162
Recorded events
0
Direct deaths
0
Direct injuries
$35K
Property damage
Flood in Baltimore County, Maryland: 162 recorded events between 2006 and 2025. The strongest on record measured 0. That places the county #20 nationally and #3 statewide for this hazard.
Decade by decade
Flood in Baltimore County, Maryland: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flood in Baltimore County is the 2010s, when 90 of the county's 162 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Baltimore County archive, flood makes up 12.3% of all recorded severe weather across 9 hazard types. Nationally the county sits at #20 for this hazard and #3 within Maryland, putting it in the 99.4 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for flood in Baltimore County with 40 recorded events, while Oct is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 15, 2025 | ST DENIS | 0 | $0 |
| Jul 14, 2025 | CATONSVILLE MANOR | 0 | $0 |
| Jul 13, 2025 | ST DENIS | 0 | $0 |
| Jul 10, 2025 | HOFFMANVILLE | 0 | $0 |
| Jun 30, 2025 | FORK | 0 | $0 |
| May 31, 2025 | STONELEIGH | 0 | $0 |
| Jul 17, 2024 | LUTZ HILL | 0 | $0 |
| Jul 17, 2024 | LUTZ HILL | 0 | $0 |
| Jan 10, 2024 | WHITE MARSH | 0 | $0 |
| Jan 10, 2024 | GLENCOE | 0 | $0 |
Other hazards here
More from Baltimore County
- Thunderstorm Wind 638
- Flash Flood 314
- Hail 146
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The USGS stream gage on Gunpowder Falls near Glencoe exceeded the 7 foot flood stage throughout the indicated period. There were three distinct peaks during the long period above flood stage, the highest of which was 14.41 feet, which occurred at 7:30am EST on July 25th. Throughout the flood, portions of Upper Glencoe Road and Lower Glencoe Road were flooded. For most of the time, Sparks Road was also flooded. Water was in buildings off of Sparks Road for over 24 hours from the morning of the 24th until the afternoon of the 25th, ultimately reaching several feet inside those structures. The water receded during the evening of the 25th but rose again overnight, affecting those buildings a second time.
The USGS stream gage on Little Falls near Blue Mount exceeded the 8.5 foot flood stage during the indicated period. The peak level of 10.16 feet occurred at 4:00am EST. Water approached a driveway off Wiseburg Road and exceeded the banks in that area. Water also covered Big Falls Road in the area.
The USGS gage on Beaverdam Run near Cockeysville exceeded the 9 foot flood stage during the indicated period. The peak level of 11.17 feet occurred at 2:00am EST. Beaver Run Lane was flooded. York Road was also flooded with water approaching nearby businesses. Local media reported one vehicle drove around a road closed sign and got stuck in the floodwaters on York Road. The occupant was rescued.
Quick answers
Frequently asked
How many flood events are on record in Baltimore County, Maryland?
162 flood events are recorded in Baltimore County between 2006 and 2025, causing 0 direct deaths.
What is the strongest flood recorded in Baltimore County?
The strongest flood on record in Baltimore County measured 0.
Where does the flood data for Baltimore County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flood in Baltimore County, Maryland.” Severe Weather History. severeweatherhistory.com/county/maryland/baltimore-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.