PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
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6-IN-1 COUNTY ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • MD

Baltimore County, Maryland — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

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In Baltimore County, Maryland, public U.S. EPA records track 5,749 regulated facilities (#1 of 50 in Maryland), including 72 (1.3%) High-Risk sites and $12,587,807 in federal penalties. Countywide due diligence also covers 296 Safe Drinking Water (SDWIS) facilities, 962 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#1/50)
5,749
High-Risk (1.3% vs 1.8% State)
72
Active Violators (1.7%)
98
Drinking & Clean Water
1,258
Federal Penalties
$12,587,807

Baltimore 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
1 County FEMA Declarations (0 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: MODERATE • Pipe Corrosion: Low
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
296 SDWIS Systems • 962 NPDES Permits
🔒 837 Impaired Water (303d) & 213 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Elevated Carbonate / Karst Sinkhole Belt — Monitor Foundation Settlement & Surface Depressions
🔒 0.25-Mi Vapor Intrusion Buffer Locked

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

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 2,872 (50.0%)
Clean Water (NPDES) & Drinking Water (SDWIS) 1,258 (21.9%)
Active EPA Non-Compliance Dockets 98 (1.7%)
High-Risk Enforcement Facilities 72 (1.3%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (95.0/100)
🌊 Flood Exposure 9/10 • Relatively High
🔥 Wildfire Hazard 2/10 • Very Low
☀️ Extreme Heat 10/10 • Relatively High
🌪️ Severe Wind / Storm 10/10 • Relatively High
🫨 USGS Earthquake 9/10 • Relatively Moderate
3. County vs. State & National Benchmark
Baltimore County High-Risk % 1.3%
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.
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ZIP Codes in Baltimore County

21237 — Baltimore (288) 21207 — Baltimore (251) 21030 — Cockeysville (249) 21228 — Catonsville (229) 21117 — Owings Mills (229) 21220 — Middle River (225) 21093 — Timonium (222) 21221 — Baltimore (220) 21204 — Towson (210) 21223 — Baltimore (192) 21234 — Baltimore (180) 21208 — Pikesville (178) 21136 — Owings Mills (148) 21217 — Baltimore (146) 21078 — Havre De Grace (140) 21236 — Baltimore (130) 21205 — Baltimore (118) 21219 — Sparrows Point (118) 21286 — Towson (104) 21133 — Randallstown (93) 21244 — Baltimore (Baltimore Co.) (92) 21210 — Baltimore (71) 21214 — Baltimore (67) 21031 — Hunt Valley (60) 21120 — Parkton (60) 21240 — Baltimore (53) 21131 — Phoenix (51) 21152 — Sparks (50) 21087 — Gaithersburg (44) 21128 — Perry Hall (44) 21111 — Monkton (38) 21057 — Glen Arm (33) 21155 — Upperco (24) 21053 — Freeland (23) 21163 — Woodstock (16) 21153 — Stevenson (13) 21013 — Baldwin (12) 21071 — Glyndon (12) 21082 — Hydes (11) 21203 — Baltimore (9) 21022 — Brooklandville (9) 21051 — Fork (7) 21027 — Chase (6) 21287 — Baltimore (5) 21023 — Butler (5) 21105 — Maryland Line (4) 21233 — Baltimore (3) 21156 — Upper Falls (3) 21250 — Baltimore (2) 21021 — Bradshaw (2) 21112 — Maryland (2) 21238 — Baltimore (1) 21278 — Baltimore (1) 21289 — Baltimore (1) 21255 — Baltimore (1) 21052 — Fort Howard (1) 21092 — Long Green (1) 20193 — Lutherville (1) 21135 — Randallstown (1) 21285 — Towson (1) 21252 — Towson (1) 21116 — White Hall (1)

Top EPA Regulated Facilities in Baltimore 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).

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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 • DUNDALK, MD (ZIP 21222 Sector) HIGH (82/100) Significant Violation (3 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • BALTIMORE, MD (ZIP 21230 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 • HALETHORPE, MD (ZIP 21227 Sector) HIGH (69/100) Significant Violation (2 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • BALTIMORE, MD (ZIP 21219 Sector) HIGH (68/100) Resolved / Historical Non-Compliance (6 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • BALTIMORE, MD (ZIP 21230 Sector) HIGH (68/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • BALTIMORE, MD (ZIP 21220 Sector) HIGH (68/100) Significant Violation (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • BALTIMORE, MD (ZIP 21229 Sector) HIGH (67/100) Significant Violation (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • REISTERSTOWN, MD (ZIP 21136 Sector) HIGH (67/100) Significant Violation (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
SHASTA BEVERAGES, INC. FREE PREVIEW (LOW RISK) 6750 MORAVIA PARK DRIVE, BALTIMORE, MD 21237 LOW (17/100) No Violation Identified (0 qtrs NC) $0
CVS PHARMACY #16612 FREE PREVIEW (LOW RISK) 9901 YORK RD, SUITE B, COCKEYSVILLE, MD 21030 LOW (16/100) No Violation Identified (0 qtrs NC) $0
BLACK & DECKER US INC FREE PREVIEW (LOW RISK) 7850 ROSSVILLE BLVD STE 206, BALTIMORE, MD 21236 LOW (16/100) No Violation Identified (0 qtrs NC) $0
KINGS COURT FAMILY DENTISTRY FREE PREVIEW (LOW RISK) 9516 PHILADELPHIA RD, BALTIMORE, MD 21237 LOW (15/100) No Violation Identified (0 qtrs NC) $0
🔒 + 5,737 Additional Regulated & Enforcement Records in Baltimore County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Baltimore County, Maryland Environmental Due Diligence

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

Public U.S. EPA records track 5,749 regulated facilities in Baltimore County, Maryland (ranking #1 of 50 jurisdictions in MD). Of those, 72 (1.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 98 (1.7%) have active non-compliance quarters.

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

Within Baltimore County, the highest concentrations of EPA-tracked facilities are located in ZIP 21237 (Baltimore, 288 sites), ZIP 21207 (Baltimore, 251 sites), ZIP 21030 (Cockeysville, 249 sites), spanning municipal corridors including Baltimore (5,327 sites), Towson (268 sites), Owings Mills (209 sites).

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

Across Baltimore County, 2,872 facilities (50.0% 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 Baltimore County, MD?

Geologic indoor air screening places Baltimore County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.

How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Baltimore County, MD?

Federal records track 296 Safe Drinking Water (SDWIS) facilities, 962 Clean Water Act NPDES permits, and 837 impaired water dischargers in Baltimore County, alongside 1 historical FEMA federal disaster declarations (0 flood/storm events).

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

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