West Falls Church is a census-designated place (CDP) in Fairfax County, Virginia, United States.The population was 29,207 at the 2010 census. Before 2010, West Falls Church was officially named Jefferson.est Falls Church is a census-designated place (CDP) in Fairfax County, Virginia, United States. The population was 29,207 at the 2010 census.
Watershed at a Glance. The Cannon River watershed is located south of the Twin Cities and encompasses areas of Dakota, Goodhue, Le Sueur, Steele, Rice and Waseca counties. The watershed drains approximately 1,460 square miles through two main channels, the Cannon and Straight Rivers, to the Mississippi at Red Wing.
Dakota Countyâs Lake Byllesby Regional Park also contains a campground. The river downstream of the dam flows through a steep gorge with limestone bluffs on either side of the river. Cannon Falls is located two miles from the dam and has two public landings located in city parks. Watch a captioned video about Lake Byllesby (1 minute 34 seconds)