Satellite images show the damage left behind after floodwaters rushed through Camp Mystic, Camp La Junta and other summer camps on July 4.

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.

With more than 170 still missing, communities must reconcile how to pick up the pieces around a waterway that remains both a wellspring and a looming menace.

Texas inspectors signed off on Camp Mystic's emergency plan just two days before the devastating flood killed more than two dozen people at the all-girls Christian summer camp​, most of them children.

As questions swirl surrounding the timeline of who was notified about the flooding when, and if more could have been done, Department of Homeland Security Secretary Kristi Noem said an alert from the National Weather Service was sent to people in the flood zone -- but she said that doesn’t mean that people heard it.

Crews are digging through mountains of debris along the Guadalupe River as they continue their desperate search