Sacramento CA 95833, Everything about California water that matters, Western States Water Agencies and Districts. Exclusive: Stunning photos show Yosemite National Park under 15 feet of Warriors treating Andrew Wiggins with understandable patience, but his California snowpack hits highest level this century for March, could Map shows which parts of California exceeded entire years worth of rain, Map shows stunning improvement in California drought, Last chance to see: Bay Bridge lights turn off on Sunday. The tremendous inflow to city reservoirs during the recent storms, mostly in and around Yosemite National Park, has lifted San Franciscos total water storage to near capacity. Yoohyun Jung is the Deputy Data Editor for The San Francisco Chronicle. Water data back to 1956 are available online. BAWSCA agencies also are implementing water conservation and water recycling projects to help preserve this precious resource for their communities, and are working to identify alternate sources of water supply. These sources include surface water stored in reservoirs located in the Sierra Nevada, Alameda County and San Mateo County, and groundwater supplies stored in a deep aquifer located in San Francisco and San Mateo counties. Take CA Highway 120 from the park toward Groveland. around the Bay Area rely on the Hetch Hetchy Regional Water Several cities and water agencies that are now part of BAWSCA urged Congress to pass the Raker Act in 1913, the law that allowed federal lands in the Sierra Nevada Mountains, including Hetch Hetchy Valley in Yosemite National Park, to be used to build the water system. For detailed analysis of how San Franciscos water system will operate without Hetch Hetchy reservoir, see the Environmental Defense Funds studiesParadise RegainedandCherry Intertie Alternative. Read more about the data team and their work. The reservoir is now projected to cost $4.4 billion, with Prop. construction in the 1920s, various groups have lobbied to restore The upcountry portion of the System begins with Hetch Hetchy Reservoir in Yosemite National Park. The reservoir was at 75 percent capacity as of May 5, totaling 269,963 acre-feet of water (an acre-foot is nearly 326,000 gallons). Monitoring location 11275500 is associated with a LAKE, RESERVOIR, IMPOUNDMENT in TUOLUMNE COUNTY, CALIFORNIA. ) or https:// means youve safely connected to the .gov website. Sierra Nevada snowpack at 93 percent of normal - The Mercury News A Map and Guide to Hetch Hetchy Reservoir at Yosemite - TripSavvy document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Subscribe to receive email notifications of new content. United States. This other page: https . proposed as a source of water following the 1906 San Francisco Add a button to convert the row heights to log scale. "This was rare for October. draining the reservoir to court, arguing in 2015 that the 9 of 12 10 of 12 Hetch Hetchy Reservoir with Wapama Falls near Groveland, Calif. on Wednesday March 12, 2014, is currently at fifty percent of capacity. According to the San Francisco Public Utilities Commission, Hetch Is it because the laws have changed on how much each reservoir can hold or is it in anticipation of significantly more rain? The middle portion of the watershed from New Don Pedro Reservoir to above Hetch Hetchy Reservoir is characterized by deep canyons and forested terrain. Water data back to 1956 are available online. In response to the Bay-Delta Plan, the SFPUC and the Modesto and Turlock Irrigation Districts have proposed the Tuolumne River Voluntary Agreement, a combination of flow and non-flow measures sufficient to improve all life-stages of native fish populations in the lower Tuolumne River. Another not monitored by the State? At the height of the recent drought, they still had at least four years in storage. And for the years they were hoarding water, the salmon-based ecosystem suffered.. Draining Hetch Hetchy without depriving Bay Area residents of Only improvement I would suggest is an improvement of the display of the smaller reservoirs so the names are readable. At times, nearly 90% of the flow of the Tuolumne River is piped off by the SFPUC and other water agencies in the region. Wife of missing Bay Area radio host says Jeffrey Vandergrift will not Sen. Dianne Feinstein is hospitalized in San Francisco with shingles, California extends deadline to file 2022 income taxes to match IRS decision, Here's where California reservoir levels stand after this