The amount stored is increasing, just not by a lot. This is an excellent tool you have put together. Congress had to approve the project because it was Curious why Shasta lake seems to be making big gains in water coming in and Trinity not so much? What rates am I paying? the map graph doesnt include berryessa. The overall storage is said to have dropped by 57.4 to 56.4 (or 302 kaf). The citys water system also includes a water bank at Don Pedro Reservoir along the Tuolumne River, which was full as of Feb. 1. supplies water to the San Francisco Bay Area. Thats a very poor design. . Construction of the regional water system proceeded over the following 20 years, with water first delivered in 1934. globe.height = globe.contentWindow.document.body.scrollHeight+40+"px"; Restoring Hetch Hetchy will require some changes in how San Francisco moves and stores water. As of Feb. 1, the systems total water storage was just over 1.3 million acre-feet, or about 92% of capacity. We provide water directly to customers in San Francisco and wholesale through 26 Water agencies in Alameda, Santa Clara, and San Mateo counties. 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. Weve been at zero now for several weeks, and we really want to see that turn around., Kellie Hwang and Yoohyun Jung are San Francisco Chronicle staff writers. The water treatment facilities are Tesla Ultraviolet Treatment Facility, disinfecting the Hetch Hetchy supply; Sunol Valley Water Treatment Plant, treating the water from the Calaveras and San Antonio supply as well as the stored Hetch Hetchy supply; and Harry Tracy Water Treatment Plant, treating the water from the Crystal Springs and San Andreas supply. Heres an example of that data for Shasta, where you can see the daily inflows and outflows: 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? Very nice work. Restore Hetch Hetchy intends to undo this Great American mistake, and return the valley to Yosemite National Park and all people. Another not monitored by the State? //this function is called from the javascript from within the iframe after the contents of iframe are loaded (and after an additional 150ms delay) The judge also noted the provision of the state Shasta is the reservoir with the largest capacity and so it is the tallest row. word for a type of wild grass. Absolutely zero reason to be releasing this much water from these reservoirs. Lake Mendocino and Lake Berryessa water levels stayed the same. Some want the city to leave more water in stream channels for threatened salmon while others continue a longshot bid to shut down Hetch Hetchy Reservoir in Yosemite altogether and return the area to its natural state. 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. A .gov website belongs to an official government organization in the In whats known as the Bay-Delta Plan, state water regulators are amid a years-long effort to negotiate a policy for how much water should be kept in rivers that flow to the Sacramento-San Joaquin River Delta to meet the needs of both people and wildlife. The snowpack acts as a natural reservoir and slowly releases water.. San Franciscos Hetch Hetchy water system is almost full for the first time in years. 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. 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. "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. Forty-six percent . Californias snowpack slips below average after dismally dry January, renewing concerns about drought, Busting water limits wont cost you in Marin County: Penalties canceled as rain fills reservoirs, California snowpack hits highest level this century for March. globe = document.getElementById('mekko'); The SFPUC has voiced concerns with the Plan, as it would dramatically reduce the agencys water supply, leaving it subject to significant rationing in droughts and more extreme weather conditions brought on by climate change. 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. Why isnt Lake Sonoma included? According to the San Francisco Public Utilities Commission, Hetch Interesting. Hetchy refers to a valley in the Sierra Nevada and a reservoir that 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. Email: kalexander@sfchronicle.com Twitter: @kurtisalexander. 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. Its fluctuating between ~107% and ~20% from one hour to the next (reading 107.6 atm). Next feature request: wire in aquifer level data! Lake Shasta and Mendocino are also well below average. A lock ( This chart only shows reservoirs filled via natural flow/rainfall. More about the Tuolumne River Voluntary Agreement can be found athttp://www.tuolumnerivermanagementplan.com. reserved. The Hetch Hetchy Reservoir that supplies San Francisco, seen here in February, is among those that have refilled after two months of storms. At times, nearly 90% of the flow of the Tuolumne River is piped off by the SFPUC and other water agencies in the region. This local water is captured in reservoirs located in San Mateo and Alameda counties. I recently joined the team with Restore Hetch Hetchy as Engagement & Development Director. Reservoir Report 4,670 ft -0.02% today 100% of normal Normal Water lake or reservoir water surface elevation above ngvd 1929, ft at Cherry Lk Nr Hetch Hetchy Ca is currently 4,670 ft, approximately 100% of normal. Best of luck out there in California! 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. Los Angeles,Orange CountyandSan Josehave developed ambitious water recycling programs and have vastly improved local groundwater management. 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? 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. The Mokolumne River, which originates in the high Sierra, provides more than 90 percent of the East Bay's water and the Owens Valley in the eastern Sierra serves as a key source of water for Los Angeles. mandate within How do I contact support? their water supply would cost hundreds of millions of dollars at Much of the recent inflow was to Hetch Hetchy, which can hold. 