ZIP 51031 (Le Mars, IA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 51031 in Le Mars, Iowa (Plymouth County) has 83 EPA-tracked facilities, including 3 High-Risk sites (3.6%), 3 active violators, and $236,000 in federal penalties. Beyond industrial pollution, properties in ZIP 51031 are screened across 1 historical Plymouth County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (12), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 51031 (Le Mars, 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 51031 (Le Mars, IA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 51031 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 3 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 51031 (Le Mars, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • LE MARS, IA (ZIP 51031 Sector) | HIGH (78/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • LE MARS, IA (ZIP 51031 Sector) | MODERATE (38/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LE MARS, IA (ZIP 51031 Sector) | MODERATE (38/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CRAIG, IA (ZIP 51031 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • LE MARS, IA (ZIP 51031 Sector) | MODERATE (34/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LE MARS, IA (ZIP 51031 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • LE MARS, IA (ZIP 51031 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LE MARS, IA (ZIP 51031 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| MID AMERICAN ENERGY CO-LE MARS FREE PREVIEW (LOW RISK) | 1171 PROSPECT STREET SOUTHWEST, LE MARS, IA 51031 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MOTOR INN OF LE MARS INC FREE PREVIEW (LOW RISK) | 205 5TH AVENUE NORTHWEST, LE MARS, IA 51031 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| TERRA INTERNATIONAL INC FREE PREVIEW (LOW RISK) | 1533 18TH ST SW, LE MARS, IA 51031 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CARLS WELDING SHOP FREE PREVIEW (LOW RISK) | 2301 18TH ST SW, LE MARS, IA 51031 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 51031 (Le Mars, 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 51031 (Le Mars, IA)?
ZIP code 51031 (Le Mars, IA) contains 83 EPA-tracked facilities, of which 3 (3.6%) are classified in the High-Risk tier, 3 (3.6%) have active compliance violations, and 44 (53.0%) handle RCRA hazardous waste.
How does ZIP 51031 compare to Plymouth County and Iowa averages?
In ZIP 51031, 3.6% of regulated sites are rated High Risk, compared to 2.3% across Plymouth County and 1.6% statewide in Iowa.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 51031?
Geologic screening places ZIP 51031 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 51031 (Le Mars, IA) in a FEMA flood zone and what is the flood disaster history?
Plymouth County has recorded 1 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 51031 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 51031 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 51031 indicates a HIGH shrink-swell risk signal. Within ZIP 51031, federal registries track 2 SDWIS drinking water facilities, 10 Clean Water NPDES permits, and 2 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.