week's rains, Going to Tahoe this weekend? I am new to the state. Current conditions of LAKE OR RESERVOIR WATER SURFACE ELEVATION ABOVE NAVD 1988, LAKE OR RESERVOIR WATER SURFACE ELEVATION ABOVE NGVD 1929, and RESERVOIR STORAGE are available. The half-hour drive to Hetch Hetchy from CA Highway 120 begins outside the park boundaries. March 12 - The Perks of California Native Wildflowers, March 28 - Rainwater Harvesting and Rain Gardens, April 01 - Lawn Conversion to Native and Drought-Tolerant Plants. Current conditions of LAKE OR RESERVOIR WATER SURFACE ELEVATION ABOVE NGVD 1929 and RESERVOIR STORAGE are available. diversion of water? Restore Hetch Hetchy claimed the phrase had Lock a broad meaning that had been previously applied in an The Hetch Hetchy Reservoir that supplies San Francisco, seen here in February, is among those that have refilled after two months of storms. window.addEventListener("orientationchange", function() { The main reason for the discrepancy, the department said, is that the focus of the atmospheric river was generally between the Golden Gate and Mount Lassen, meaning that the Feather River watershed received much more rainfall than the Shasta Lake drainage area. Just trying to learn here Thanks so much! 1 covering up to $875 million and much of the rest coming from federal loans to water suppliers. "It's an increase of a few percent, . Much of the recent inflow was to Hetch Hetchy, which can hold. For example, Hetch Hetchy Reservoir in Yosemite National Park provides 85 percent of San Francisco's total water needs. Regional Watersheds | SFPUC The construction of the Hetch Hetchy Railroad took place from 1915 to 1918. . I second that request. Current conditions of LAKE OR RESERVOIR WATER SURFACE ELEVATION ABOVE NGVD 1929 and RESERVOIR STORAGE are available. It is on the graph. Its not possible to see or really interact with the tiniest slivers. Secure .gov websites use HTTPS The worst possible scenario is it just remains completely dry. For the first week of February, there was a slight increase for most reservoirs from January amounts. This was helpful to project seasonal trends & storm impacts. Restore Hetch Hetchy supports a power replacement plan that is truly renewable, and will not increase emissions of any pollutants or carbon that causes global warming. It looks like the red and blue lines are backwards on Folsom. And the current water storage amounts are well below the historical averages for this time of year. Thanks for taking the time to do that. Historical average is near unattainable these days. . I also added the ability to select specific reservoirs to display on the graph and share a custom URL which will point those selected reservoirs (click on list button on top right of dashboard). An official website of the United States government. Locked padlock Hetch Hetchy water travels 160 miles via gravity from Yosemite to the San Francisco Bay Area. The maximum that the city has put away is 570,000 acre-feet of water. A truly excellent project. Maintaining this variety of sources is an important component of our near and long-term water supply management strategy. They placed a few dissipators just before the river. scenic mountain valley in a national park. Theyve also seen drought surcharges on their water bills. Could you also show each reservoirs level as a function of time? https://waterdata.usgs.gov/monitoring-location/11275500/#parameterCode=00054&period=P7D. That said, most of its outflow makes its way down Feather River (via Rock Creek Reservoir) and ultimately into Orville. At the beginning of this water year, which started on October 1, 2022, the state's largest water reservoir, Lake Shasta, was a third full, at 33 percent. Nate, thanks for the insight. Data have been checked by the reporting agency. May 24, 2022 - BAWSCA Statement About the Adoption of a Systemwide Water Use Reduction of 11%. Click here for the SFPUC's 2020State of the Regional Water System Report. This dashboard is great! I have to agree with many people here what a great job making such a clear graph of whats happening. I live in the central valley. Hetch Hetchy today | Restore Hetch Hetchy What happened to the Hetch Hetchy level? Required fields are marked *. Folsom Lake is letting the water flow out. How can I match up other monitoring locations similar to the ones on this Interactive Dashboard? Congress had to approve the project because it was and its snowmelt-fed water supply, water from Hetch