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Calaveras Reservoir, California
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Calaveras Dam
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Fed by the Arroyo Hundo and Calaveras Creek, in Milpitas, California
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The first dam on the site collapsed due to engineering flaws
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The current Calaveras Dam was, at its completion in 1925, the largest earth-fill dam in the world
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It is 245 feet high, with a length of 1200 feet at its crest
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The reservoir has a capacity of 100,000 acre-feet
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Objective
Maintain appropriate levels of dissovlved oxygen in the hypolimnion to reduce treatment requirements and to support steelhead trout habitat
Facilities
- Located near Sunol, California, in Santa Clara County
- 2,000 feet of diffuser in 2 lines
- 4-tons/day oxygen capacity
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| Courtesy of SFPUC |
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| Adult O. mykiss collected at San Antonio Reservoir in August 2009 (no oxygenation) |
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| Adult o. mykiss collected at the Calaveras Reservoir in August 2009 (oxygenated since 2005) |
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| Courtesy of SFPUC |
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| Courtesy of the San Fransisco Public Utility Commission |
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| 2005 Results at Caleveras Reservoir, Courtsey of the San Francisco Public Utility District |
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| Courtesy of the San Francisco Public Utility District |
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| Courtesy of the San Francisco Public Utility Commission |
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| Courtesy of the San Francisco Public Utility District |
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| Courtesty of the San Fransisco Utility District |
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| The work site at Calaveras Reservoir |
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| Supply pipe from oxygen facility |
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| Floating line diffuser |
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| Positioning the diffuser to GPS cordinates |
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| Underground supply line to lake shore |
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| Oxygen control valves |
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| Oxygen facility in operation |
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| Line diffuser bubbles on the surface during deployment |
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| Bubbles making it to the surface on a calm day |
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Publications and References
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