Howard County, Maryland — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Howard County, Maryland, public U.S. EPA records track 1,467 regulated facilities (#7 of 50 in Maryland), including 26 (1.8%) High-Risk sites and $6,556,563 in federal penalties. Countywide due diligence also covers 97 Safe Drinking Water (SDWIS) facilities, 347 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Howard County, MD 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Howard County, MD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Howard County
ZIP Codes in Howard County
Top EPA Regulated Facilities in Howard County, 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 • 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 • JESSUP, MD (ZIP 20794 Sector) | HIGH (77/100) | Significant Violation (8 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SAVAGE, MD (ZIP 20763 Sector) | HIGH (70/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • JESSUP, MD (ZIP 20794 Sector) | HIGH (67/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CLARKSVILLE, MD (ZIP 21029 Sector) | HIGH (66/100) | Violation Identified (6 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WOODBINE, MD (ZIP 21723 Sector) | HIGH (64/100) | Violation Identified (9 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ELLICOTT CITY, MD (ZIP 21029 Sector) | HIGH (64/100) | Violation Identified (3 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • FULTON, MD (ZIP 20759 Sector) | HIGH (64/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| FORMER APPLIANCE PARK EAST FACILITY FREE PREVIEW (LOW RISK) | 9001 ROBERT FULTON DR, COLUMBIA, MD 21046 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| THE SOUTHLAND CORP FREE PREVIEW (LOW RISK) | 9115 A WHISKEY BOTTOM RD, LAUREL, MD 20723 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| KMART 3332 FREE PREVIEW (LOW RISK) | 9200 BALTIMORE NATL PIKE, ELLICOTT CITY, MD 21042 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| JHU APL - MP8 FREE PREVIEW (LOW RISK) | 7600 MONTPELIER ROAD, LAUREL, MD 20723 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Howard County, Maryland Environmental Due Diligence
How many EPA-regulated environmental sites are in Howard County, Maryland?
Public U.S. EPA records track 1,467 regulated facilities in Howard County, Maryland (ranking #7 of 50 jurisdictions in MD). Of those, 26 (1.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 42 (2.9%) have active non-compliance quarters.
Which ZIP codes and cities in Howard County have the highest regulated facility density?
Within Howard County, the highest concentrations of EPA-tracked facilities are located in ZIP 21201 (Baltimore City, 231 sites), ZIP 20794 (Jessup, 227 sites), ZIP 21046 (Columbia, 186 sites), spanning municipal corridors including Columbia (472 sites), Jessup (218 sites), Ellicott City (179 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Howard County?
Across Howard County, 903 facilities (61.6% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Howard County, MD?
Geologic indoor air screening places Howard County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Howard County, MD?
Federal records track 97 Safe Drinking Water (SDWIS) facilities, 347 Clean Water Act NPDES permits, and 254 impaired water dischargers in Howard County, alongside 1 historical FEMA federal disaster declarations (0 flood/storm events).
Does Howard County, MD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Howard County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.