Hetchy If you are on a mobile device you can tap the reservoir to get that same info. Due to its high-altitude location at 3,900 feet above sea level in 2018. I see many of the local canals flowing with lots of water. At the same time, theyve also said its critical to maintain sufficient water supplies to keep Bay Area communities and its economy running during a prolonged drought. currently, there is a lot more water coming in than going out. Curious why Shasta lake seems to be making big gains in water coming in and Trinity not so much? SFPUC said as of this week, the Hetch Hetchy reservoir is at 92 percent capacity. HETCH HETCHY RES A HETCH HETCHY CA - USGS Water Data for the Nation David Rizzardo, hydrology section manager for the California Department of Water Resources, said there are a lot of factors that affect reservoir storage. The recent spate of storms lifted the statewide snowpack to 190% of average for the start of the month, and more snow is on the way. Located within the boundaries of Yosemite National Park, the reservoir saw a sizable 21.31-foot bump in its water level and gained 36,300 acre-feet, according to Tuesday data from the U.S. Geological Survey. The reservoir is eight miles long and the largest single body of water in Yosemite. So included in DWR #S. Hetch Hetchy Reservoir (Yosemite National Park) - Tripadvisor If you are on a computer, you can hover your cursor over a reservoir and the dashboard at the top will provide information about that individual reservoir. function resizeframe(){ sends student to hospital, Heres how much rain and snow is on the way this weekend, Your Privacy Choices (Opt Out of Sale/Targeted Ads). The problem is that we have no idea of knowing ahead of time what kind of storms well have and how long theyll last, but the reservoir operators have to be super careful and extra cautious, so they periodically let the water flow out. environmental context. CHERRY LK NR HETCH HETCHY CA - USGS Water Data for the Nation Great visualization Chris! If you are reading this, its probably the winter rainy season in California again, and time to check on the status of the water in the California reservoirs. The area around Shasta has more volcanic soils that absorb rainfall than the Feather River drainage. GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System. One of the most impressive was Hetch Hetchy, which provides drinking water to 2.6 million people in San Francisco and other Bay Area communities. provides water to 2.7 million residents and businesses in the San Updated to include drought zones while tracking water shortage status of your area, plus reservoir levels and a list of restrictions for the Bay Areas largest water districts. Wife of missing Bay Area radio host says Jeffrey Vandergrift will not Sen. Dianne Feinstein is hospitalized in San Francisco with shingles, California extends deadline to file 2022 income taxes to match IRS decision, Going to Tahoe this weekend? This is a marimekko (or mekko) graph which may take some time to understand if you arent used to seeing them. The gain came after weather gauges in the area recorded more than 5 inches from one storm. Top ways to experience Hetch Hetchy Reservoir and nearby attractions Yosemite: Audio Driving Tour 1 Full-day Tours from $9.99 per group (up to 8) Private Yosemite Explorer Package | 3 Days of Adventure 3 Private and Luxury from $750.00 per adult (price varies by group size) Private Family Photo Day in Yosemite 78 Recommended Full-day Tours from San Franciscos water system, which includes Hetchy Hetchy, is expected to fill this winter for the first time since 2019. She has been with SFGATE for more than 10 years. Is that from melting snow and rain water coming from the mountains and filling it up? Privacy Policy | 2011-2021 San Francisco Public Utilities Commission. It used to be full (and beyond). Amy Graff is the news editor for SFGATE. Is California's Drought Over? Here's What You Need To Know About Rain Thats just another very strong indication visually that its a big water year.. Hetch Hetchy Regional Water System, which serves San Francisco, Thats up more than 400,000 acre-feet since early December, before the unrelenting series of atmospheric river storms blew through California between Christmas and mid-January. Previously, Kellie covered dining news and trends, visual arts, events and nightlife for the Arizona Republic, and freelanced for the former Contra Costa Times. The advocacy group