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10 Mass. beaches closed from bacteria counts

Ten beaches, from Quincy stretching down the South Shore, were closed Thursday due to high bacteria counts, including a Duxbury beach shut down after posting its highest count in more than five years.

After recent rains, several Quincy beaches had bacteria counts much too high for safe swimming. Back Beach, off Delano Avenue, was almost 60 times the recommended level, according to data from the state’s Bureau of Environmental Health.

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