Is there arsenic in the bottom of the Great Salt Lake?

A disappearing Great Salt Lake could poison the lungs of more than 2.5 million people. When lake levels hit historic lows in recent months, 800 square miles of lakebed were exposed – soil that holds centuries of natural and manmade toxins like mercury, arsenic and selenium.



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The Great Salt Lake contains arsenic and other metals that are naturally occurring, while some researchers say could even be human-caused. And as the lake shrinks, it has exposed some 800 square miles of exposed lakebed, equivalent to the entire surface area of Maui.

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Some of the waste water eventually found its way into the 008 outflow, a pipeline that runs beneath Interstate 80 and drains directly into the Great Salt Lake. State water-quality officials measured arsenic levels at 1.86 milligrams per liter (mg/L) at the outflow's discharge point.

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

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Lake Michigan The Great Lakes are all water bodies that swimmers should think twice about entering. Lake Michigan in particular is the roughest of the Great Lakes, and poses a major risk to those thinking of taking a dip. This body of water is often named the most dangerous lake in the United States.

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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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Lake Superior is safe for swimming. In fact, it has the lowest drowning rate of all the Great Lakes, as reflected in the statistics provided by the Great Lakes Surf Rescue Project. There were 108 confirmed drownings in the Great Lakes in 2022, along with 12 unknown final outcomes.

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The Smell of the Great Salt Lake There are a handful of different reasons for this. The first is that the lake carries huge amounts of salinity. This means that less bacterial sulfates which make hydrogen sulfide. A second source of the lake smell is the combination of low depth and low oxygen where the lake is.

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Water experts say it's going to take more than one big year to fill the Great Salt Lake. SALT LAKE CITY — Ever since The Great Salt Lake hit its lowest water level on record in November 2022, concerns over things like arsenic in the exposed lake bed have only grown.

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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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As the lakebed becomes exposed, toxic dust mixed with metals and metalloids like antimony, copper, zirconium and arsenic become a problem, per Live Science. The dust could lead to soil degradation and snow melt, as well as raise residents' risk of respiratory conditions, heart disease, lung disease and cancers.

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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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Because of the abundant algae and halophiles, as well as the high salinity, the lake does not support fish — but it teems with brine shrimp and brine flies, which provide essential nutrition for migrating birds.

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Lake Erie is the fourth-largest lake in North America (by surface area) and the eleventh-largest worldwide. It is the Great Lakes' southernmost, shallowest, and smallest by volume. By the 1960s, Lake Erie had become the most polluted of the Great Lakes, owing to the substantial industrial presence along its coasts.

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Lake Superior is the Cleanest and Clearest Great Lake Because of its somewhat isolated location and long cold winters, not much farming is done along Superior's shores. This means lower amounts of nutrients, sediments, and organic material are floating around the lake.

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Lake Michigan's riptide and longshore tides are unparalleled when it comes to danger among all the Great Lakes. In fact, due to its unnaturally strong winds, it's not unusual for this lake to have strong rip currents that can be dangerous for swimmers.

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