Lake Don Pedro: There were 104 accidents on this remote lake in Tuolumne County involving 144 boats. Ninety people suffered injuries and one was killed. Forty-four of the accidents involved collisions.
San Francisco Bay: Of the 164 accidents here, 77 were blamed on boat operator inexperience and inattention. Of the 15 people killed, 11 weren't wearing life jackets. Forty-five people suffered injuries.
Old River: Eight people died here in accidents that all involved boat collisions or people falling overboard. There were 54 accidents involving 74 boats here that injured 34 people.
Sacramento River: There were 196 accidents on the river in 11 counties that resulted in 20 deaths and 109 injuries. Fifty-four of the accidents involved collisions.