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General Information

Completion: 1971
Status: in use

Project Type

Location

Location: , ,
Coordinates: 37° 42' 1.71" N    120° 25' 16.29" W
Show coordinates on a map

Technical Information

Dimensions

height 178 m
crest length 853 m
base thickness 579 m

Excerpt from Wikipedia

The Don Pedro Dam, since 1971 also known as the Old Don Pedro Dam, was a dam across the Tuolumne River in Tuolumne County, California. The structure is currently flooded underneath Don Pedro Reservoir, which is formed by the New Don Pedro Dam.

It was a solid concrete gravity dam that was 283 ft (86 m) high, 1,000 ft (300 m) wide, 16 ft (4.9 m) thick at the crest, and 170 ft (52 m) thick at the base. It was completed in 1923 where the Tuolumne River had carved a narrow gorge with walls of solid rock about a mile (2 km) below Don Pedro Bar. The reservoir created by this dam contained 290,400 acre⋅ft (358,200,000 m³) of water when full, 14.3% of today's capacity.

A 15 megawatt power plant was part of the dam's original design, and two more 7500 kilowatt generators were added in 1926 for 30 megawatts total, just 15% of today's capacity. The old dam still exists about 1.5 mi (2.4 km) upstream from the new 1971 dam, and since the old dam topped out at just 580 ft (180 m) above sea level it is now under some 250 ft (76 m) of water when the new reservoir is full.

Text imported from Wikipedia article "Don Pedro Dam" and modified on July 23, 2019 according to the CC-BY-SA 4.0 International license.

Participants

Currently there is no information available about persons or companies having participated in this project.

Relevant Web Sites

  • About this
    data sheet
  • Structure-ID
    20030551
  • Published on:
    23/08/2007
  • Last updated on:
    23/07/2014
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