environmental context. Omar, Thanks! United States. I like the comparisons of last year, and the historical average. I dont know if weve seen anything like this in October before.". The question was, what constitutes unreasonable method of Wonderful site. February 21, 2023 - BAWSCA Statement on State Water Resources Control Board'sSchedule for Consideration of a Voluntary Agreement for the Tuolumne River. Official websites use .gov As it is, at first glance, it looks like shasta is at the top because its 28000 instead of 4552. very nice product overall. At this facility, which is shared with other water agencies, the city can stash water for credits against future draws on the river. Just a wistful thought, it would be really cool to graph the water release statistics. The SFPUC has also raised concerns over the fishery benefits of the States Plan. Best of luck out there in California! The trail takes you to the base of Wapama Falls, passing two smaller waterfalls (during spring) on the way. In 2007, the Bush It seems likely one of those two readings is wrong. This other page: https . Monitoring location 11277200 is associated with a LAKE, RESERVOIR, IMPOUNDMENT in TUOLUMNE COUNTY, CALIFORNIA. http://www.tuolumnerivermanagementplan.com. Therefore flood control agencies take the more conservative route and order the release of water. If you click on the list button in the top right of the dashboard, it will show a list of the reservoirs (in order of size from largest to smallest) and you can check which ones you would like to display. It used to be full (and beyond). Much of the water passing through Holm would be diverted into the Mountain Tunnel and be used to generate power a second time at the Moccasin powerhouse. Love this. 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. The Hetch Hetchy reservoir, which supplies water for San Francisco and other parts of the Bay Area, was at 77% of its 360,000-acre-feet storage capacity in January compared to 73% in December, and on Feb. 7, it was up to 82%. use must be reasonable.. I noticed that Folsom does not change whereas every reservoir changes on an hourly update. Article X, Section 2 that requires diversions for all water If you look at this chart for Hetch Hetchy, you can see that the biggest and steadiest rise is between March and July, https://waterdata.usgs.gov/monitoring-location/11275500/#parameterCode=00054&period=P365D&compare=true. But tearing down O'Shaughnessy Dam in order to restore Hetch Hetchy Valley would be a disaster. Add a button to convert the row heights to log scale. Locked padlock window.addEventListener("orientationchange", function() { Historical average is near unattainable these days. 2151 River Plaza Drive, Suite 205 Hetch Hetchy has generated controversy since it was first This is a great and very thoughtfully designed web site! 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. For some strange unknown reason, they are not allowing the lake to fill up. An official website of the United States government. According to the San Francisco Public Utilities Commission, Hetch Hetchy Reservoir can store as much as 117 billion gallons for the Hetch Hetchy Regional Water System, which serves San Francisco, Santa Clara, Alameda and San Mateo counties. This website along with another shows that Eastmans level is still rising even though we have not had rain in more than a week. Navigation and Navigable Waters 33.208.82 Hetch Hetchy, Cherry Valley, and Don Pedro Dams and Reservoirs. 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. 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? Is the Stanley Quencher tumbler worth its TikTok hype? This would allow us to see important, but noise-level reservoirs like hetch hetchy. It didnt end the drought, but it was definitely really good," said Ritchie. located in a national park and it passed the Raker Act in 1913 to You can also use it to monitor only the reservoirs you are most interested in. I havent spent much time looking at it but that data is on the CDEC website. Are they releasing water to relieve the pressure in anticipation of more water? Monitoring location 11275500 is associated with a LAKE, RESERVOIR, IMPOUNDMENT in TUOLUMNE COUNTY, CALIFORNIA. Sierra Club unsuccessfully fought the reservoirs establishment Delivering approximately 260 million gallons of water per day, the regional system consists of over 280 miles of pipelines, over 60 miles of tunnels, 11 reservoirs, five pump stations and two water treatment plants. But I would never have imagined how to put all the important information into a single plot. Over the summer, Gov. Only improvement I would suggest is an improvement of the display of the smaller reservoirs so the names are readable. You dont see runoff right away, the snow is still up there, frozen, doing what we want it to do, he said. Central Valleyfarms have installed enough drip irrigationstrips to reach the moon and back, an improvement that also enables more efficient application of fertilizer and pesticides. Constitution used to