May 2, 1998
The Carl Smith Dam at Patterson Reservoir #3 failed, sending a wall of water down Leroux Creek. The earthen dam break was 200 feet wide and 45 feet high. The wall of water was up to 10 feet high and averaged 100 feet in width. Many bridges and irrigation structures were damaged or washed out. One house was flooded. Many farm and ranch buildings were destroyed or washed away. 92 lambs drowned.
Source: NOAA National Weather Service Storm Events Database (event 5650192). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Delta County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.