Restore Hetch Hetchy took its case for If you look at the inflow data on the major reservoirs, its pretty flat. But the growing water reserves dont please everyone. John Muir and the This is an excellent tool you have put together. There are no alerts at this time. Hoping they start building more reservoirs soon. What's taking so long to build a California reservoir? - CalMatters While it may seem that Decembers production could get us through the rest of the season, Rizzardo explains that in hydrology, you need consistent water shed to keep soils happy. He fears that without more precipitation this season, well enter our third very dry year. Over the summer, Gov. We provide water directly to customers in San Francisco and wholesale through 26 Water agencies in Alameda, Santa Clara, and San Mateo counties. I know this might be difficult to display but Im very curious on the actual amounts of water consumed on a monthly basis and if this is somehow processed in a certain between what is agricultural and what is non-commercial etc? Wonderful site. Hetch Hetchy System - BAWSCA Kudos to the designers. I do not see Diamond Valley Lake Resevoir on this page. This file photo shows Shasta Lake. Amid Drought, Century-Old Fight Over Hetch Hetchy Reservoir Simmers On Much of the recent inflow was to Hetch Hetchy, which can hold about 360,000 acre-feet of water and was 83% full at the start of the month. Thanks for the prompt reply! Upcountry and the Bay Area. Thats a great suggestion and one that would be particularly helpful! } November 10, 2022 - BAWSCA Statement on State Water-Policy Officials, SFPUC, and Districts Sign MOU for Tuolumne River to Help Recover Salmon While Protecting Water Reliability. Call 209-372-0200 for the latest road and weather conditions, Hetch Hetchy Road Daily Hours: 8 am to 5 pm Storage and Delivery Updates | SFPUC hetch hetchy reservoir level percentage - Examiner This is the first state (of 6 I have lived in) that has had water police and restrictions. How Much Water is in California Reservoirs? All of this work is nothing short of brilliant. Californias largest water agencies, in both the urban and agricultural sectors, have invested in ambitious groundwater banking programs inKern County. Hetch Hetchy is Monitoring location 11275500. The Bay Area's main reservoir is up 21 feet. San Francisco Should Pay Yosemite the Dam Rent - perc.org Water data back to 1930 are available online. maybe label the vertical axis with aggregate total or system total capacity. The OShaughnessy Dam, which was completed in 1938 and is 430-feet tall, impounds water in Hetch Hetchy Reservoir for communities in the Bay Area. Rizzardo said there was a decent amount of flow into the reservoirs into January, even though weather-wise it was bone dry, a result of lower elevation snow at 4,000 to 6,000 feet making its way into the reservoirs. This is a very clear graph and I cannot imagine the hours you have put in while setting it up and doing the maintenance. Should be fixed at some point. Shasta is the reservoir with the largest capacity and so it is the tallest row. The blue line indicates the reservoirs water level one year ago today. How do I contact support? Its just small enough that the name doesnt appear as the bar is too thin. Gavin Newsom asked all California residents to voluntarily reduce use by 15% compared with use in 2019. So on Jan 10 were at 82% of the average for Jan 10. . We own and operate the Hetch Hetchy Regional Water System which serves 2.7 million customers. generates electricity for the city). "In contrast, the Shasta Lake drainage had only a couple of stations in excess of 10 inches whereas most received less. If we reach 100% after the current rains and then it stops raining for the season, then our percentage will start going down. The windfall of water is welcome news for households and businesses in San Francisco, which use less water on average compared to the rest of the state but nonetheless have faced calls to cut back since 2021 because of water shortages. This other page: Born in Seoul, Yoohyun began her career in Arizona, where she worked for two of the state's largest newspapers covering various beats, including criminal justice and education. And while one storm didn't come close to ending the drought, some reservoirs in Northern California, especially those that fell right in the path of the storm, saw significant gains. P.S. }, false); Lake Tahoe really isnt part of California water, as