87
Recorded events
1
Direct deaths
0
Direct injuries
$121K
Property damage
Flood in Anne Arundel County, Maryland: 87 recorded events between 2006 and 2025. The strongest on record measured 0. That places the county #81 nationally and #5 statewide for this hazard.
Decade by decade
Flood in Anne Arundel County, Maryland: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flood in Anne Arundel County is the 2010s, when 63 of the county's 87 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 Anne Arundel County archive, flood makes up 9.2% of all recorded severe weather across 10 hazard types. Nationally the county sits at #81 for this hazard and #5 within Maryland, putting it in the 97.3 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for flood in Anne Arundel County with 24 recorded events, while Jan 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.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Sep 8, 2011 | EARLEIGH HGTS | 0 | 1 | 0 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 15, 2025 | NAVAL ACADEMY | 0 | $0 |
| Jul 15, 2025 | NAVAL ACADEMY | 0 | $0 |
| Jun 18, 2025 | NAVAL ACADEMY | 0 | $0 |
| May 31, 2025 | RIVA | 0 | $0 |
| May 31, 2025 | SOUTH RIVER | 0 | $0 |
| Aug 10, 2022 | CONAWAYS | 0 | $0 |
| Jul 16, 2022 | LONDONTOWNE | 0 | $0 |
| Jul 16, 2022 | DAVIDSONVILLE | 0 | $0 |
| Jul 9, 2022 | SOUTH RIVER | 0 | $0 |
| Jul 7, 2022 | MARGATE | 0 | $0 |
Other hazards here
More from Anne Arundel County
- Thunderstorm Wind 586
- Hail 97
- Flash Flood 85
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Heavy rain across Anne Arundel County closed numerous roadways from the early afternoon until after midnight on November 17th. Some of these roads include Governor Bridge Road and Saint George Barber, Routes 10 and 648 (Baltimore-Annapolis Blvd.) and Burns Crossing Road at Severn Run in the town of Severn. Maryland Route 176 (Dorsey Road) and 648 (Baltimore-Annapolis Blvd) continued to be submerged in about two feet of water until after midnight.
The stream gage on the Patapsco River at Elkridge exceeded the 15 foot flood stage during the indicated period. In addition to minor inundation at Patapsco Valley State Park, several roads were closed in the Pumphrey and Linthicum areas due to the flooding or backwater caused by it. The peak stage of 18.01 feet occurred at 9:00pm EST on June 3rd.
The stream gage on the Little Patuxent River at Savage exceeded the 10 foot flood stage during the indicated period. The peak of 15.06 feet was observed at 10:00pm EST on June 3rd. Downstream of Savage, flooding occurred on Brock Bridge Road and Laurel-Fort Meade Road.
Quick answers
Frequently asked
How many flood events are on record in Anne Arundel County, Maryland?
87 flood events are recorded in Anne Arundel County between 2006 and 2025, causing 1 direct deaths.
What is the strongest flood recorded in Anne Arundel County?
The strongest flood on record in Anne Arundel County measured 0.
Where does the flood data for Anne Arundel 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 Anne Arundel County, Maryland.” Severe Weather History. severeweatherhistory.com/county/maryland/anne-arundel-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.