Authorities said the man was fishing when he was overcome by the current.
The Montgomery County Fire Marshal's Office said the fire started after residents discharged the fireworks, picked up the debris, and placed it in the bed of the pickup truck.
Records show the 44-year-old man, whose Tesla crashed into a Katy-area home and killed a woman, was given a $150,000 bond.
Police said the discovery was made while crews were clearing debris from the construction site. Construction workers reported finding what appeared to be headstones dating back to the early 1900s.
Decades-old sexual abuse allegations have surfaced against a man who has ties to various ministries in Montgomery County, according to the sheriff's office.
The driver of a commercial truck that struck and killed a Montgomery County Sheriff's Office deputy on Sunday has been arrested, according to authorities.