Valley County, Nebraska: History
Valley County was formed in 1871 and organized in 1873. Its name derives from the local terrain: much of the county consists of valley land lying between the North and Middle Loup Rivers.
On June 12, 2010, the privately owned Bredthauer Dam broke due to heavy rain, flooding rural Valley County and the village of North Loup. Major flooding occurred in the village, with water "eight inches deep and running down Main Street." North Loup was evacuated for the flood's duration.