For decades, Dick and Tweety Eastland presided over Camp Mystic with a kind of magisterial benevolence that alumni well past childhood still describe with awe.

At least 19 of the cabins at Camp Mystic were located in designated flood zones, including some in an area deemed “extremely hazardous” by the county.

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.

Texas authorities said Tuesday 87 people died in Kerr County as a result of catastrophic flooding along the Guadalupe River on the Fourth of July. Five girls and a counselor from Camp Mystic remain missing, the officials said.

Viral clip show how Camp Mystic employees and campers' joy, singing and dancing turn to tragedy as 27 lives lost

Texas officials warn of more heavy rain after catastrophic flooding killed more than 80 people in the state. Follow for live updates.