Humboldt County, Iowa — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Humboldt County, IA?
In Humboldt County, Iowa, public U.S. EPA records track 115 regulated facilities (#56 of 117 in Iowa), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 15 Safe Drinking Water (SDWIS) facilities, 13 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Humboldt 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📊 Humboldt County, IA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Humboldt County
Top EPA Regulated Facilities in Humboldt 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • HUMBOLDT, IA (ZIP 50548 Sector) | MODERATE (45/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • LIVERMORE, IA (ZIP 50558 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BODE, IA (ZIP 50519 Sector) | MODERATE (34/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • HUMBOLDT, IA (ZIP 50548 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • RUTLAND, IA (ZIP 50582 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • RENWICK, IA (ZIP 50577 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HUMBOLDT, IA (ZIP 50548 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LIVERMORE, IA (ZIP 50558 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| HAWKEYE LEISURE TRAILERS, LTD FREE PREVIEW (LOW RISK) | 1419 11TH ST N, HUMBOLDT, IA 50548 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| GOLD-EAGLE COOPERATIVE-HARDY FREE PREVIEW (LOW RISK) | 105 WEST RAILROAD STREET, HARDY, IA 50545 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| JET COMPANY FREE PREVIEW (LOW RISK) | 1303 NORTH 13TH STREET, HUMBOLDT, IA 50548 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| HY-CAPACITY ENG & MFG, INC FREE PREVIEW (LOW RISK) | 1404 13TH ST S, HUMBOLDT, IA 50548 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Humboldt County, Iowa Environmental Due Diligence
How many EPA-regulated environmental sites are in Humboldt County, Iowa?
Public U.S. EPA records track 115 regulated facilities in Humboldt County, Iowa (ranking #56 of 117 jurisdictions in IA). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 3 (2.6%) have active non-compliance quarters.
Which ZIP codes and cities in Humboldt County have the highest regulated facility density?
Within Humboldt County, the highest concentrations of EPA-tracked facilities are located in ZIP 50548 (Humboldt, 68 sites), ZIP 50541 (Gilmore City, 16 sites), ZIP 50529 (Dakota City, 8 sites), spanning municipal corridors including Humboldt (66 sites), Gilmore City (15 sites), Dakota City (9 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Humboldt County?
Across Humboldt County, 53 facilities (46.1% 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 Humboldt County, IA?
Geologic indoor air screening places Humboldt 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 Humboldt County, IA?
Federal records track 15 Safe Drinking Water (SDWIS) facilities, 13 Clean Water Act NPDES permits, and 7 impaired water dischargers in Humboldt County, alongside 3 historical FEMA federal disaster declarations (3 flood/storm events).
Does Humboldt County, IA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Humboldt County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.