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
Home › States › Maryland › Timonium › ZIP 21093
6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 21093

ZIP 21093 (Timonium, MD) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 21093 →

ZIP code 21093 in Timonium, Maryland (Baltimore County) has 222 EPA-tracked facilities, including 1 High-Risk sites (0.5%), 2 active violators, and $31,600 in federal penalties. Beyond industrial pollution, properties in ZIP 21093 are screened across 1 historical Baltimore County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (40), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites in 21093
222
High-Risk (0.5% vs 1.3% County)
1
Active Violators (0.9%)
2
Drinking & Clean Water
40
Federal Penalties
$31,600

ZIP 21093 (Timonium, 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
Baltimore County: 1 FEMA Declarations (0 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Unlock Parcel 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
11 SDWIS Systems • 29 NPDES Permits
🔒 24 Impaired Water (303d) & 8 Violation Dockets in 21093 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

📊 ZIP 21093 (Timonium, MD) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. ZIP 21093 Regulatory & Water Mix
RCRA Hazardous Waste Generators 125 (56.3%)
Clean Water (NPDES) & Drinking Water (SDWIS) 40 (18.0%)
Active EPA Non-Compliance Dockets 2 (0.9%)
High-Risk Enforcement Facilities 1 (0.5%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (95.0/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 7/10 • High Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. ZIP 21093 vs. County & State Benchmark
ZIP 21093 High-Risk Rate 0.5%
Baltimore County Average 1.3%
Maryland (MD) Statewide Avg 1.8%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Unlock Full 6-in-1 Property Report for 21093 →

ZIP 21093 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 1 High-Risk and 2 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 1 High-Risk & 2 Violation Pin Coordinates Redacted in ZIP 21093 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 21093 (Timonium, 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 ZIP 21093 Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked Regulated EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • LUTHERVILLE TIMONIUM, MD (ZIP 21093 Sector) MODERATE (31/100) No Violation Identified (0 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • LUTHERVILLE, MD (ZIP 21093 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • LUTHERVILLE, MD (ZIP 21093 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • , MD (ZIP 21093 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • , (ZIP 21093 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 • , MD (ZIP 21093 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • BALTIMORE, MD (ZIP 21093 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 • LUTHERVILLE, MD (ZIP 21093 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
MEMTEC AMERICA CORP. PLANT I FREE PREVIEW (LOW RISK) 2033 GREENSPRING DR, TIMONIUM, MD 21093 LOW (24/100) No Violation Identified (0 qtrs NC) $0
PALL CIORPORATION PLANT 2 FREE PREVIEW (LOW RISK) 2120 GREENSPRING DRIVE, LUTHERVILLE TIMONIUM, MD 21093 LOW (24/100) No Violation Identified (0 qtrs NC) $0
DULANEY HIGH SCHOOL FREE PREVIEW (LOW RISK) 255 PADONIA, TIMONIUM, MD 21093 LOW (20/100) No Violation Identified (0 qtrs NC) $0
LUTHERVILLE TRUCK & COLLISION CENTER FREE PREVIEW (LOW RISK) 10905 FALLS ROAD, LUTHERVILLE, MD 21093 LOW (20/100) No Violation Identified (0 qtrs NC) $0
🔒 + 210 Additional Regulated & Enforcement Records in ZIP 21093 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 21093 (Timonium, 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 21093 (Timonium, MD)?

ZIP code 21093 (Timonium, MD) contains 222 EPA-tracked facilities, of which 1 (0.5%) are classified in the High-Risk tier, 2 (0.9%) have active compliance violations, and 125 (56.3%) handle RCRA hazardous waste.

How does ZIP 21093 compare to Baltimore County and Maryland averages?

In ZIP 21093, 0.5% of regulated sites are rated High Risk, compared to 1.3% across Baltimore County and 1.8% statewide in Maryland.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 21093?

Geologic screening places ZIP 21093 in EPA Zone 1 — High Potential (> 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 21093 (Timonium, MD) in a FEMA flood zone and what is the flood disaster history?

Baltimore County has recorded 1 historical FEMA federal disaster declarations (0 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 21093 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 21093 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 21093 indicates a MODERATE shrink-swell risk signal. Within ZIP 21093, federal registries track 11 SDWIS drinking water facilities, 29 Clean Water NPDES permits, and 24 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

6-in-1 Property Hazard Check
From $14.95 • 7-Day Guarantee
Sample Screen Address