ZIP 51056 (Smithland, IA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 51056 in Smithland, Iowa (Woodbury County) has 2 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 51056 are screened across 2 historical Woodbury County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (2), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 51056 (Smithland, 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 51056 (Smithland, IA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 51056 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 51056 (Smithland, 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 • SMITHLAND, IA (ZIP 51056 Sector) | MODERATE (38/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| SMITHLAND WATER SUPPLY FREE PREVIEW (LOW RISK) | 110 W JACKSON, SMITHLAND, IA 51056 | LOW (9/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 51056 (Smithland, 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 51056 (Smithland, IA)?
ZIP code 51056 (Smithland, IA) contains 2 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (50.0%) have active compliance violations, and 0 (0.0%) handle RCRA hazardous waste.
How does ZIP 51056 compare to Woodbury County and Iowa averages?
In ZIP 51056, 0.0% of regulated sites are rated High Risk, compared to 0.8% across Woodbury County and 1.6% statewide in Iowa.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 51056?
Geologic screening places ZIP 51056 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 51056 (Smithland, IA) in a FEMA flood zone and what is the flood disaster history?
Woodbury County has recorded 2 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 51056 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 51056 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 51056 indicates a MODERATE shrink-swell risk signal. Within ZIP 51056, federal registries track 1 SDWIS drinking water facilities, 1 Clean Water NPDES permits, and 1 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.