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Thread: Drought leaves dark cloud over California ranchers, growers

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  1. #21
    Senior Member HAPPY2BME's Avatar
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  2. #22
    Senior Member HAPPY2BME's Avatar
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    What's wrong with this picture?

    Who's got a clue with what to do with this DRY lake bed during the height of a 150 year drought?

    Answer: DIG IT DEEPER FOR WHEN THE RAINS RETURN TO STORE MORE WATER


    Photograph by Ken James/Bloomberg
    California's Folsom Lake, currently at 17% of its total capacity, on Feb. 2
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  3. #23
    Senior Member JohnDoe2's Avatar
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    Quote Originally Posted by HAPPY2BME View Post
    What's wrong with this picture?

    Who's got a clue with what to do with this DRY lake bed during the height of a 150 year drought?

    Answer: DIG IT DEEPER FOR WHEN THE RAINS RETURN TO STORE MORE WATER
    It's faster, cheaper and easier to raise the dam to store more water, as was done in San Diego County.

    San Vicente Dam Reaches New Full Height of 337 Feet

    Submitted by Donna Nenow on Thu, 10/18/2012 - 8:48am



    The San Diego County Water Authority's San Vicente Dam Raise project has reached another construction milestone -- the dam in Lakeside has topped out at its new full height of 337 feet.

    This vital improvement to the region's water storage and distribution system -- the largest water storage project in San Diego County's history -- is on track for completion in 2013.
    The new dam is 117 feet higher than the old one, the tallest dam raise in the United States. Once work is finished on the dam, remaining construction will include the San Vicente Marina Facilities, Bypass Pipeline, and site restoration projects.

    “The new dam is an impressive sight, and it will serve the region for generations,” said Thomas V. Wornham, Chairman of the Water Authority’s Board of Directors, who visited the worksite on Tuesday.

    “It’s exactly the kind of strategic investment that we need to protect our region and its $186 billion economy from the devastating impact of water shortages caused by drought, regulatory cutbacks or a catastrophe that damages our water lifelines to the north.”

    The $450 million project will add 152,000 acre-feet of water storage capacity to the existing reservoir, enough to serve more than 300,000 homes for a year.
    Filling the reservoir will take two to five more years.

    The new storage volume will be greater than any current reservoir in the county. The stored water will be used to help meet regional water needs during dry years or emergencies, such as disruptions caused by a major earthquake. The dam and reservoir are owned by the city of San Diego. Water in the enlarged reservoir will be shared by the city (90,000 acre-feet) and the Water Authority (152,000 acre-feet).

    The San Vicente Dam Raise is one of the final components of the Water Authority’s $1.5 billion Emergency Storage Project, a system of water conveyance and storage facilities designed to ensure San Diego County will have up to a six-month supply of locally stored water and can move that water around the region.

    San Vicente Reservoir is closed to recreation during construction. Once the lake is refilled, an expanded marina will open for boating and fishing.

    San Vicente Dam Raise Facts

    • The initial 220-foot-high concrete dam, owned by the city of San Diego, was built in 1943. It measures 950 feet long and 150 feet wide at the base.
    • The raised dam is 1,440 feet long and 225 feet wide at the base. A new 45-foot high saddle dam is in the final stages of construction in a low point in the hills to contain the higher reservoir levels.
    • The raised dam is 337 feet high. Work was done using roller-compacted concrete, a mix with a consistency similar to cookie dough. This method takes less time and water than conventional concrete but is just as strong.
    • Construction doubled the volume of the dam itself to about 1.2 million cubic yards of concrete.


    More information about the San Vicente Dam Raise is available at San Vicente Dam Raise. For details about the Emergency Storage Project, visitEmergency Storage Project.

    http://www.acwa.com/content/san-vice...eight-337-feet
    Last edited by JohnDoe2; 02-07-2014 at 05:57 PM.
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  4. #24
    Senior Member JohnDoe2's Avatar
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    List of dams and reservoirs in California

    From Wikipedia, the free encyclopedia

    Following is a list of dams and reservoirs in California in a sortable table.

