Last edited by Kedal
Saturday, August 1, 2020 | History

3 edition of Hetch Hetchy water treatment project found in the catalog.

Hetch Hetchy water treatment project

Hetch Hetchy water treatment project

chloramine conversion environmental impact report

  • 94 Want to read
  • 40 Currently reading

Published by Planning Dept. in San Francisco, Calif .
Written in English

    Subjects:
  • Water -- Purification -- Disinfection -- California -- San Francisco,
  • Water -- Purification -- California -- San Francisco,
  • Hazardous waste site remediation -- California -- San Francisco,
  • Water -- Pollution -- California -- San Francisco,
  • Drinking water -- Purification -- California -- San Francisco,
  • Chloramines,
  • Presidio of San Francisco (Calif.)

  • Edition Notes

    Other titlesDraft Hetch Hetchy water treatment project chloramine conversion environmental impact report
    StatementCity and County of San Francisco Planning Dept.
    ContributionsSan Francisco (Calif.). Planning Dept.
    The Physical Object
    Pagination1 v. (various pagings) :
    ID Numbers
    Open LibraryOL23045480M
    OCLC/WorldCa44937728

      Pretty much tells it all. This is the "Owens Valley" (Los Angeles's source of water and utilities from the flooded Owens Valley in the South Sierra Nevadas) of . Restore Hetch Hetchy argues that if the lake, which holds , acre feet of water — twice the capacity of Los Vaqueros Reservoir in Contra Costa County and four times the .

    Yosemite’s Hetch Hetchy Valley was taken from the American people years ago. It’s time to take it back. Commentary by Spreck Rosekrans, Executive Director of Restore Hetch Hetchy California’s water wars date back to the Gold Rush, when miners established the right of prior appropriation (a legal doctrine known in schoolyards as “first dibs”) [ ]. —From Hetch Hetchy: Undoing a Great American Mistake. In the ’s the thirsty city of San Francisco reached deep into Yosemite National Park to build the O’Shaughnessy Dam on the Tuolumne River, diverting one-third of the river’s water and flooding the Hetch Hetchy Valley, said at the time to be as magnificent as Yosemite Valley itself.

    The Raker Act authorizes the use of Hetch Hetchy, Eleanor Creek and the construction of the O’Shaughnessy dam and water rights to the dammed water in the Hetch Hetchy Valley in Yosemite National Park Project as municipal water sources for the city of San Francisco. California's water supply does not depend solely on rain and snow in the Central Valley watershed. Southern California gets about 5,, acre-feet (14 times the volume of Hetch Hetchy Reservoir) annually from the Colorado River. Fortunately, early season storms have reached the Rocky Mountains, which bodes well for Colorado River in


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Hetch Hetchy water treatment project Download PDF EPUB FB2

The Hetch Hetchy Reservoir, while providing water to millions of people in the San Francisco Bay Area, also provides visitors with access to spectacular beauty and the wilderness of Yosemite National Park.

Many hiking trails begin from O’Shaughnessy Dam and some of Hetch Hetchy’s most beautiful features are easily seen from the top of the dam. "The Battle over Hetch Hetchy is something beyond merely the best book anyone has ever written on confluence of canyon, dam, and city that so shaped the story of the modern American West.

It is both a well-argued history and a beautifully-written testimony of hubris and loss, even possible by:   That snow melts into the Tuolumne River, and three smaller creeks that empty into the Hetch Hetchy Reservoir.

From left to right, Suzanne Gautier, Annie Li, Alex Kornblum and Heath Kornblum, stand in front of a map of the Hetch Hetchy system at the Harry Tracy Water Treatment Plant in San Bruno, California.

In a short book ( pages) the author covers a lot of territory all centered around the daming of Hetch Hetchy valley in Yosemite National Park. There is a brief but interesting account of the history of the National Park Service and Yosemite; a quick sketch of John Muir; and then a history of the politics of San Francisco as it relates to /5(5).

The Hetch Hetchy project was a major contributor to the history of Tuolumne County affecting its natural environment and economic development. The project construction spanned twenty-five years from to The Hetch Hetchy project was created to find and deliver drinking water to San Francisco and the Bay Area.

The water is delivered by a gravity-based system and aqueduct to the Bay Area. According to the San Francisco Public Utilities Commission, Hetch Hetchy Reservoir can store as much as billion gallons for the Hetch Hetchy Regional Water System, which serves San Francisco, Santa Clara, Alameda and San Mateo counties.

