ZIP 20622 (Charlotte Hall, MD) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 20622 in Charlotte Hall, Maryland (Saint Marys County) has 48 EPA-tracked facilities, including 3 High-Risk sites (6.2%), 3 active violators, and $30,000 in federal penalties. Beyond industrial pollution, properties in ZIP 20622 are screened across 2 historical Saint Marys County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (31), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 20622 (Charlotte Hall, MD) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 20622 (Charlotte Hall, MD) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 20622 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 3 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 20622 (Charlotte Hall, MD)
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 • CHARLOTTE HALL, MD (ZIP 20622 Sector) | HIGH (68/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CHARLOTTE HALL, MD (ZIP 20622 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CHARLOTTE HALL, MD (ZIP 20622 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CHARLOTTE HALL, MD (ZIP 20622 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CHARLOTTE HALL, MD (ZIP 20622 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CHARLOTTE HALL, MD (ZIP 20622 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CHARLOTTE HALL, MD (ZIP 20622 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CHARLOTTE HALL, MD (ZIP 20622 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SCHOENBAUER FURNITURE SERVICE FREE PREVIEW (LOW RISK) | 30507 POTOMAC WAY, CHARLOTTE HALL, MD 20622 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| SEYMOUR, INC FREE PREVIEW (LOW RISK) | 30085 CHARLOTTE HALL RD, CHARLOTTE HALL, MD 20622 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| FRITO LAY INC FREE PREVIEW (LOW RISK) | OLD RT 5, CHARLOTTE HALL, MD 20622 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TWO GUYS AUTO BODY LTD FREE PREVIEW (LOW RISK) | RT 2 BOX 62-B, CHARLOTTE HALL, MD 20622 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 20622 (Charlotte Hall, MD) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 20622 (Charlotte Hall, MD)?
ZIP code 20622 (Charlotte Hall, MD) contains 48 EPA-tracked facilities, of which 3 (6.2%) are classified in the High-Risk tier, 3 (6.2%) have active compliance violations, and 12 (25.0%) handle RCRA hazardous waste.
How does ZIP 20622 compare to Saint Marys County and Maryland averages?
In ZIP 20622, 6.2% of regulated sites are rated High Risk, compared to 1.7% across Saint Marys County and 1.8% statewide in Maryland.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 20622?
Geologic screening places ZIP 20622 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 20622 (Charlotte Hall, MD) in a FEMA flood zone and what is the flood disaster history?
Saint Marys County has recorded 2 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 20622 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 20622 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 20622 indicates a MODERATE shrink-swell risk signal. Within ZIP 20622, federal registries track 14 SDWIS drinking water facilities, 17 Clean Water NPDES permits, and 7 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.