San Juan Creek meets the Pacific Ocean at Doheny State Beach in Dana Point, Calif. The poor water quality off Doheny State Beach put in a list of worst beaches in the U.S. Reed Saxon/AP hide caption

itoggle caption Reed Saxon/AP

Doheny Beach in Orange County, Calif. photographed in 2005. A new report on the nation's beaches found that Doheny exceeded at least one water quality standard 42 percent of the time it was tested in 2010. Flickr hide caption

itoggle caption Flickr