ZIP 51201 (Sheldon, IA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 51201 in Sheldon, Iowa (O Brien County) has 53 EPA-tracked facilities, including 1 High-Risk sites (1.9%), 1 active violators, and $8,750 in federal penalties. Beyond industrial pollution, properties in ZIP 51201 are screened across 7 historical O Brien County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (7), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 51201 (Sheldon, 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 51201 (Sheldon, IA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 51201 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 51201 (Sheldon, 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 • SHELDON, IA (ZIP 51201 Sector) | MODERATE (45/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SHELDON, IA (ZIP 51201 Sector) | MODERATE (44/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SHELDON, IA (ZIP 51201 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SHELDON, IA (ZIP 51201 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SHELDON, IA (ZIP 51201 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SHELDON, IA (ZIP 51201 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SHELDON, IA (ZIP 51201 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SHELDON, IA (ZIP 51201 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| LAND O'LAKES PURINA FEED LLC - SHELDON FREE PREVIEW (LOW RISK) | 105 W. 8TH ST., SHELDON, IA 51201 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| HAMILL MOTOR COMPANY INC FREE PREVIEW (LOW RISK) | 710 2ND AVENUE, SHELDON, IA 51201 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MAINTAINER CORPORATION OF IOWA FREE PREVIEW (LOW RISK) | 1701 2ND AVENUE, SHELDON, IA 51201 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| ROSENBOOM FRAME & BODY FREE PREVIEW (LOW RISK) | 204 11TH ST, SHELDON, IA 51201 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 51201 (Sheldon, 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 51201 (Sheldon, IA)?
ZIP code 51201 (Sheldon, IA) contains 53 EPA-tracked facilities, of which 1 (1.9%) are classified in the High-Risk tier, 1 (1.9%) have active compliance violations, and 31 (58.5%) handle RCRA hazardous waste.
How does ZIP 51201 compare to O Brien County and Iowa averages?
In ZIP 51201, 1.9% of regulated sites are rated High Risk, compared to 0.0% across O Brien County and 1.6% statewide in Iowa.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 51201?
Geologic screening places ZIP 51201 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 51201 (Sheldon, IA) in a FEMA flood zone and what is the flood disaster history?
O Brien County has recorded 7 historical FEMA federal disaster declarations (6 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 51201 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 51201 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 51201 indicates a HIGH shrink-swell risk signal. Within ZIP 51201, federal registries track 1 SDWIS drinking water facilities, 6 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.