![]() ![]() “When it does get contaminated, there’s not a mechanism to flush it out.” “When you have water that’s in essence still-like or pond-like, it has a greater opportunity to come in contact with a source,” he said. Some enclosed beaches, though, are at the mercy of their geography, said James Alamillo, Heal the Bay’s water quality manager. coli, often comes from sewage, septic tank drainage or urban runoff - funneled into the seas by rainfall - and, if swallowed, has the potential to make surfers and swimmers sick. Water with high levels of the bacteria, such as E. “The fecal indicator bacteria itself doesn’t tell you anything about other risks to the ocean ecosystem.” “This is very much about human health - whether or not we’re going to get sick,” said John Largier, a UC Davis coastal oceanography professor who wasn’t involved with the report. ![]()
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