Marion County, Iowa — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Marion County, IA?
In Marion County, Iowa, public U.S. EPA records track 171 regulated facilities (#23 of 117 in Iowa), including 4 (2.3%) High-Risk sites and $108,976 in federal penalties. Countywide due diligence also covers 12 Safe Drinking Water (SDWIS) facilities, 21 Clean Water NPDES permits, 7 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Marion 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📊 Marion County, IA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Marion County
ZIP Codes in Marion County
Top EPA Regulated Facilities in Marion 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 • PELLA, IA (ZIP 50219 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • KNOXVILLE, IA (ZIP 50138 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • OTLEY, IA (ZIP 50214 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • KNOXVILLE, IA (ZIP 50138 Sector) | MODERATE (49/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • HARVEY, IA (ZIP 50119 Sector) | MODERATE (36/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • KNOXVILLE, IA (ZIP 50138 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PELLA, IA (ZIP 50219 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • TRACY, IA (ZIP 50256 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| VAN GORP CORP FREE PREVIEW (LOW RISK) | 1410 W. WASHINGTON ST., PELLA, IA 50219 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| TWIN CEDARS COMMUNITY SCHOOL FREE PREVIEW (LOW RISK) | 2204 HIGHWAY G71, BUSSEY, IA 50044 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| VETERANS ADMIN FREE PREVIEW (LOW RISK) | 1515 WEST PLEASANT STREET, KNOXVILLE, IA 50138 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| LDJ MANUFACTURING INC FREE PREVIEW (LOW RISK) | 1833 HWY 163, PELLA, IA 50219 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Marion County, Iowa Environmental Due Diligence
How many EPA-regulated environmental sites are in Marion County, Iowa?
Public U.S. EPA records track 171 regulated facilities in Marion County, Iowa (ranking #23 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 10 (5.8%) have active non-compliance quarters.
Which ZIP codes and cities in Marion County have the highest regulated facility density?
Within Marion County, the highest concentrations of EPA-tracked facilities are located in ZIP 50219 (Pella, 80 sites), ZIP 50138 (Knoxville, 60 sites), ZIP 50225 (Pleasantville, 11 sites), spanning municipal corridors including Pella (77 sites), Knoxville (60 sites), Pleasantville (12 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Marion County?
Across Marion County, 104 facilities (60.8% 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 Marion County, IA?
Geologic indoor air screening places Marion 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 Marion County, IA?
Federal records track 12 Safe Drinking Water (SDWIS) facilities, 21 Clean Water Act NPDES permits, and 2 impaired water dischargers in Marion County, alongside 7 historical FEMA federal disaster declarations (6 flood/storm events).
Does Marion County, IA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Marion 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.