The Yuba County Sheriff's Department says a 20-year-old Gridley man drowned Wednesday in the Sly Creek Reservoir, about 60 miles north of Grass Valley.

Leslie Carbah with the sheriff's department says Victor Angel and a friend were camping, and were going to do some target shooting with a commonly used legal explosive additive called Tannerite.

“When the victim loaded the Tannerite to swim across the approximately 200-yard cove to place the target,” Carbah says, “the witness advised they saw him begin to struggle about halfway across the lake."

Carbah says Angel's friend swam out to the middle of the lake in a rescue attempt, but Angel went under before he could be reached.

Once the friend returned to shore, he had no cell phone service, and drove to the nearby town of Clipper Mills to call 9-1-1.

A helicopter searched for the drowning victim for several hours Wednesday. He was found about 70 feet below the surface.

This is the second person to drown in Yuba County this year.