Warren County, Missouri — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Warren County, MO?
In Warren County, Missouri, public U.S. EPA records track 435 regulated facilities (#33 of 190 in Missouri), including 14 (3.2%) High-Risk sites and $126,269 in federal penalties. Countywide due diligence also covers 25 Safe Drinking Water (SDWIS) facilities, 332 Clean Water NPDES permits, 14 FEMA Federal Disaster Declarations (14 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Warren County, MO 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Warren County, MO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Warren County
Top EPA Regulated Facilities in Warren County, MO
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 • WARRENTON, MO (ZIP 63383 Sector) | HIGH (71/100) | Violation Identified (3 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WRIGHT CITY, MO (ZIP 63390 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WARRENTON, MO (ZIP 63383 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MARTHASVILLE, MO (ZIP 63357 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WARRENTON, MO (ZIP 63383 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WARRENTON, MO (ZIP 63383 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • FORISTELL, MO (ZIP 63348 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WARRENTON, MO (ZIP 63383 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| BODY SHOP OF WARRENTON FREE PREVIEW (LOW RISK) | 416 PROGRESS PKWY, WARRENTON, MO 63383 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WARRENTON REFINING FREE PREVIEW (LOW RISK) | 1710 HWY M, WARRENTON, MO 63383 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| SPECIALTY AUTO BODY LLC FREE PREVIEW (LOW RISK) | 415 PROGRESS PKWY, WARRENTON, MO 63383 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| EMMAUS HOMES INC FREE PREVIEW (LOW RISK) | 2200 HIGHWAY D, MARTHASVILLE, MO 63357 | LOW (12/100) | Inactive (0 qtrs NC) | $0 |
Frequently Asked Questions — Warren County, Missouri Environmental Due Diligence
How many EPA-regulated environmental sites are in Warren County, Missouri?
Public U.S. EPA records track 435 regulated facilities in Warren County, Missouri (ranking #33 of 190 jurisdictions in MO). Of those, 14 (3.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 38 (8.7%) have active non-compliance quarters.
Which ZIP codes and cities in Warren County have the highest regulated facility density?
Within Warren County, the highest concentrations of EPA-tracked facilities are located in ZIP 63383 (Warrenton, 187 sites), ZIP 63357 (Marthasville, 55 sites), ZIP 63350 (High Hill, 24 sites), spanning municipal corridors including Warrenton (177 sites), Marthasville (52 sites), Truesdale (37 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Warren County?
Across Warren County, 78 facilities (17.9% 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 Warren County, MO?
Geologic indoor air screening places Warren County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Warren County, MO?
Federal records track 25 Safe Drinking Water (SDWIS) facilities, 332 Clean Water Act NPDES permits, and 6 impaired water dischargers in Warren County, alongside 14 historical FEMA federal disaster declarations (14 flood/storm events).
Does Warren County, MO have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Warren 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.