Is the water at Yellowstone drinkable?

The water in Yellowstone looks pristine and clear, but don't be fooled to think that it is clean and safe to drink on it's own. Because of the park's immense wildlife populations, there are animals constantly drinking, defecating and dying in and around these waters.



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The water in Yellowstone looks pristine and clear, but don't be fooled to think that it is clean and safe to drink on it's own. Because of the park's immense wildlife populations, there are animals constantly drinking, defecating and dying in and around these waters.

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Photograph of the Old Faithful Geyser erupting in Yellowstone National Park. Waters from Old Faithful contain arsenic concentrations of about 1,500 µg/L. Arsenic is a geogenic, or naturally occurring, chemical element in surface- and groundwaters that is of great public-health concern.

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The center of the pool is sterile due to extreme heat. “The deep blue color of the water in the center of the pool results from the intrinsic blue color of water, itself the result of water's selective absorption of red wavelengths of visible light.

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As one of the few places in Yellowstone where you can actually enjoy a swim in the warm water, the Boiling River is ideal for an afternoon soak. Trailhead: Just north of the Montana border at the 45th Parallel Sign.

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This may have been a bit of an exaggeration, but geysers do emit a bit of a stench due to the elevated levels of sulfuric acid and hydrogen sulfide gas contained within the geysers themselves.

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The only campgrounds inside Yellowstone Park that have shower facilities on-site are Grant, Fishing Bridge, and Canyon. Anyone can pay to utilize them. Last year, I believe the cost of about $3.75 per shower. You can also purchase showers at Mammoth Hotel, Old Faithful Inn, and Roosevelt Lodge.

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The overburden pressure from the load of the ice cap caused the underlying hydrothermal system to boil at higher temperature than today at a given depth beneath the land surface. Loading the Yellowstone hydrothermal system with ice or lake water is similar to pressure cooking.

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These life forms, called cyanobacteria, began to create an atmosphere that would eventually support human life. Cyanobacteria are found in some of the colorful mats and streamers of Yellowstone's hot springs.

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