After analyzing all the samples, it found that Imperial Beach in San Diego County, California, was the dirtiest beach in the state—and one of the most contaminated in the U.S.—with a bacteria ...

Signs along the coast of Imperial Beach, once a popular Southern California tourist and surfer mecca, warn residents and visitors to "Keep Out of Water." According to The New York Times, ...

Imperial Beach has struggled with sewage run-off from the Tijuana River for years. This Southern California Beach Has the Highest Bacteria Rates in the State—and It's One of the Dirtiest in the U.S.