70
Recorded events
0
Direct deaths
1
Direct injuries
$600K
Property damage
Flood in New Castle County, Delaware: 70 recorded events between 2005 and 2024. The strongest on record measured 0. That places the county #142 nationally and #1 statewide for this hazard.
Decade by decade
Flood in New Castle County, Delaware: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flood in New Castle County is the 2010s, when 50 of the county's 70 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 New Castle County archive, flood makes up 8.0% of all recorded severe weather across 9 hazard types. Nationally the county sits at #142 for this hazard and #1 within Delaware, putting it in the 95.2 percentile of all U.S. counties.
Seasonality
Events by month
Dec is the peak month for flood in New Castle County with 10 recorded events, while May 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 |
|---|---|---|---|---|---|
| Dec 9, 2009 | COOCHS BRIDGE | 0 | 0 | 1 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jan 10, 2024 | COOCHS BRIDGE | 0 | $0 |
| Dec 28, 2023 | COOCHS BRIDGE | 0 | $0 |
| Dec 18, 2023 | NEW CASTLE | 0 | $0 |
| Feb 11, 2018 | FIELDSBORO | 0 | $0 |
| Aug 18, 2017 | MIDDLETOWN | 0 | $0 |
| Jul 24, 2017 | GRANOGUE | 0 | $0 |
| Jul 6, 2017 | TOWNSEND | 0 | $0 |
| Jul 6, 2017 | TOWNSEND | 0 | $0 |
| Jul 6, 2017 | TOWNSEND | 0 | $0 |
| Jul 6, 2017 | TOWNSEND | 0 | $0 |
Other hazards here
More from New Castle County
- Thunderstorm Wind 444
- Flash Flood 156
- Hail 73
- Lightning 49
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The Christina River at Coochs Bridge was above its 10.5 foot flood stage from 1052 a.m. EST through 432 p.m. EST on the 25th. It crested at 11.45 feet at 2 p.m. EST. Event precipitation totals included 2.08 inches in Wilmington, 1.80 inches in Newport, 1.77 inches in Bear, 1.67 inches in Newark, 1.56 inches in Middletown and 1.44 inches at the New Castle County Airport.
The Christina River at Coochs Bridge was above its 10.5 foot flood stage from 510 p.m. EST through 750 p.m. EST on the 29th. It crested at 11.03 feet at 645 p.m. EST. Event precipitation totals included 1.37 inches at the New Castle County Airport, 1.32 inches in Newark, 1.25 inches in Prices Corner and 1.20 inches in Odessa.
The Christina River at Coochs Bridge was above its 10.5 foot flood stage from 922 p.m. EDT on the 16th through 216 a.m. EDT on the 17th. It crested at 11.39 feet at 1145 p.m. EDT on the 16th. Event precipitation totals included 1.95 inches at the New Castle County Airport, 1.77 inches in Blackbird, 1.76 inches in Longwood and 1.60 inches in Newark.
Quick answers
Frequently asked
How many flood events are on record in New Castle County, Delaware?
70 flood events are recorded in New Castle County between 2005 and 2024, causing 0 direct deaths.
What is the strongest flood recorded in New Castle County?
The strongest flood on record in New Castle County measured 0.
Where does the flood data for New Castle 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 New Castle County, Delaware.” Severe Weather History. severeweatherhistory.com/county/delaware/new-castle-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.