An autopsy has been issued by the Ventura County Medical Examiner's Office.
It has officially ruled that actress Naya Rivera died as a result of drowning.
"The autopsy findings are consistent with a drowning and the condition of the body is consistent with the time that she was submerged. Official press release
No traumatic injuries or disease processes were identified at autopsy according to CNN.
Rivera, 33, vanished last week from Lake Piru in Southern California's Ventura County.
She went to the lake that afternoon and rented a pontoon boat with her 4-year-old son.