The 2011 Lake Champlain and Richelieu River floods Catastrophe were a series of water level increases that began Process_start at the end of April 2011 and caused Causation a subsequent overflow Motion of the Richelieu River in Canada and Lake Champlain in the United States .

The 2011 Lake Champlain and Richelieu River floods Catastrophe were a series of water level increases that began Process_start at the end of April 2011 and caused Causation a subsequent overflow Motion of the Richelieu River in Canada and Lake Champlain in the United States .

Lake Champlain stayed Temporary_stay at flood stage for 67 days from April to June , and on May 10 , 2011 , the lake broke Destroying its previous flood level set in 1869 by reaching Arriving 102.8 ft. at Rouses Point , New York .