Mathew Jordan was riding his jet ski when he was run over by a boat on July 2nd.
The 25-year-old Jordan died late last week.
It's not known how his death will affect the case against the boat's driver -- 33 year-old Jose Barajas.
Barajas was arrested and charged with operating a boat while intoxicated, and assault by watercraft.
Jordan graduated from Davis High School in 1999.