Plymouth County, Iowa — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Plymouth County, IA?
In Plymouth County, Iowa, public U.S. EPA records track 172 regulated facilities (#22 of 117 in Iowa), including 4 (2.3%) High-Risk sites and $236,000 in federal penalties. Countywide due diligence also covers 16 Safe Drinking Water (SDWIS) facilities, 31 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Plymouth County, IA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Plymouth County, IA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Plymouth County
Top EPA Regulated Facilities in Plymouth County, 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 Tier & Score | 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 High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MERRILL, IA (ZIP 51038 Sector) | HIGH (71/100) | Significant Violation (8 qtrs NC) | 🔒 8 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 (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 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 #5 | 🔒 Exact Street & Parcel Redacted • HINTON, IA (ZIP 51024 Sector) | MODERATE (37/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • AKRON, IA (ZIP 51001 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 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 #8 | 🔒 Exact Street & Parcel Redacted • KINGSLEY, IA (ZIP 51028 Sector) | MODERATE (32/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| PRAIRIE SUN FOODS, LLC. FREE PREVIEW (LOW RISK) | 22058 K42, MERRILL, IA 51038 | LOW (18/100) | 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 |
| KINGSLEY-PIERSON HIGH SCHOOL FREE PREVIEW (LOW RISK) | 322 QUEST AVENUE, KINGSLEY, IA 51028 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| HINTON COMM SCHOOL FREE PREVIEW (LOW RISK) | 315 WEST GRAND STREET, HINTON, IA 51024 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Plymouth County, Iowa Environmental Due Diligence
How many EPA-regulated environmental sites are in Plymouth County, Iowa?
Public U.S. EPA records track 172 regulated facilities in Plymouth County, Iowa (ranking #22 of 117 jurisdictions in IA). Of those, 4 (2.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 8 (4.7%) have active non-compliance quarters.
Which ZIP codes and cities in Plymouth County have the highest regulated facility density?
Within Plymouth County, the highest concentrations of EPA-tracked facilities are located in ZIP 51031 (Le Mars, 83 sites), ZIP 51001 (Akron, 22 sites), ZIP 51050 (Remsen, 20 sites), spanning municipal corridors including Le Mars (67 sites), Remsen (19 sites), Akron (18 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Plymouth County?
Across Plymouth County, 77 facilities (44.8% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Plymouth County, IA?
Geologic indoor air screening places Plymouth County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Plymouth County, IA?
Federal records track 16 Safe Drinking Water (SDWIS) facilities, 31 Clean Water Act NPDES permits, and 5 impaired water dischargers in Plymouth County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Plymouth County, IA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Plymouth County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.