ZIP 51431 (Arthur, IA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 51431 in Arthur, Iowa (Ida County) has 4 EPA-tracked facilities, including 1 High-Risk sites (25.0%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 51431 are screened across 7 historical Ida County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (3), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 51431 (Arthur, IA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 51431 (Arthur, IA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 51431 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 51431 (Arthur, IA)
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ARTHUR, IA (ZIP 51431 Sector) | MODERATE (53/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ARTHUR, IA (ZIP 51431 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ARTHUR, IA (ZIP 51431 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| NORTHERN NATURAL GAS - ARTHUR TOWN BORDER STATION FREE PREVIEW (LOW RISK) | 2523 QUAIL AVE, ARTHUR, IA 51431 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 51431 (Arthur, 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 51431 (Arthur, IA)?
ZIP code 51431 (Arthur, IA) contains 4 EPA-tracked facilities, of which 1 (25.0%) are classified in the High-Risk tier, 1 (25.0%) have active compliance violations, and 2 (50.0%) handle RCRA hazardous waste.
How does ZIP 51431 compare to Ida County and Iowa averages?
In ZIP 51431, 25.0% of regulated sites are rated High Risk, compared to 7.8% across Ida County and 1.6% statewide in Iowa.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 51431?
Geologic screening places ZIP 51431 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 51431 (Arthur, IA) in a FEMA flood zone and what is the flood disaster history?
Ida County has recorded 7 historical FEMA federal disaster declarations (6 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 51431 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 51431 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 51431 indicates a HIGH shrink-swell risk signal. Within ZIP 51431, federal registries track 1 SDWIS drinking water facilities, 2 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.