Jul 1, 2017
During the first six months of 2017, more than twice the normal amount of water accumulated on Lake Ontario while the Ottawa River saw the highest flows in more than 50 years, leading to widespread flooding across the Lake Ontario ��� St. Lawrence River system. In early 2017, Lake Erie levels were the highest they���d been for that time of year for almost 20 years. Inflows to Lake Ontario from Lake Erie were above average from January through June. Lake Ontario saw two of the wette
Source: NOAA National Weather Service Storm Events Database (event 728373). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Jefferson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.