They testified before Texas lawmakers for the first time since July 4, when storms engorged the Guadalupe River, killing their children.

Wednesday's meeting of the Select Committee on Disaster Preparedness and Flooding is the public hearing for Senate Bill 1, which covers safety for both youth camps and campgrounds. According to the bill's author, it incorporates significant feedback from the families of children lost at Camp Mystic.

Dozens of families packed inside a small room at the Texas Capitol Monday shared tragic stories — and where their lives are now — after learning their daughters died in July floods at Camp Mystic. Read More: Dozens of families packed inside a small room at the Texas Capitol Monday shared tragic stories — and where their lives are now — after learning their daughters died in July floods at Camp Mystic.