The data also highlights critical risks in other areas along the Guadalupe River in Kerr County, revealing more than twice as many Americans live in flood prone areas than FEMA's maps show.

Two days before flash floods on the Guadalupe River in Texas killed dozens of campers at a Christian girls summer camp, a state inspector approved operations, noting there was a written plan for responding to natural disasters.

A Houston family speaks out, sharing photos of their young daughter who they lost in the floods at Camp Mystic

Brooklyn and Bailey MckNight's little sister, Paisley, was at a camp on a smaller arm of the Guadalupe River. The 14-year-old was "just miles" away from Camp Mystic in Central Texas, which has been devastated by the deadly floodwaters spurred by extreme rainfall on July 4.

Scott Ruskan helped save over 200 lives in the deadly flooding in Central Texas over the July 4th weekend. He's a former collegiate athlete and "team first guy."

Robert Earl Keen, a Texas music legend who has a ranch in Kerrville and whose daughters attended Camp Mystic, talks about the impact of July 4 floods.

Camp Mystic. It was bound to happen." | Weather expert says deadly floods along the Guadalupe River were inevitable.