If potable water is not available, learn how to purify and disinfect natural water before you head out. Drinking from unpurified water sources can result in waterborne diseases, such as cryptosporidiosis or giardiasis. Never drink water that you haven’t treated from a natural source, even if the water looks clean. “Potable water” is clean water that’s safe to drink, brush your teeth with, wash your hands with, and use for preparing food. Information on water sources can be found on the official NPS websites of most parks. If you can’t find the information you need online, use the park contact information to ask about water quality and if water treatment is needed at your destination.
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