In the years before floodwaters killed more than two dozen people at Camp Mystic in Texas, regulators approved a series of appeals that removed many of the camp’s buildings from official federal flood zones, records show.

Flood maps developed by the Federal Emergency Management Agency in 2011 had placed much of the camp within a 100-year flood zone, an area considered to be at high risk of flooding. Camp Mystic successfully challenged those designations, which would limit renovation projects and require flood insurance, citing elevation calculations of a series of buildings that allowed them to be exempted from the federal restrictions.

Sarah Pralle, an associate professor at Syracuse University who has researched federal flood mapping, said she found the exemptions granted to Camp Mysti

See Full Page