ZIP 21075 (Elkridge, MD) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 21075 in Elkridge, Maryland (Howard County) has 170 EPA-tracked facilities, including 2 High-Risk sites (1.2%), 3 active violators, and $548,440 in federal penalties. Beyond industrial pollution, properties in ZIP 21075 are screened across 1 historical Howard County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (43), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 21075 (Elkridge, MD) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 21075 (Elkridge, MD) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 21075 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 2 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 21075 (Elkridge, MD)
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| 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 • ELKRIDGE, MD (ZIP 21075 Sector) | HIGH (88/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ELKRIDGE, MD (ZIP 21075 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ELKRIDGE, MD (ZIP 21075 Sector) | MODERATE (35/100) | Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ELKRIDGE, MD (ZIP 21075 Sector) | MODERATE (35/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ELKRIDGE, MD (ZIP 21075 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ELKRIDGE, MD (ZIP 21075 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ELKRIDGE, MD (ZIP 21075 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ELKRIDGE, MD (ZIP 21075 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| BELMONT MANOR & HISTORIC PARK FREE PREVIEW (LOW RISK) | 6555 BELMONT WOODS ROAD, ELKRIDGE, MD 21075 | LOW (26/100) | No Violation Identified (0 qtrs NC) | $0 |
| HOWARD COUNTY DEPT OF PUBLIC WORKS FREE PREVIEW (LOW RISK) | 7751 MAYFIELD AVENUE, ELKRIDGE, MD 21075 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| CENTRAL TRANSPORT FREE PREVIEW (LOW RISK) | 7471 WASHINGTON BLVD, ELKRIDGE, MD 21075 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| EMERGENT BIOSOLUTIONS CENTRAL WAREHOUSE FREE PREVIEW (LOW RISK) | 6680 BUSINESS PARKWAY, ELKRIDGE, MD 21075 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 21075 (Elkridge, 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 21075 (Elkridge, MD)?
ZIP code 21075 (Elkridge, MD) contains 170 EPA-tracked facilities, of which 2 (1.2%) are classified in the High-Risk tier, 3 (1.8%) have active compliance violations, and 110 (64.7%) handle RCRA hazardous waste.
How does ZIP 21075 compare to Howard County and Maryland averages?
In ZIP 21075, 1.2% 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 21075?
Geologic screening places ZIP 21075 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 21075 (Elkridge, 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 21075 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 21075 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 21075 indicates a MODERATE shrink-swell risk signal. Within ZIP 21075, federal registries track 1 SDWIS drinking water facilities, 42 Clean Water NPDES permits, and 36 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.