Saint Marys County, Maryland — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Saint Marys County, MD?
In Saint Marys County, Maryland, public U.S. EPA records track 115 regulated facilities (#28 of 50 in Maryland), including 2 (1.7%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 3 Safe Drinking Water (SDWIS) facilities, 31 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Saint Marys County, MD 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Saint Marys County, MD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Saint Marys County
ZIP Codes in Saint Marys County
Top EPA Regulated Facilities in Saint Marys County, 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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • PINEY POINT, MD (ZIP 20674 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • RIDGE, MD (ZIP 20680 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • HOLLYWOOD, MD (ZIP 20636 Sector) | MODERATE (42/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAINT INIGOES, MD (ZIP 20684 Sector) | MODERATE (41/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SCOTLAND, MD (ZIP 20687 Sector) | MODERATE (38/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • AVENUE, MD (ZIP 20609 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 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 #8 | 🔒 Exact Street & Parcel Redacted • MECHANICSVILLE, MD (ZIP 20659 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| SAILING SPECIALTIES INC FREE PREVIEW (LOW RISK) | 43985 COMMERCE AVE, HOLLYWOOD, MD 20636 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| 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 (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| USNAS PATUXENT RIVER - WEBSTE FREE PREVIEW (LOW RISK) | VILLA RD; BLDG 8175, SAINT INIGOES, MD 20684 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Saint Marys County, Maryland Environmental Due Diligence
How many EPA-regulated environmental sites are in Saint Marys County, Maryland?
Public U.S. EPA records track 115 regulated facilities in Saint Marys County, Maryland (ranking #28 of 50 jurisdictions in MD). Of those, 2 (1.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 8 (7.0%) have active non-compliance quarters.
Which ZIP codes and cities in Saint Marys County have the highest regulated facility density?
Within Saint Marys County, the highest concentrations of EPA-tracked facilities are located in ZIP 20622 (Charlotte Hall, 48 sites), ZIP 20624 (Clements, 10 sites), ZIP 20684 (Saint Inigoes, 4 sites), spanning municipal corridors including Charlotte Hall (42 sites), Clements (9 sites), Loveville (6 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Saint Marys County?
Across Saint Marys County, 57 facilities (49.6% 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 Saint Marys County, MD?
Geologic indoor air screening places Saint Marys 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 Saint Marys County, MD?
Federal records track 3 Safe Drinking Water (SDWIS) facilities, 31 Clean Water Act NPDES permits, and 20 impaired water dischargers in Saint Marys County, alongside 2 historical FEMA federal disaster declarations (1 flood/storm events).
Does Saint Marys County, MD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Saint Marys County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.