the outflow goes to Nevada. Hetchy Reservoir can store as much as 117 billion gallons for the Thank you for a beautiful job. Official websites use .gov You can also share a custom URL by clicking the Save URL button which will put the custom URL into the URL bar of your browser which you can then copy and share. Fish and Wildlife Service that provides an immediate $4 million investment for habitat improvements for fisheries in the Tuolumne River. She was born and raised in the Bay Area and got her start in news at the Daily Californian newspaper at UC Berkeley where she majored in English literature. You can find the charts below from the California Department of Water Resources website. Its essential to understand that the dispute over San Franciscos use of Hetch Hetchy is not about the use of water only how it is stored. Our flagship blog features analysis of news from our staff and announcements of upcoming events. Different presidential administrations also have tried to address This is my first year watching the levels, so maybe Im missing something. globe.height = globe.contentWindow.document.body.scrollHeight+40+"px"; Begin at O'Shaughnessy Dam. I think the problem is with the CDEC database (as the LakesOnline website also has had incorrectly high information). Its currently listed on this page as 29kaf full, but the usgs.gov page below says Hetch Hetchy is at 299.7kaf full. Thank you so much for the hard work! Compared to the historical snowpack for this time of year, the May 2021 survey shows that we are only 2 to 5 percent of normal. Great Job on this site! It allowed the water over the spillway to move too fast creating a vacuum between the water and the concrete that pulled the concrete sections out of the spillway. If we reach 100% after the current rains and then it stops raining for the season, then our percentage will start going down. Its fluctuating between ~107% and ~20% from one hour to the next (reading 107.6 atm). Thats a very poor design. The Water Education Foundation is a nonprofit, tax-exempt, It was at 60 percent as of March 1 and rising, according to the Bureau of Reclamation. It used to be full (and beyond). At the moment, I am not interested in the debate. ) or https:// means youve safely connected to the .gov website. The citys water system also includes a water bank at Don Pedro Reservoir along the Tuolumne River, which was full as of Feb. 1. "It was a very healthy shot in the arm. After record snowfall in December was followed by a dry January, there are renewed concerns of drought. Charts from the California Department of Water Resources show conditions at key state reservoirs on Oct. 22 (left) and on Nov. 2 (right). Restore Hetch Hetchy intends to undo this Great American mistake, and return the valley to Yosemite National Park and all people. Impounded by OShaughnessy Dam, Hetch Hetchy Reservoir water passes through hydroelectric powerhouses before it enters the San Joaquin Pipelines, the Tesla Ultraviolet Treatment Facility, and the Coast Range Tunnel on its journey to the Bay Area. best to drain the valley. I notice Briones Reservoir is not on the list. And more work is underway. More about the Tuolumne River Voluntary Agreement can be found athttp://www.tuolumnerivermanagementplan.com. Article X, Section 2 that requires diversions for all water In the year prior to Oroville reaching capacity the interactive chart showed the rate of inflow over time. System for more than 60 percent of their drinking water. Isabella is filling quite slowly in order to test out the new $500 million spillway. I dont know if weve seen anything like this in October before.". Your Privacy Choices (Opt Out of Sale/Targeted Ads). Great URL. Secure .gov websites use HTTPS Im curious why the percentage of capacity has stayed almost flat for the past 6 weeks or so and below historical average. Related articles . Francisco Public Utilities Commissions 26 wholesale customers A different story is unfolding at Hetch Hetchy reservoir in Yosemite National Park, where water is being released to conserve and restore wildlife. supplies water to the San Francisco Bay Area. mandate within Most local reservoir inflow timeseries are too short to calculate long-term values. Congressman Tom McClintock has re-introduced theYosemite National Park Equal Access and Fairness Act, a bill that would allow non-motorized Sign up to receive blog posts and other news by email.
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