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6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 21794

ZIP 21794 (West Friendship, MD) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 21794 →

ZIP code 21794 in West Friendship, Maryland (Howard County) has 18 EPA-tracked facilities, including 1 High-Risk sites (5.6%), 2 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 21794 are screened across 1 historical Howard County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (13), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites in 21794
18
High-Risk (5.6% vs 1.8% County)
1
Active Violators (11.1%)
2
Drinking & Clean Water
13
Federal Penalties
$0

ZIP 21794 (West Friendship, 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
Howard 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
10 SDWIS Systems • 3 NPDES Permits
🔒 0 Impaired Water (303d) & 2 Violation Dockets in 21794 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 21794 (West Friendship, MD) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)
1. ZIP 21794 Regulatory & Water Mix
RCRA Hazardous Waste Generators 4 (22.2%)
Clean Water (NPDES) & Drinking Water (SDWIS) 13 (72.2%)
Active EPA Non-Compliance Dockets 2 (11.1%)
High-Risk Enforcement Facilities 1 (5.6%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (72.4/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. ZIP 21794 vs. County & State Benchmark
ZIP 21794 High-Risk Rate 5.6%
Howard County Average 1.8%
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 21794 →

ZIP 21794 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 21794 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 21794 (West Friendship, 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 21794 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 • FRIENDSHIP, MD (ZIP 21794 Sector) HIGH (64/100) Significant Violation (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • WEST FRIENDSHIP, MD (ZIP 21794 Sector) HIGH (64/100) Significant Violation (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • WEST FRIENDSHIP, MD (ZIP 21794 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
SHA BRIDGE 1310500 FREE PREVIEW (LOW RISK) I-70 EB OVER MD 32, WEST FRIENDSHIP, MD 21794 LOW (16/100) No Violation Identified (0 qtrs NC) $0
MD STATE HWY ADMIN BRIDGE 13031 FREE PREVIEW (LOW RISK) MD 32 AT I-70 OVERPASS WESTBOUND SHOULDER, WEST FRIENDSHIP, MD 21794 LOW (16/100) No Violation Identified (0 qtrs NC) $0
KAREN WHITNEY FREE PREVIEW (LOW RISK) 3125 WEST IVORY ROAD, WEST FRIENDSHIP, MD 21794 LOW (12/100) No Violation Identified (0 qtrs NC) $0
HOWARD COUNTY FAIR EXHIBIT HALL 1 FREE PREVIEW (LOW RISK) , WEST FRIENDSHIP, MD 21794 LOW (10/100) Inactive (0 qtrs NC) $0
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • , MD (ZIP 21794 Sector) LOW (10/100) Inactive (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • WEST FRIENDSHIP, MD (ZIP 21794 Sector) LOW (10/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • WEST FRIENDSHIP, MD (ZIP 21794 Sector) LOW (9/100) Inactive (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • , MD (ZIP 21794 Sector) LOW (9/100) Inactive (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 + 7 Additional Regulated & Enforcement Records in ZIP 21794 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 21794 (West Friendship, MD) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 02, 2026)

How many EPA-tracked environmental sites are in ZIP code 21794 (West Friendship, MD)?

ZIP code 21794 (West Friendship, MD) contains 18 EPA-tracked facilities, of which 1 (5.6%) are classified in the High-Risk tier, 2 (11.1%) have active compliance violations, and 4 (22.2%) handle RCRA hazardous waste.

How does ZIP 21794 compare to Howard County and Maryland averages?

In ZIP 21794, 5.6% of regulated sites are rated High Risk, compared to 1.8% across Howard County and 1.8% statewide in Maryland.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 21794?

Geologic screening places ZIP 21794 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 21794 (West Friendship, MD) in a FEMA flood zone and what is the flood disaster history?

Howard County has recorded 1 historical FEMA federal disaster declarations (0 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 21794 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 21794 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 21794 indicates a MODERATE shrink-swell risk signal. Within ZIP 21794, federal registries track 10 SDWIS drinking water facilities, 3 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

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