O'Shaughnessy Dam was completed in and on Octowater from the Hetch Hetchy project finally began pouring into San Francisco. Dedication ceremony for completion of Hetch Hetchy System at the Pulgas Water Temple, Notice - The USGS Water Resources Mission Area's priority is to maintain the safety and well-being of our communities, including providing critical situational awareness in times of flooding in all 50 U.S.

states and additional territories. Our hydrologic monitoring stations continue to send data in near real-time to NWISWeb, and we are continuing critical water monitoring activities to.

The San Francisco Public Utilities Commission owns and operates Hetch Hetchy Power, which represents some of the cleanest energy available in California. For over years this system—which utilizes the gravity flow of the City’s water from source to tap—has operated without producing any carbon emissions nor any radioactive byproducts.

The city desperately needed water and power, and Yosemite’s Hetch Hetchy Valley, where two steep granite walls met in a narrow V, was perfect for anchoring a dam. This is the last water pipeline improvement project to move into construction of the more than 80 infrastructure projects as part of the $ billion Water System Improvement Program (WSIP).

“Each project further improves the overall resiliency and seismic reliability of the entire Hetch Hetchy Regional Water System,” said SFPUC General. O'Shaughnessy Dam is a foot ( m) high concrete arch-gravity dam in Tuolumne County, California, in the United impounds the Tuolumne River, forming the Hetch Hetchy Reservoir at the lower end of Hetch Hetchy Valley in Yosemite National Park, about miles ( km) east of San Francisco.

The dam and reservoir are the source for the Hetch Hetchy Location: Tuolumne County, California, United States.

But before the Hetch Hetchy Project broke ground, controversy roiled over the project. Finally, the Raker Act was passed by Congress in and signed by Pres.

Woodrow Wilson to permit the use of the rights-of-way for the project. Today, this system serves some of the highest-quality water in the nation to million people. By Nan W. Frobish Visitors to Yosemite's iconic Hetch Hetchy reservoir are doing a double-take. Instead of seeing the majestic backdrop of the Sierra Nevada reflected in the pristine mountain water, they are now greeted by millions of black balls that cover the surface.

After four years of record-setting drought and statewide low reservoir levels. "The Ghosts of Hetch-Hetchy" by Gene Rose Damming Hetch Hetchy by John Muir, unpublished journal entry, c.

"Hetch Hetchy Valley," by John Muir, Boston Weekly Transcript, Ma "The Hetch-Hetchy Valley," by John Muir, Sierra Club Bulletin, January, "Hetch Hetchy Valley" by John Muir - from his book, The Yosemite.

Dam. Water, Power, Politics, and Preservation in Hetch Hetchy and Yosemite National Park book. Read 2 reviews from the world's largest community for read /5.

Note that over the last 25 years other California urban agencies have developed more than 1, acre-feet of dry year supply—more than 18 times the amount of water required to restore Hetch Hetchy Valley—through a combination of surface storage, groundwater storage, water purchases and water recycling programs.

Search for other Water Supply Systems on The Real Yellow Pages®. Get reviews, hours, directions, coupons and more for Hetch Hetchy Water & Power at 1 Lakeshore Dr, Moccasin, CA Search for other Water Supply Systems in Moccasin on The Real Yellow Pages®.Location: 1 Lakeshore Dr, Moccasin,   In John Muir published his collection The Yosemite, which included “Hetch Hetchy Valley,” his essay singing the glories of the “other” Yosemite Valley and an argument against the construction of a dam that would flood the basin in order to provide water for San city had originally requested permission from the federal government to build a.

21st Street, Suite Sacramento, California Telephone () Fax () Contact Us via our website. In most areas of the country municipal water must be filtered AND treated.

Whether or not it has first been filtered, public water must then be treated to achieve a % reduction in pathogens. That rule applies to Hetch Hetchy water as well.

Hetch Hetchy water used in cities has always been treated, at least in recent decades.The Hetch Hetchy Valley similarities of Hetch­Hetchy to Yosemite Valley, was eventually included as Chapter 16 of Muir's book, The Yosemite.

water in .It is named for the chief engineer of the Hetch Hetchy Project. The lake stretches for about eight miles on the Tuolumne River and is a source of water for people who live in San Francisco, San Mateo, and Alameda Counties about miles away.