A study by Stanford University scientists on bacteria, beach sand and surf water found traces of human waste on the beach at Lovers Point in Pacific Grove.
The Stanford study showed contaminated beach sand can be a source for bacteria in coastal waters. It found detectable levels of enterococci bacteria on 91 percent of the beaches and traces of E. coli on 62 percent. They found higher levels of the bacteria at beaches surrounded by developed areas.
At Lovers Point, researchers found that enterococci bacteria could wash from dry sand to the sea at levels high enough to trigger a beach health advisory.
Monterey County has a hot line and Web site to inform people about water quality at eight of its most popular beaches. The number: (800) 347-6363; online: www.co.monterey.ca.us/health/beaches.