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 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 21550

ZIP 21550 (Mt Lake Park, MD) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 21550 →

ZIP code 21550 in Mt Lake Park, Maryland (Garrett County) has 212 EPA-tracked facilities, including 2 High-Risk sites (0.9%), 7 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 21550 are screened across 1 historical Garrett County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (108), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites in 21550
212
High-Risk (0.9% vs 2.6% County)
2
Active Violators (3.3%)
7
Drinking & Clean Water
108
Federal Penalties
$0

ZIP 21550 (Mt Lake Park, 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
Garrett 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: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
41 SDWIS Systems • 67 NPDES Permits
🔒 55 Impaired Water (303d) & 17 Violation Dockets in 21550 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 21550 (Mt Lake Park, MD) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. ZIP 21550 Regulatory & Water Mix
RCRA Hazardous Waste Generators 55 (25.9%)
Clean Water (NPDES) & Drinking Water (SDWIS) 108 (50.9%)
Active EPA Non-Compliance Dockets 7 (3.3%)
High-Risk Enforcement Facilities 2 (0.9%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (16.0/100)
🌊 Flood Exposure 3/10 • Very Low
🔥 Wildfire Hazard 3/10 • Very Low
☀️ Extreme Heat 1/10 • Very Low
🌪️ Severe Wind / Storm 6/10 • Relatively Low
🫨 USGS Earthquake 3/10 • Very Low
3. ZIP 21550 vs. County & State Benchmark
ZIP 21550 High-Risk Rate 0.9%
Garrett County Average 2.6%
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 21550 →

ZIP 21550 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 2 High-Risk and 7 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 2 High-Risk & 7 Violation Pin Coordinates Redacted in ZIP 21550 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 21550 (Mt Lake Park, 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 21550 Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • OAKLAND, MD (ZIP 21550 Sector) HIGH (64/100) Significant Violation (4 qtrs NC) 🔒 4 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • OAKLAND, MD (ZIP 21550 Sector) HIGH (64/100) Significant Violation (4 qtrs NC) 🔒 4 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • OAKLAND, MD (ZIP 21550 Sector) MODERATE (47/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • OAKLAND, MD (ZIP 21550 Sector) MODERATE (46/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • OAKLAND, MD (ZIP 21550 Sector) MODERATE (44/100) Violation Identified (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • OAKLAND, MD (ZIP 21550 Sector) MODERATE (37/100) Violation Identified (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • OAKLAND, MD (ZIP 21550 Sector) MODERATE (35/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • OAKLAND, MD (ZIP 21550 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
AUTOMOTIVE MACHINE FREE PREVIEW (LOW RISK) 310 BALTIMORE AVE, OAKLAND, MD 21550 LOW (26/100) No Violation Identified (0 qtrs NC) $0
A-34 SURFACE MINE FREE PREVIEW (LOW RISK) 34 ENTERPRISE DR., OAKLAND, MD 21550 LOW (19/100) Unknown (0 qtrs NC) $0
STEYER DEEP MINE, DM-90-109 FREE PREVIEW (LOW RISK) 116 WHITE CHURCH STEYER ROAD, OAKLAND, MD 21550 LOW (19/100) No Violation Identified (0 qtrs NC) $0
RANDY'S BODY SHOP FREE PREVIEW (LOW RISK) 2299 HUTTON ROAD, OAKLAND, MD 21550 LOW (19/100) No Violation Identified (0 qtrs NC) $0
🔒 + 200 Additional Regulated & Enforcement Records in ZIP 21550 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 21550 (Mt Lake Park, 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 21550 (Mt Lake Park, MD)?

ZIP code 21550 (Mt Lake Park, MD) contains 212 EPA-tracked facilities, of which 2 (0.9%) are classified in the High-Risk tier, 7 (3.3%) have active compliance violations, and 55 (25.9%) handle RCRA hazardous waste.

How does ZIP 21550 compare to Garrett County and Maryland averages?

In ZIP 21550, 0.9% of regulated sites are rated High Risk, compared to 2.6% across Garrett County and 1.8% statewide in Maryland.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 21550?

Geologic screening places ZIP 21550 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 21550 (Mt Lake Park, MD) in a FEMA flood zone and what is the flood disaster history?

Garrett County has recorded 1 historical FEMA federal disaster declarations (0 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 21550 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 21550 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 21550 indicates a LOW shrink-swell risk signal. Within ZIP 21550, federal registries track 41 SDWIS drinking water facilities, 67 Clean Water NPDES permits, and 55 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

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