FEMA approved requests to lift flood restrictions on Camp Mystic buildings for years, enabling expansion in a known hazard zone before the July 4 flash floods killed at least 27 people.

Federal regulators removed Camp Mystic’s buildings from their 100-year flood map years before 27 children were lost in severe floods, an Associated Press review found. According to the New York Times and AP,

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.