| Low Level Water Treating Plant - Deep in Black Canyon,
submerged for more than 70 years, lies the site of the Low Level
Water Treating Plant for Hoover Dam. We call it the Water
Towers. At this site, water was pumped from the Colorado
River into a 280,000 gallon 50'x20' Dorr clarifier where the
silt was settled out. Water would then flow by gravity to
a 125,000 gallon tank situated at Lomix, where it was used for
concrete production. The clarifier was removed from this site
prior to the filling of Lake Mead in 1935, but the concrete and
wood structures remain intact and in pristine condition.
There are 4 large obelisk shaped pillars that flanked the sides
of the large clarification tank. These rise from the
powdery bottom of the plateau like sentries guarding the Water
Plant's ruins. A grid work of lumber, which provided
a level surface for the tanks, remains amazingly intact to this
day.
Technical dive details:
What a fantastic dive! Like every dive in Black
Canyon, a trip down the canyon wall is like going back in time.
This is a trimix technical dive only, and proper
training and experience is a must. Black Canyon can
have rough water due to boat traffic, so be sure to leave
yourself ample time to safely anchor your vessel. Plan
your air accordingly, and bring quality lighting - This is a
deep, dark, and potentially dangerous dive.
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