ZIP 63021 (Grover, MO) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 63021 in Grover, Missouri (St. Louis County) has 143 EPA-tracked facilities, including 1 High-Risk sites (0.7%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 63021 are screened across 3 historical St. Louis County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (97), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 63021 (Grover, 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 63021 (Grover, MO) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 63021 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 63021 (Grover, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • BALLWIN, MO (ZIP 63021 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MANCHESTER, MO (ZIP 63021 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MANCHESTER, MO (ZIP 63021 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • BALLWIN, MO (ZIP 63021 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • BALLWIN, MO (ZIP 63021 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MANCHESTER, MO (ZIP 63021 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ELLISVILLE, MO (ZIP 63021 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BALLWIN, MO (ZIP 63021 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| COOPER BUSSMAN INC. FREE PREVIEW (LOW RISK) | 114 OLD STATE ROAD, ELLISVILLE, MO 63021 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| CCMRB PROCESSING LLC FREE PREVIEW (LOW RISK) | 16217 WESTWOODS BUSINESS PARK, ELLISVILLE, MO 63021 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SOVEREIGN REALTY GROUP LL FREE PREVIEW (LOW RISK) | 251 RIES ROAD &, BALLWIN, MO 63021 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| IMPROVEMENTS TO EXISTING FREE PREVIEW (LOW RISK) | 834 DUNRAVEN DR, 949 KINS, MANCHESTER, MO 63021 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 63021 (Grover, 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 63021 (Grover, MO)?
ZIP code 63021 (Grover, MO) contains 143 EPA-tracked facilities, of which 1 (0.7%) are classified in the High-Risk tier, 1 (0.7%) have active compliance violations, and 40 (28.0%) handle RCRA hazardous waste.
How does ZIP 63021 compare to St. Louis County and Missouri averages?
In ZIP 63021, 0.7% of regulated sites are rated High Risk, compared to 0.9% across St. Louis County and 1.5% statewide in Missouri.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 63021?
Geologic screening places ZIP 63021 in EPA Zone 1 — High Potential (> 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 63021 (Grover, MO) in a FEMA flood zone and what is the flood disaster history?
St. Louis County has recorded 3 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 63021 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 63021 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 63021 indicates a MODERATE shrink-swell risk signal. Within ZIP 63021, federal registries track 1 SDWIS drinking water facilities, 96 Clean Water NPDES permits, and 38 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.