Onawa, Iowa — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Onawa, IA?
Public U.S. EPA records track 25 regulated facilities in Onawa, Iowa (Monona County), including 1 High-Risk sites (4.0%) and 3 active violators. In addition to industrial waste, Onawa properties are screened for Tap Water & Watershed Permits (4 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 2 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Onawa, IA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Onawa, IA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Onawa, IA
Highest-Scored EPA Regulated Facilities in Onawa, 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 • ONAWA, IA (ZIP 51040 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ONAWA, IA (ZIP 51040 Sector) | MODERATE (34/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ONAWA, IA (ZIP 51040 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ONAWA, IA (ZIP 51040 Sector) | MODERATE (30/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| WESTENDORF MFG CO INC FREE PREVIEW (LOW RISK) | HIGHWAY 175 WEST, ONAWA, IA 51040 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| VETTER EQUIPMENT FREE PREVIEW (LOW RISK) | 2310 IOWA AVE, ONAWA, IA 51040 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DAVE HEISTERKAMP AIRCRAFT - FORMER SITE FREE PREVIEW (LOW RISK) | 22429 235TH ST, ONAWA, IA 51040 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| LOOMIS & SONS TRUCKING INC FREE PREVIEW (LOW RISK) | 521 10TH STREET, ONAWA, IA 51040 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ONAWA, IA (ZIP 51040 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ONAWA, IA (ZIP 51040 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ONAWA, IA (ZIP 51040 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ONAWA, IA (ZIP 51040 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Onawa, Iowa Environmental Risk & Radon
How many EPA-regulated facilities are in Onawa, IA?
U.S. EPA records track 25 regulated facilities in Onawa, Iowa, including 1 high-risk sites (4.0%), 3 active violators (12.0%), and 13 RCRA hazardous waste handlers (52.0%).
Which ZIP codes in Onawa, IA have the most EPA-tracked sites?
Within Onawa, regulated facilities are primarily concentrated across ZIP 51040 (25 sites).
How can I check a specific house or commercial property in Onawa, IA?
Enter the exact street address in Onawa into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Onawa, IA and how many EPA water permits exist?
In Onawa, IA, federal registries track 3 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Onawa, IA?
USDA regional soil screening for Onawa indicates a HIGH shrink-swell foundation signal, and Monona County has recorded 2 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.