Sep 19, 2004
The remnants of Hurricane Ivan interacting with a slowly moving cold front caused widespread very heavy in the upper and middle sections of the Delaware River Valley. While the rain was not heavy in Mercer County, the runoff from the heavy rain upstream produced the worst flooding along the Delaware River since 1955. Townships and roadways along the Delaware River were hardest hit. Damage was estimated in the millions. The Delaware River at Washington's Crossing was above its 20 foot flood stage
Source: NOAA National Weather Service Storm Events Database (event 5426517). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Mercer County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.