HOME

TheInfoList



OR:

The Austin Dam failure, also referred to as "The Great Granite Dam" failure, was a catastrophic dam failure near
Austin, Texas Austin is the capital city of the U.S. state of Texas, as well as the county seat, seat and largest city of Travis County, Texas, Travis County, with portions extending into Hays County, Texas, Hays and Williamson County, Texas, Williamson co ...
that killed several dozen people in 1900. The destruction of the dam drained the Lake McDonald
reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...
and left the city of Austin without electrical power for a number of months.
"At 11.20 a.m. on April 7, when the lake level had reached a height of 11.07 feet above the crest of the dam, the dam gave way at a point ... about 300 feet from the east end of the dam. Observers t three different pointsall agree in their testimony that it first opened t the point about 300 feet from the east end of the dam and as though the mad current had simply pushed its way through the structure. Sooner than it takes to write these words the two sections ... each about 250 feet long, were shoved or pushed into the lower positions ... about 60 feet from their former positions in the dam. There was not the slightest overturning. ... As soon as the sections were broken out ... the partially pent-up waters rushed through the gap, those held back by he intact sectionproducing a strong current in the direction of the power house. This current struck the wall of the power house almost on a level with the floor of the pump room (about 12 feet below the crest of the dam), crushed in all of the windows on the west side, flooded all of the lower stories, and caught and drowned five employees and three small boys. Two of the employees miraculously escaped by climbing through a belt hole in the dynamo room. These workmen were pumping water from the lower portions of the power house."
Subsequent attempts to rebuild the dam were unsuccessful. The dam was finally replaced by the
Tom Miller Dam Tom Miller Dam is a dam located on the Colorado River within the city limits of Austin, Texas, United States. The City of Austin, aided by funds from the Public Works Administration, constructed the dam for the purpose of flood control and for ge ...
in the 1940s.


References


External links


U.S. Geological Survey Water Supply paper

Austin Dam 1896
1900 disasters in the United States Dam failures in the United States Disasters in Austin, Texas 1900 in Texas History of Austin, Texas {{disaster-stub