FAQ: Which Water Supply Can Replace For Hetch Hetchy Dam?

Where does Hetch Hetchy get its water?

Eighty-five percent of the water comes from Sierra Nevada snowmelt stored in the Hetch Hetchy reservoir situated on the Tuolumne River in Yosemite National Park. Hetch Hetchy water travels 160 miles via gravity from Yosemite to the San Francisco Bay Area.

What major city receives water from the Hetch Hetchy dam?

Located in the northwest portion of Yosemite National Park, Hetch Hetchy refers to a valley in the Sierra Nevada and a reservoir that supplies water to the San Francisco Bay Area.

Which city receives its freshwater supply directly from the Hetch Hetchy Aqueduct?

A: From the Tuolumne River, just as it does now. The San Francisco regional water system currently receives 85% of its supply from the Tuolumne River watershed. San Francisco stores its Tuolumne River supplies in four reservoirs—Hetch Hetchy, Cherry, Eleanor and Don Pedro.

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What happened to Hetch Hetchy dam?

Despite opposition from many citizens, including most of the nation’s leading newspapers, Congress passed the Raker Act in 1913 allowing the city of San Francisco to destroy Hetch Hetchy. The City built a dam and reservoir, drowning this beautiful valley, even though other less-damaging sites existed.

Can you swim in Hetch Hetchy?

Water Quality: Swimming and boating are prohibited in Hetch Hetchy Reservoir in order to maintain a clean source of drinking water. Fishing: Fishing is allowed year-round in most lakes and the Hetch Hetchy Reservoir and part of the year in most rivers and streams.

Is Hetch Hetchy water good?

Well, the good news is that our famed Hetch Hetchy supply is good to the last drop after all. The EWG report on the San Francisco City Water System (which excludes the Presidio and Treasure Island, for the record) records only nine types of contaminants, and only three at potentially alarming levels.

Will Hetch Hetchy ever be restored?

As the habitat is restored, animals will migrate home and the twin of Yosemite Valley will re-emerge in the light of the 21st century. Families from around the world will be able to return to Hetch Hetchy Valley year after year to witness a national treasure coming back to life.

What is the Hetch Hetchy controversy?

Between 1908 and 1913, Congress debated whether to make a water resource available or preserve a wilderness when the growing city of San Francisco, California proposed building a dam in the Hetch Hetchy Valley to provide a steady water supply.

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What is the name of the dam at Hetch Hetchy?

Hetch Hetchy is dammed by the 430-foot-tall O’Shaughnessy Dam and has a storage capacity of 360,360 acre-feet. It is the primary water source for about 2.5 million residents of the San Francisco Bay Area.

Can you drink tap water in Milpitas?

City of Milpitas For the latest quarter assessed by the U.S. EPA (January 2019 – March 2019), tap water provided by this water utility was in compliance with federal health-based drinking water standards.

How does the Bay Area get water?

Hetch Hetchy water travels 160 miles via gravity from Yosemite to the San Francisco Bay Area. The remaining 15 percent of water comes from runoff in the Alameda and Peninsula watersheds. This local water is captured in reservoirs located in San Mateo and Alameda counties.

Who was the biggest opponent of the dam at Hetch Hetchy?

Led by naturalist and mountaineer John Muir, the Sierra Club adamantly opposed the city of San Francisco as it sought permission from the federal government to build a dam in the valley.

Why is it called Hetch Hetchy?

The name “Hetch Hetchy” is derived from the Miwok word “hetchetci”, describing seeds from a prominent grass growing in the valley and from which a mush was made. Paiutes and Washoes regularly visited Hetch Hetchy as well – the name Ahwahnechee is sometimes used for the Native Americans who lived in the Yosemite area.

Was the Hetch Hetchy dam Removed?

The removal of the Hetch Hetchy dam and reservoir isn’t even in the planning stages yet; the measure on November’s ballot simply asked voters to earmark money for research and design of a new water system to take the place of the reservoir.

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