3.95M+ VERIFIED PUBLIC RECORDS • 13-SECTION PROPERTY, HAZARD, FLOOD & MARKET INTELLIGENCE 3.95M+ Indexed Records • All 50 States + DC • Data as of November 03, 2026
Home › States › Maryland › Calvert County
13-SECTION COUNTY PROPERTY, MARKET, FLOOD & HAZARD HUB • MD

Calvert County, Maryland — Property Hazard, Flood Zone, Soil, Water & EPA Guide

Run 13-Section Scan in Calvert County →

What Are the Flood, Soil Foundation & EPA Risks in Calvert County, MD?

In Calvert County, Maryland, public U.S. EPA records track 527 regulated facilities (#18 of 50 in Maryland), including 19 (3.6%) High-Risk sites and $100,727 in federal penalties. Countywide due diligence also covers 248 Safe Drinking Water (SDWIS) facilities, 112 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites (#18/50)
527
High-Risk (3.6% vs 1.8% State)
19
Active Violators (5.7%)
30
Drinking & Clean Water
360
Federal Penalties
$100,727

Calvert 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
🌊 Flood Zone & FEMA Disaster History
2 County FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
248 SDWIS Systems • 112 NPDES Permits
🔒 92 Impaired Water (303d) & 71 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Elevated Carbonate / Karst Sinkhole Belt — Monitor Foundation Settlement & Surface Depressions
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Calvert County, MD Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 112 (21.3%)
Clean Water (NPDES) & Drinking Water (SDWIS) 360 (68.3%)
Active EPA Non-Compliance Dockets 30 (5.7%)
High-Risk Enforcement Facilities 19 (3.6%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (28.9/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 5/10 • Moderate Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Calvert County High-Risk % 3.6%
Maryland (MD) Statewide Avg 1.8%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in Calvert County →

Top EPA Regulated Facilities in Calvert 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).

Unlock Full County Property Scan →
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 • DUNKIRK, MD (ZIP 20754 Sector) HIGH (79/100) Significant Violation (10 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • LUSBY, MD (ZIP 20657 Sector) HIGH (71/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • CHESAPEAKE BEACH, MD (ZIP 20732 Sector) HIGH (67/100) Significant Violation (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • DUNKIRK, MD (ZIP 20754 Sector) HIGH (64/100) Violation Identified (5 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • CHESAPEAKE BEACH, MD (ZIP 20732 Sector) HIGH (64/100) Violation Identified (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • OWINGS, MD (ZIP 20736 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • OWINGS, MD (ZIP 20736 Sector) HIGH (64/100) Significant Violation (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • LUSBY, MD (ZIP 20657 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
ZAHNISER'S YACHTING CENTER FREE PREVIEW (LOW RISK) 245 C STREET, SOLOMONS, MD 20688 LOW (23/100) Unknown (0 qtrs NC) $0
SHA BRIDGE 0401500 FREE PREVIEW (LOW RISK) MD RT. 263 OVER HUNTING CREEK, HUNTINGTOWN, MD 20639 LOW (16/100) No Violation Identified (0 qtrs NC) $0
MARYLAND DEPARTMENT OF TRANSPORTATION STATE HIGHWAY ADMIN - SUNDERLAND SATELLITE FREE PREVIEW (LOW RISK) 6250 SOLOMONS ISLAND RD, HUNTINGTOWN, MD 20639 LOW (16/100) No Violation Identified (0 qtrs NC) $0
MELISSA ABELL DBA AUTO BODY CONCEPTS FREE PREVIEW (LOW RISK) 450 DOGWOOD DR, LUSBY, MD 20657 LOW (15/100) No Violation Identified (0 qtrs NC) $0
🔒 + 515 Additional Regulated & Enforcement Records in Calvert County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Calvert County, Maryland Environmental Due Diligence

How many EPA-regulated environmental sites are in Calvert County, Maryland?

Public U.S. EPA records track 527 regulated facilities in Calvert County, Maryland (ranking #18 of 50 jurisdictions in MD). Of those, 19 (3.6%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 30 (5.7%) have active non-compliance quarters.

Which ZIP codes and cities in Calvert County have the highest regulated facility density?

Within Calvert County, the highest concentrations of EPA-tracked facilities are located in ZIP 20678 (Prince Frederick, 183 sites), ZIP 20639 (Huntingtown, 61 sites), ZIP 20657 (Lusby, 59 sites), spanning municipal corridors including Prince Frederick (134 sites), Lusby (41 sites), Dunkirk (36 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Calvert County?

Across Calvert County, 112 facilities (21.3% 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 Calvert County, MD?

Geologic indoor air screening places Calvert 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 Calvert County, MD?

Federal records track 248 Safe Drinking Water (SDWIS) facilities, 112 Clean Water Act NPDES permits, and 92 impaired water dischargers in Calvert County, alongside 2 historical FEMA federal disaster declarations (1 flood/storm events).

Does Calvert County, MD have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Calvert County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.

13-Section Property & Market Dossier
From $14.95 • 7-Day Guarantee
Sample Screen Address