Columbia, Maryland — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
Public U.S. EPA records track 472 regulated facilities in Columbia, Maryland (Howard County), including 1 High-Risk sites (0.2%) and 5 active violators. In addition to industrial waste, Columbia properties are screened for Tap Water & Watershed Permits (91 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 1 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Columbia, MD 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Columbia, MD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP Codes in Columbia, MD
Highest-Scored EPA Regulated Facilities in Columbia, 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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • COLUMBIA, MD (ZIP 21046 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • COLUMBIA, MD (ZIP 21045 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • COLUMBIA, MD (ZIP 21045 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • COLUMBIA, MD (ZIP 21045 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • COLUMBIA, MD (ZIP 21046 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • COLUMBIA, MD (ZIP 21045 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • COLUMBIA, MD (ZIP 21045 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • COLUMBIA, MD (ZIP 21044 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| EVI INC FREE PREVIEW (LOW RISK) | 7138 COLUMBIA GATEWAY DR, COLUMBIA, MD 21046 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| SMITH AND NEPHEW, INC FREE PREVIEW (LOW RISK) | 7015 ALBERT EINSTEIN DR, COLUMBIA, MD 21046 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| OAKLAND MILLS MIDDLE SCHOOL FREE PREVIEW (LOW RISK) | 9540 KILIMANJARO ROAD, COLUMBIA, MD 21045 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| WILDE LAKE HIGH SCHOOL FREE PREVIEW (LOW RISK) | 5460 TRUMPETER ROAD, COLUMBIA, MD 21044 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Columbia, Maryland Environmental Risk & Radon
How many EPA-regulated facilities are in Columbia, MD?
U.S. EPA records track 472 regulated facilities in Columbia, Maryland, including 1 high-risk sites (0.2%), 5 active violators (1.1%), and 346 RCRA hazardous waste handlers (73.3%).
Which ZIP codes in Columbia, MD have the most EPA-tracked sites?
Within Columbia, regulated facilities are primarily concentrated across ZIP 21046 (186 sites), ZIP 21045 (185 sites), ZIP 21044 (112 sites), ZIP 21406 (1 sites).
How can I check a specific house or commercial property in Columbia, MD?
Enter the exact street address in Columbia into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Columbia, MD and how many EPA water permits exist?
In Columbia, MD, federal registries track 5 Safe Drinking Water (SDWIS) facilities, 86 Clean Water Act NPDES permits, and 64 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Columbia, MD?
USDA regional soil screening for Columbia indicates a MODERATE shrink-swell foundation signal, and Howard County has recorded 1 federal FEMA disaster declarations (0 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.