Why does the Great Salt Lake turn pink?

Halophiles are extreme salt-loving microorganisms that have a unique pigment, giving the water its peculiar pinkish color. The South Arm of the lake averages about 12–15% salinity, while the North Arm averages around 26–30% and contains halophiles with a purple to pink hue.



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While the idea of swimming in bacteria and algae may make you squeamish, it is actually safe to swim in Utah's pink lake. Granted, you wouldn't want to fully submerge yourself and actually swim in the water. You'll definitely want to avoid getting any salt water in your eyes.

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Swimming in the Great Salt Lake is safe despite contaminants, researchers say - Axios Salt Lake City.

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With a salinity level over 40 percent, Don Juan is significantly saltier than most of the other hypersaline lakes around the world. The Dead Sea has a salinity of 34 percent; the Great Salt Lake varies between 5 and 27 percent. Earth's oceans have an average salinity of 3.5 percent.

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The Great Salt Lake is home to many important biological and wildlife species, from archaea, to bacteria, to phytoplankton (400+ species). Perhaps the three most apparent species that can be seen with the naked eye are brine shrimp (tons), brine flies (billions) and birds (millions).

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I heard that the Great Salt Lake is so salty that you can walk on the water. Is that true? Yes. By all means, try it.

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According to a recent study by Brigham Young University, it's possible that Great Salt Lake could dry up completely in the next five years.

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Even when the water temperature is in the 20's (°F), the lake does not freeze, due to the high salt content of the water; but icebergs have been ob- served floating on the lake's surface, formed from freshwater that flows into the lake from tributaries and freezes on the surface before it mixes with the brine.

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It was called Lake Bonneville, and northern Utah, southern Idaho, northern Nevada was all underwater, a freshwater lake. But as the Earth warmed up, ice dams broke, and water evaporated, and all the water seeping out left behind this salty puddle in the bottom of the bathtub, and that's what we call Great Salt Lake.

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Water flows downhill, and the ocean is at the bottom of the hill, right? But Great Salt Lake sits at the bottom of a closed basin. It's a terminal lake. The only way water can leave is through evaporation.

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No matter what time of year you choose to visit the Dead Sea, it's important to remember that swimming in its waters can be dangerous due to its high salt content and strong currents. Visitors must take safety precautions, such as wearing a life jacket or using a floatation device when swimming in these waters.

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