ZIP 63631 (Caledonia, MO) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 63631 in Caledonia, Missouri (Washington County) has 5 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 2 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 63631 are screened across 4 historical Washington County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (4), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 63631 (Caledonia, MO) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 63631 (Caledonia, MO) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 63631 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 2 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 63631 (Caledonia, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CALEDONIA, MO (ZIP 63631 Sector) | MODERATE (40/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CALEDONIA, MO (ZIP 63631 Sector) | MODERATE (35/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| DICKEY FARM SUPPLY INC FREE PREVIEW (LOW RISK) | 22851 SOUTH STATE HIGHWAY 21, CALEDONIA, MO 63631 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| ROY MASTERS LAND DISTURBA FREE PREVIEW (LOW RISK) | 19520 SOUTH HWY 21, POTOSI, MO 63631 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| CITY OF CALEDONIA FREE PREVIEW (LOW RISK) | CALEDONIA WATER, CALEDONIA, MO 63631 | LOW (9/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 63631 (Caledonia, MO) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 63631 (Caledonia, MO)?
ZIP code 63631 (Caledonia, MO) contains 5 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 2 (40.0%) have active compliance violations, and 0 (0.0%) handle RCRA hazardous waste.
How does ZIP 63631 compare to Washington County and Missouri averages?
In ZIP 63631, 0.0% of regulated sites are rated High Risk, compared to 2.7% across Washington County and 1.5% statewide in Missouri.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 63631?
Geologic screening places ZIP 63631 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 63631 (Caledonia, MO) in a FEMA flood zone and what is the flood disaster history?
Washington County has recorded 4 historical FEMA federal disaster declarations (4 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 63631 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 63631 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 63631 indicates a MODERATE shrink-swell risk signal. Within ZIP 63631, federal registries track 0 SDWIS drinking water facilities, 4 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.