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.

Taking swift action, counselors at Camp La Junta in the Texas Hill Country managed to evacuate hundreds of children from a raging flood.

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.

As floodwaters rose in Texas, camp counselors hoisted children onto rafters, carried them to dry ground and sang with them to keep them calm.

Over 100 people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.

One local summer camp in the path of the disastrous flooding in central Texas was able to avoid any loss of life by closely monitoring weather reports.

For many in Oklahoma, summer means summer camp. But as the flooding tragedy unfolds in Texas, how are camps preparing in case of emergencies?

Just two days before devastating floods claimed at least 27 lives at Camp Mystic, the Texas Department of State Health Services signed off on the youth camp's emergency plans, according to records obtained by ABC News.