Over the past several decades, visitor use of the backcountry areas of Grand Teton National Park (Wyoming) has dramatically increased. The water quality of clear, sparkling mountain streams and lakes is being impacted by concentrated recreational use where, because of the potential for future wilderness designation, no restroom facilities are available. Park officials are concerned about the impacts that these activities have on water quality, and that the consumption of untreated water from these areas may pose a hazard to human health.
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Backcountry water quality in Grand Teton National Park