Meant this comment for the integrated snowpack and reservoir view. Im curious why the percentage of capacity has stayed almost flat for the past 6 weeks or so and below historical average. 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? They are draining it currently so that it can serve as that overflow if needed given how much rain is coming down and expected over the next week. The north (side of the reservoir) usually has two waterfalls going at the best of times, but youll see up and down the canyon walls, if you look close, you count there are about 12 waterfalls running now, said Steve Ritchie, the SFPUCs assistant general manager of water enterprise, during a recent drought report to the agencys governing board. She has been with SFGATE for more than 10 years. Thanks for providing it for public information. Greetings from Mount Laurel New Jersey. Remaining Capacity text in the legend should be brown? A question: the Historical Avg*, is it the value of year-today or natural year? 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. Each row represents one reservoir, with bars showing how much of the reservoir is filled (blue) and unfilled (brown). California drought: Charts show where reservoir levels stand after a dry January, Track water shortages and restrictions across Bay Area. The dam and reservoir are the source for the Hetch Hetchy Aqueduct, which provides water for over . Water is rapidly flowing into the state's reservoirs. The Bay Area portion of the System includes water collection, treatment, and transmission facilities from the Alameda East Portal to the wholesale service area and terminal reservoirs in San Francisco. I dont know if weve seen anything like this in October before.". As of Feb. 1, the systems total water storage was just over 1.3 million acre-feet, or about 92% of capacity. Impounded by O'Shaughnessy 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. 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. Department of Water Resources is just another in a long line of completely mismanaged California entities. Units are in kaf, thousands of acre feet. Monitoring location 11277200 is associated with a LAKE, RESERVOIR, IMPOUNDMENT in TUOLUMNE COUNTY, CALIFORNIA. In 2016, a Tuolumne County Superior Court judge dismissed the Another not monitored by the State? You dont see runoff right away, the snow is still up there, frozen, doing what we want it to do, he said. Prior to The Chronicle, she worked as a data journalist for Honolulu Civil Beat, a watchdog news organization covering the Hawaiian islands. The blue line indicates the reservoirs water level one year ago today. After record snowfall in December was followed by a dry January, there are renewed concerns of drought. I notice Briones Reservoir is not on the list. May 24, 2022 - BAWSCA Statement About the Adoption of a Systemwide Water Use Reduction of 11%. Restoring Hetch Hetchy will require some changes in how San Francisco moves and stores water. Other California water agencies have done far more to reduce the impact of their system on Mono Lake, the Trinity and San Joaquin Rivers, and the Bay-Delta. The reservoir is now projected to cost $4.4 billion, with Prop. How can I apply to SFPUC? The new 68-mile (109 km) railroad wound its way up the narrow canyon of the Tuolumne River past sharp curves and up steep 4% grades. The upcountry portion of the System begins with Hetch Hetchy Reservoir in Yosemite National Park. Its fluctuating between ~107% and ~20% from one hour to the next (reading 107.6 atm). Thats a very poor design. 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. 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. currently, there is a lot more water coming in than going out. How Fast Are California Reservoirs Filling Up? Secure .gov websites use HTTPS Kudos to the designers. Spring snowmelt runs down the Tuolumne River and fills Hetch Hetchy, the largest reservoir in our water system. The maximum that the city has put away is 570,000 acre-feet of water. Hi Keith, you could de-select the large reservoirs from the menu at the top right. For the first week of February, there was a slight increase for most reservoirs from January amounts. Should be fixed at some point. Folsom Lake is letting the water flow out. "It was a very healthy shot in the arm. } This is of particular interest as the self-imposed restrictions deadline is approaching and the federal government may have to step in and mandate restrictions across the 7 states, including California. For perspective, water demand across the SFPUCs service area of 2.7 million people was about 205,000 acre-feet last fiscal year. 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. The Bay Area transmission system also includes Irvington Tunnel 1 and Tunnel 2, the Bay Tunnel, and the Crystal Springs Bypass Tunnel. While constructed and owned by San Francisco, the water system was in fact planned to benefit the greater San Francisco Bay Area population. reservoir violates the California Constitution specifically the Northern California's reservoir levels continued to rise in the week after an atmospheric river slammed the state with torrential rain and high winds. So on Jan 10 were at 82% of the average for Jan 10. Hetch Hetchy Reservoir in Yosemite was 69 percent full on Tuesday, 150 percent of normal for this time of year. rejected by an appellate court and the California Supreme Court This is my first year watching the levels, so maybe Im missing something. It used to be full (and beyond). He frequently writes about water, wildfire, climate and the American West. After the reservoirs David Rizzardo, hydrology section manager for the California Department of Water Resources, said there are a lot of factors that affect reservoir storage. pertained to water that was wasted, and there was no claim that 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? Ronald Reagan and George W. Bush. 