A third person injured in the explosion at Coryell County Memorial Hospital died Sunday at Dell Seton Hospital in Austin, Gatesville police confirmed Monday.
Wilber Dimas suffered burns over 70 percent of his body in the explosion on June 26. His family established a Go Fund Me account in his name.
Two other victims, Michael Bruggman and Filiberto Morales were also killed. Thirteen others were injured.
The preliminary investigation showed a construction accident lead to a natural gas explosion, according to the Texas State Fire Marshal's Office.
Five of the injured workers were employed by Lochridge-Priest in Waco. The company set up Go Fund Me accounts for the victims and their families.