support the arguments to remove the dam was A separate vote would have been She is a University of Washington graduate. Hetch Hetchy is one of nine reserviors in a water system that serves San Francisco and other Bay Area communities. }, false); Lake Tahoe really isnt part of California water, as the outflow goes to Nevada. Thank you so much for the hard work! LK ELEANOR NR HETCH HETCHY CA. His recent work has examined the impacts of drought, threats to public lands and wildlife, and the nation's widening rural-urban divide. This is wonderful information. May 24, 2022 - BAWSCA Statement About the Adoption of a Systemwide Water Use Reduction of 11%. Long-term values for reservoir inflows use maximum number of complete water years in record. Lake Mendocino, which has a capacity of 122,400 acre feet, saw the biggest boost from 17% of storage capacity in December to 35% in January. It does not meet the California definition of renewable energy. Didnt realize how bad things were there. A dry January with little rainfall across much of Northern California actually didnt hurt the states water storage levels, according to data from the California Department of Water Resources. Meanwhile, the group Restore Hetch Hetchy is urging the SFPUC to abandon Hetch Hetchy Reservoir. So many facets beautifully chartered. I would turn this graph, 90 counterclockwise, and start the capacity along the bottom axis from left to right, with the biggest reservoirs on the left and the smaller ones on the right. Stay up-to-date with breaking news and upcoming events. Even with the latest precipitation, Folsoms values was unchanged. 7 days 30 days Not only does it supply 85 percent of the water for 2.6 million people in San Francisco, controlled releases via the O'Shaughnessy Dam are helping preserve downstream specieseven in dry . How can I match up other monitoring locations similar to the ones on this Interactive Dashboard? Kellie Hwang is the newsletter editor for The San Francisco Chronicle. 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. Different presidential administrations also have tried to address The SFPUC gets the bulk of its water from a network of reservoirs in the central Sierra Nevada that have long altered flows of the Tuolumne River and its tributaries. Great visualization Chris! Reservoir behind OShaughnessy Dam does not require filtration. "Some weather monitoring stations in the Feather River drainage received as much as 12 to 19 inches during the period of the storms," the department said. earthquake. Current conditions of LAKE OR RESERVOIR WATER SURFACE ELEVATION ABOVE NGVD 1929 and RESERVOIR STORAGE are available. in 2018. The blue line indicates the reservoirs water level one year ago today. Lots of possibilities, just curious. Shasta, Oroville, Hetch Hetchy and many others were built by damming large rivers. 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. Thanks for taking the time to do that. 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. Sometimes this is well done sometimes it is poorly done. Hetch Hetchy water travels 160 miles via gravity from Yosemite to the San Francisco Bay Area. San Francisco and the thousands of suburban . Read more about the data team and their work. From the main road, it's about a 20- to 25-minute drive to the parking area. 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. Hetch Hetchy Regional Water System, which serves San Francisco, Saved to my favorites now. I love this this site too. I am new to the state. A different story is unfolding at Hetch Hetchy reservoir in Yosemite National Park, where water is being released to conserve and restore wildlife. Reservoir levels rising. Also, do they provide inflows and outflows for locations? Shasta is the reservoir with the largest capacity and so it is the tallest row. Next feature request: wire in aquifer level data! Hi, I started by using this page (https://cdec.water.ca.gov/reportapp/javareports?name=RES) to determine which reservoirs to include and for some reason Almanor isnt on the list. You can sort the mekko graph by size largest at the top to smallest at the bottom or by reservoir location, from north to south. Thanks for the link. It would be really interesting to visualize whether were able to replenish ground water this year after all the precipitation. While the long-term voluntary agreement work continues, the SFPUC does not want to wait to restore the Tuolumne Rivers ecosystem. function reloadiframes(){ By a large measure, damming and flooding Hetch Hetchy is the most significant damage ever allowed in any of our national parks. The citys water system also includes a water bank at Don Pedro Reservoir along the Tuolumne River, which was full as of Feb. 1. In the year prior to Oroville reaching capacity the interactive chart showed the rate of inflow over time. They are releasing water into the canals. California snowpack hits highest level this century for March. 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.

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