Saint Mary'S County, Maryland — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Saint Mary'S County, MD?
In Saint Mary'S County, Maryland, public U.S. EPA records track 1 regulated facilities (#71 of 71 in Maryland), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 1 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 Mary'S 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 Mary'S County, MD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Saint Mary'S County
ZIP Codes in Saint Mary'S County
Top EPA Regulated Facilities in Saint Mary'S 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • PINEY POINT, MD (ZIP 20674 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Saint Mary'S County, Maryland Environmental Due Diligence
How many EPA-regulated environmental sites are in Saint Mary'S County County, Maryland?
Public U.S. EPA records track 1 regulated facilities in Saint Mary'S County County, Maryland (ranking #71 of 71 jurisdictions in MD). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Saint Mary'S County County have the highest regulated facility density?
Within Saint Mary'S County County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Saint Mary'S County.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Saint Mary'S County County?
Across Saint Mary'S County County, 1 facilities (100.0% 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 Mary'S County County, MD?
Geologic indoor air screening places Saint Mary'S County 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 Mary'S County County, MD?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 1 impaired water dischargers in Saint Mary'S County County, alongside 2 historical FEMA federal disaster declarations (1 flood/storm events).
Does Saint Mary'S County, MD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Saint Mary'S 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.