The 1,300 beaches charted on the app vary from pristine Gulf coast shores to dirty destinations along the Pacific coast.
A newly released app called the Swim Guide directs users to the closest and cleanest beaches. Water quality data is sourced from government agencies to provide user information on the water cleanliness for more than 300 California beaches.
Created by the Waterkeeper Alliance, a network of 200 water protection groups around the globe, the app is available for iOS and Android devices.
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