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Into a pool of blue green water, Havasu Falls pours nearly one hundred feet. It is about a quarter mile before you reach the campground and about one and a half miles from Supai.
Unofficially and temporarily referred to here as New Navajo Falls and Rock Falls, the flood of August 2008 created two new falls and destroyed Navajo Falls. As soon as the Tribal Council officially names them, official names will be published.
Destroyed Navajo Falls
Cascading over three major waterfalls, the beautiful blue green water:
Throughout the year, the water temperature of about seventy degrees remains relatively constant. It's carbonate precipitate and high mineral content account for the natural dams and pools. Year by year they are being reformed but the floods of years ago destroyed many of these natural dams.
Water picks up high concentrations of carbon dioxide when it percolates through the limestone layer. In the groundwater, this can dissolve carbonate rocks. The carbon dioxide is released into the atmosphere, once the water is no longer pressurized and out of the ground, allowing to precipitate the dissolved calcium carbonate to form striking travertine benches.
Since August 2008, when a significant flash food swept through the canyon, changes have occurred. As evidenced by the ancient crests lining Havasu and Mooney falls, it is natural for the falls to change over time.
Over five major waterfalls, the blue green water tumbles. Temporarily being referred to as New Navajo Falls is the first fall and was created during the flood of 2008. Called temporarily Rock Falls, downstream is the other new fall Mother Nature created with her flood waters.
Which has also been changed by the flood, next is Havasu Falls. Of the previous higher crest, Havasu Falls crest is now flowing out of the right side.
The pool was filled with silt but Mooney Falls suffered the least change. Already it is being covered by travertine and calcified after an artificial wall has been put in place.
As evidenced by the crests lining Havasu and Mooney falls, it is natural for the falls to change over time. As it has been doing for ages, the pools will regain their previous shapes as the process repeats itself.
Accounting for the natural dams and pools, the water's carbonate precipitate and high mineral content. Many of these natural dams are destroyed repeatedly by the infrequent floods.
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