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. Water data back to 1930 are available online. Then it has the appearance of something filling up, while still providing all the detail. Could you also do the same for the Colorado River reservoirs to see how they are fairing? So they should be saving much more and deal with the .000001 of risk later. California reservoir levels: . over the past few days. . If we reach 100% after the current rains and then it stops raining for the season, then our percentage will start going down. 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. The water travels through a series of pipelines before it reaches the Bay Area and blends with five local reservoirs. Omar, Thanks! Most local reservoir inflow timeseries are too short to calculate long-term values. lawsuit, saying Restore Hetch Hetchys arguments were preempted Waterfalls gushed at Hetch Hetchy after an atmospheric river event in October 2021. Restore Hetch Hetchy intends to undo this Great American mistake, and return the valley to Yosemite National Park and all people. generates electricity for the city). San Franciscos Hetch Hetchy water system is almost full for the first time in years. Monitoring location 11277500 is associated with a LAKE, RESERVOIR, IMPOUNDMENT in TUOLUMNE COUNTY, CALIFORNIA. P.S. She was previously an engagement reporter. Data and Tools Why is it not listed? . San Francisco maintained the phrase only In the year prior to Oroville reaching capacity the interactive chart showed the rate of inflow over time. The group says the recent plethora of water shows that the city could do without Hetch Hetchy Reservoir, by using other storage facilities that have filled and pursuing new projects to capture the surplus. Python is used to extract the data from this page hourly and wrangle the data in to a clean format. Id only be interested in the totals from Oroville and Shasta. California boosts water deliveries to highest level in years, thanks to storms, California reservoir levels: Charts show water supply across the state, Track water shortages and restrictions across Bay Area. Yep. Fish and Wildlife Service that provides an immediate $4 million investment for habitat improvements for fisheries in the Tuolumne River. I am grateful for all that you have done here to open our eyes to what is happening, what has happened, and even what might be on the horizon. Draining Hetch Hetchy without depriving Bay Area residents of I find myself coming back to this every few days to check on our water . This system encompasses more than 1,250 miles of distribution pipelines, as well as 12 in-City reservoirs and eight water tanks with a total storage capacity of approximately 413 million gallons. A .gov website belongs to an official government organization in the Echoing the sentiments of famed naturalist John Muir, members say the glacially-carved Hetch Hetchy Valley that the reservoir sits in is comparable in grandeur to Yosemite Valley and should not be flooded. Thats enough to supply the citys service area for perhaps seven years. Call 209-372-0200 for the latest road and weather conditions, Hetch Hetchy Road Daily Hours: 8 am to 5 pm 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. . That puts it at 84 percent of where it would usually be usually at this time of year. Diamond Valley Lake is a man-made storage reservoir for storing imported water only. 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. Current as of October 03, 2022 | Updated by . They are releasing water into the canals. 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. Thank you for the time and effort in creating the graphs. Hours: Year-round, but only accessible by car when the Hetch Hetchy Road is open. Winter weather conditions may cause road closures. Whats going on with the water level at Oroville? I will take a look and see if there are other important reservoirs missing and may add them in the future. proposed as a source of water following the 1906 San Francisco Folsom is like an overflow tank. Take CA Highway 120 from the park toward Groveland. For example, Hetch Hetchy Reservoir in Yosemite National Park provides 85 percent of San Francisco's total water needs. Voters rejected a 2012 The SFPUC hoards water in dry years when they dont need to, said Peter Drekmeier, policy director at the conservation group Tuolumne River Trust. 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. Locked padlock It carried workers and materials for the dam, as well as tourists, postage and other amenities. For some strange unknown reason, they are not allowing the lake to fill up. Even with the latest precipitation, Folsoms values was unchanged. It certainly looks dry at least until the last week in February, he said. The valley is San Francisco voters have demonstrated their opposition to Jeff, the average changes daily as well. This chart only shows reservoirs filled via natural flow/rainfall. More about the Tuolumne River Voluntary Agreement can be found athttp://www.tuolumnerivermanagementplan.com. Trailhead coordinates: 37.946905, -119.787376 (37 56 48.85N 119 47 14.55W) Trinity Lake, with a capacity of 2,447,650 acre-feet, had the smallest increase, from 29% in December to 30% in January.

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