active Violators (3.3%)
2
Drinking & Clean Water
5
Federal Penalties
$5,458,448

ZIP 51566 (Red Oak, 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
Montgomery County: 1 FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Unlock Parcel 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
1 SDWIS Systems • 4 NPDES Permits
🔒 0 Impaired Water (303d) & 3 Violation Dockets in 51566 Locked
Unlock Utility Violation Log →
☢️ 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

📊 ZIP 51566 (Red Oak, IA) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. ZIP 51566 Regulatory & Water Mix
RCRA Hazardous Waste Generators 40 (65.6%)
Clean Water (NPDES) & Drinking Water (SDWIS) 5 (8.2%)
Active EPA Non-Compliance Dockets 2 (3.3%)
High-Risk Enforcement Facilities 4 (6.6%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (33.7/100)
🌊 Flood Exposure 3/10 • Very Low
🔥 Wildfire Hazard 3/10 • Very Low
☀️ Extreme Heat 7/10 • Relatively Low
🌪️ Severe Wind / Storm 6/10 • Relatively Low
🫨 USGS Earthquake 2/10 • Very Low
3. ZIP 51566 vs. County & State Benchmark
ZIP 51566 High-Risk Rate 6.6%
Montgomery County Average 3.9%
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.
🔒 Unlock Full 6-in-1 Property Report for 51566 →

ZIP 51566 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 4 High-Risk and 2 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 4 High-Risk & 2 Violation Pin Coordinates Redacted in ZIP 51566 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 51566 (Red Oak, IA)

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full ZIP 51566 Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • RED OAK, IA (ZIP 51566 Sector) HIGH (64/100) No Violation Identified (0 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • RED OAK, IA (ZIP 51566 Sector) HIGH (64/100) No Violation Identified (0 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • RED OAK, IA (ZIP 51566 Sector) MODERATE (55/100) Violation Identified (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • RED OAK, IA (ZIP 51566 Sector) MODERATE (41/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • RED OAK, IA (ZIP 51566 Sector) MODERATE (35/100) Resolved / Historical Non-Compliance (4 qtrs NC) 🔒 4 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • RED OAK, IA (ZIP 51566 Sector) MODERATE (32/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • RED OAK, IA (ZIP 51566 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • RED OAK, IA (ZIP 51566 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
AMERICAN HYDRAULICS FREE PREVIEW (LOW RISK) 2700 N BROADWAY, RED OAK, IA 51566 LOW (20/100) No Violation Identified (0 qtrs NC) $0
UNITED FARMERS MERCANTILE COOP FREE PREVIEW (LOW RISK) 203 WEST OAK STREET, RED OAK, IA 51566 LOW (20/100) No Violation Identified (0 qtrs NC) $0
FRES-CO SYSTEM USA, INC FREE PREVIEW (LOW RISK) 2026 FERNWOOD AVENUE, RED OAK, IA 51566 LOW (18/100) No Violation Identified (0 qtrs NC) $0
JII SALES PROMOTION - FORMER SITE OF FREE PREVIEW (LOW RISK) 110 S 2ND ST, RED OAK, IA 51566 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 49 Additional Regulated & Enforcement Records in ZIP 51566 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 51566 (Red Oak, IA) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)

How many EPA-tracked environmental sites are in ZIP code 51566 (Red Oak, IA)?

ZIP code 51566 (Red Oak, IA) contains 61 EPA-tracked facilities, of which 4 (6.6%) are classified in the High-Risk tier, 2 (3.3%) have active compliance violations, and 40 (65.6%) handle RCRA hazardous waste.

How does ZIP 51566 compare to Montgomery County and Iowa averages?

In ZIP 51566, 6.6% of regulated sites are rated High Risk, compared to 3.9% across Montgomery County and 1.6% statewide in Iowa.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 51566?

Geologic screening places ZIP 51566 in EPA Zone 1 — High Potential (> 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.

Is ZIP 51566 (Red Oak, IA) in a FEMA flood zone and what is the flood disaster history?

Montgomery County has recorded 1 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 51566 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 51566 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 51566 indicates a MODERATE shrink-swell risk signal. Within ZIP 51566, federal registries track 1 SDWIS drinking water facilities, 4 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.