    There are over 1,400 named dams and 1,300 named reservoirs in the state of California.


    @ http://en.wikipedia.org/wiki/List_of..._in_California
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  5. #25
    Senior Member JohnDoe2's Avatar
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    1. Construction - Diamond Valley Lake CA.

      www.dvlake.com/general_info09.html‎
      Diamond Valley Lake
    2. The construction of Diamond Valley Lake's West Dam, EastDam, and Saddle Dam represents the largest earthwork project in the history of the United States, ...


    3. Construction


      The construction of Diamond Valley Lake's West Dam, East Dam, and Saddle Dam represents the largest earthwork project in the history of the United States, involving over 40 million cubic yards of foundation excavation and 110 million cubic yards of embankment construction.

      The Diamond Valley Lake project is truly a "World Class" civil works project with materials drilled, blasted, crushed, loaded, hauled, placed, and compacted at an unsurpassed rate in the dam construction industry. The rock operations literally moved the mountain of rock from the south rim of the reservoir and placed it across the valley floor to form two two-mile long dams at each end of a 4-1/2-mile valley.

      The dams are earth-core rock fill dams that make use of soil and rock materials, all obtained from areas located within the project boundary. Core materials were obtained from the silty and clayey sandy alluvium in the floor of the reservoir. Rockfill came from the bedrock near the lake's South Rim. The West Dam and Saddle Dam rockfill shells are comprised of quartzite and phyllite obtained near the western end of the reservoir, while the East Dam rockfill shells are gneiss obtained near the eastern end of the reservoir.

      Filter and drain materials for all three dams were obtained by crushing and processing quartzite from the western end of the reservoir.

      The shovels, loaders and trucks used on the project were the largest available in the industry and established a new standard for earth and rock movement. The two rock processing plants set up for the project provided combined production exceeding the capability of any single commercial processing operation in California.

      The reservoir's construction field operations were the largest in the nation, moving more than 200,000 cubic yards of earth and rock each day to build the project's three dams. More than 150 million cubic yards of materials were hauled - more than two times the total excavation of the "Chunnel" project linking England and France.


      You can now walk through the Diamond Valley Lake Reservoir construction site and view the building of the reservoir through the use ofQuicktime VR technology. You can proceed to the site by clicking the map to the right or navigate via the QTVR Views menu. The movies are designed to play as they load so you will need to install the Quicktime plug-in for proper viewing.

      http://webcache.googleusercontent.co...al_info09.html
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  6. #26
    Senior Member JohnDoe2's Avatar
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    This is Google's cache of http://www.dvlake.com/general_info06.html. It is a snapshot of the page as it appeared on Feb 1, 2014 04:05:40 GMT. The current page could have changed in the meantime. Learn more
    Tip: To quickly find your search term on this page, press Ctrl+F or ⌘-F (Mac) and use the find bar.

    Text-only version


    Creating Diamond Valley Lake


    Built in the saddle of two mountains, Diamond Valley Lake—Southern California’s newest and largest reservoir—is a vital link in the regional system that’s brought water to Southern California for the past 60 years.

    The lake nearly doubled the area’s surface water storage capacity and provided additional water supplies for drought, peak summer and emergency needs.

    Water began pouring into the reservoir in November 1999 and the lake was filled by early 2002. Diamond Valley Lake holds 800,000 acre-feet, or 260 billion gallons of water. By comparison, Lake Havasu, on the Colorado River, holds just 648,000 acre-feet or 201 billion gallons.


    Diamond Valley Lake: History - Finding a Place Diamond Valley Lake:Environmental Stewardship Diamond Valley Lake:Construction


    http://webcache.googleusercontent.co...al_info06.html
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  7. #27
    Senior Member JohnDoe2's Avatar
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    1. Desalination plant on course for 2016 | UTSanDiego.com

      www.utsandiego.com/.../carlsbad-desalination-plant-dro...‎
      U‑T San Diego
    2. Jan 7, 2014 - One year after construction began, the $1 billion Carlsbad desalination plant is under budget and on schedule to begin producing 50 million gallons per day . . .
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  8. #28
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