| Buchanan Dam | |
|---|---|
 Buchanan Dam showing multi-arch structure and a set of floodgates | |
  Location of Buchanan Dam in Texas | |
| Official name | Buchanan Dam |
| Location | Burnet / Llano counties, Texas, United States |
| Coordinates | 30°45′05″N 98°25′06″W / 30.7514°N 98.4183°W |
| Construction began | 1931 |
| Opening date | 1937 |
| Operator(s) | Lower Colorado River Authority |
| Dam and spillways | |
| Impounds | Colorado River |
| Height | 145.5 feet (44.3 m) |
| Length | 10,987.6 feet (3,349.0 m) |
| Width (base) | 215.1 feet (65.6 m) |
| Spillway type | 37 controlled, bulkhead-gates |
| Spillway capacity | 347,300 cu ft/s (9,830 m3/s) (7 floodgates at 18,800 cfs; 30 floodgates at 7,000 cfs, 3 turbines at 1,900 cfs) |
| Reservoir | |
| Creates | Lake Buchanan |
| Power Station | |
| Turbines | 3[1] |
| Installed capacity | 54.9 MW[1] |
The Buchanan Dam (/bəˈkænən/[2][3]) is a multiple arch dam located on the Colorado River of Texas. The dam forms Lake Buchanan and was the first dam to be completed in the chain of Texas Highland Lakes. The dam is used for generating hydroelectric power and for flood control and is located about 12 miles (19 km) west of Burnet, Texas.
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Transcription
History
Construction of the then-named George W. Hamilton Dam was started in 1931 by a company controlled by Samuel Insull, but soon ended with the dam less than half completed when his highly leveraged public utility holding company collapsed during the Great Depression.[4] In 1934, the Texas legislature authorized the formation of the Lower Colorado River Authority to complete the Hamilton dam.[5] Following completion in 1937, the dam was renamed for U.S. Representative James P. Buchanan, who helped obtain federal funding for the project from the Public Works Administration.[5]
Construction of the dam required the relocation of the town of Bluffton, Texas. Relocation began in 1931 and was complete by 1939. A 2011 drought re-exposed the old Bluffton townsite.[6]
Following a flood along the river in 1938, in which the dam was required to pass through all of the flow of water, there was criticism of the dam project as failing to meet its promise of preventing downstream floods.[7] However, at the time it was pointed out that the Buchanan Dam was just the first in a series of four flood control dams, and that prevention of flooding would not be possible until they were finished.[7]
References
- ^ a b EIA Electricity Generating Capacity Tables
- ^ "Texas Almanac Pronunciation Guide" (PDF). Texas Almanac. Texas State Historical Association. Archived from the original (PDF) on 2015-07-24. Retrieved 2015-08-09.
Buchanan Dam — buhk hăn uhn DĂM
- ^ Highland Lakes "Pronunciation" Guide
- ^ Jackson, Donald C. (1988). Great American Bridges and Dams. John Wiley and Sons. pp. 255–56. ISBN 0-471-14385-5.
- ^ a b Shih, Yang-Ch'eng (1956). American Water Resources Administration. Vol. 2. New York: Bookman Associates. pp. 998–999.
- ^ "As Drought Continues, Depleted Texas Lakes Expose Ghost Towns, Graves". Associated Press. November 20, 2011. Retrieved November 21, 2011.
- ^ a b Burnett, Jonathan (2008). Flash Floods in Texas. Texas A&M University Press. pp. 111–124. ISBN 978-1-58544-590-5.
External links
- LCRA Website Buchanan Dam webpage Archived 2009-07-05 at the Wayback Machine
Crossings of the Colorado River | ||||
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This page was last edited on 15 January 2024, at 22:58