Even a small amount of water inside a home can cause costly damage. Here’s how to assess your flood risk and what to do if you’re in the danger zone.

The data also highlights critical risks in other areas along the Guadalupe River in Kerr County, and nationwide as many Americans have a flood risk they are not aware of.

FEMA is anticipated to open a 90-day public appeal and comment period in the winter where property owners can formally challenge the flood zone designation but they must provide scientific or technical data to back up their request.

It’s a mystery to me why they weren’t taking proactive steps to move structures,” said Syracuse University associate professor Sarah Pralle.

Camp Mystic owners successfully appealed to the Federal Emergency Management Agency to redesignate some buildings that had been considered part of a flood-hazard zone.

FEMA allowed appeals from the camp to relax strict flood regulations despite knowing the area was high risk for '100 year flood'