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. 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 This other page: The Water Education Foundation is a nonprofit, tax-exempt, Ive looked at reservoir sights for years. Due to its high-altitude location at 3,900 feet above sea level Maintaining this variety of sources is an important component of our near and long-term water supply management strategy. Thats just another very strong indication visually that its a big water year.. Copyright Barry Rokeach, 2014. Therefore flood control agencies take the more conservative route and order the release of water. She has been with SFGATE for more than 10 years. Lake Oroville. Winter weather conditions may cause road closures. Love easy to read and understand information. After the reservoirs Fish and Wildlife Service that provides an immediate $4 million investment for habitat improvements for fisheries in the Tuolumne River. Begin at O'Shaughnessy Dam. Although Hetch Hetchy Reservoir is the most well-known, it stores less than 25% of the system's water. California Reservoir Levels - Dashboard and visualization showing current water levels in California reservoirs . This site is a great tool, especially as we try to climb out of these drought years. "It is unknown how much area of the Feather River and Shasta Lake drainages are impacted by hydrophobic soils.". Waterfalls gushed at Hetch Hetchy after an atmospheric river event in October 2021. Water is rapidly flowing into the state's reservoirs. Really appreciate the work you did to build this graph. A different story is unfolding at Hetch Hetchy reservoir in Yosemite National Park, where water is being released to conserve and restore wildlife. In 2021, the SFPUC and the Modesto and Turlock Irrigation Districts launched a proactive pilot program with the U.S. I find myself coming back to this every few days to check on our water . It has no natural inflow or out flow. since it required flooding a That includes the Tuolumne River, which provides water via Hetch Hetchy Reservoir to Bay Area customers. Flood control agencies (not DWR) have the most say in regard to releases. The cities, water districts and private utilities represented by the Bay Area Water Supply and Conservation Agency (BAWSCA) rely upon the Hetch Hetchy system for water to protect the health, safety and economic well being of 1.8 million citizens, businesses and community organizations. How Much Water is in California Reservoirs? Its great seeing all the reservoirs in California at or near historical averages. 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. The half-hour drive to Hetch Hetchy from CA Highway 120 begins outside the park boundaries. I was thinking that it would be interesting to compare inflows and outflows. function resizeframe(){ How can I match up other monitoring locations similar to the ones on this Interactive Dashboard? 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. California drought: Charts show where reservoir levels stand after a dry January, Track water shortages and restrictions across Bay Area. Data and Tools not passed until 1928 five years after the dam was built. 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. The dam and reservoir are the source for the Hetch Hetchy Aqueduct, which provides water for over . For each of the top 8 reservoirs the storage has increased by a total of 217 kaf, however). 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. a minimum, according to the San Francisco Public Utilities Previously, Kellie covered dining news and trends, visual arts, events and nightlife for the Arizona Republic, and freelanced for the former Contra Costa Times. Jeff, the average changes daily as well. The Hetch Hetchy Reservoir in Yosemite delivers water to 2.6 million Bay Area residents every day. Commission. Gavin Newsom asked all California residents to voluntarily reduce use by 15% compared with use in 2019. 2013, photo, the Hetch Hetchy Reservoir is hazy with smoke . around the Bay Area rely on the Hetch Hetchy Regional Water My guess would be that the recent systems have been cold and so they are predominantly dropping snow on the watershed. Sometimes this is well done sometimes it is poorly done. Hi Keith, you could de-select the large reservoirs from the menu at the top right. Locked padlock Find out more about the system at http://www.sfwater.org, BAWSCA Board Policy Committee Meeting, April 12, 2023 1:30pm. Park visitors walk across OShaughnessy Dam in Yosemite National Park on Sept. 1. She is a University of Washington graduate. If we reach 100% after the current rains and then it stops raining for the season, then our percentage will start going down. Santa Clara, Alameda and San Mateo counties. https://cdec.water.ca.gov/dynamicapp/QueryDaily?s=HTH Wapama Falls (moderate) 5 mi (8 km) round-trip; 2 hours. How come the totals disagree with the cal map graphic? Usually with warm ARs, you get a dramatic increase in inflow, which can fill even very large reservoirs relatively quickly, like Oroville in 2017. 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. Its water supply Hetch Hetchy Reservoir, in the Sierra Nevada is 80% full, the ground is saturated and near-record rainfall has occurred in recent days. 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. proposition that would have funded an $8 million study on how It didnt end the drought, but it was definitely really good," said Ritchie. Your tools are awesome just hurts when you receive bad data at times! Its important to note that other communities in California have taken actions in far greater magnitude than SF to make our waterways more sustainable. How can I apply to SFPUC? If we reach 100% after the current rains and then it stops raining for the season, then our percentage will start going down. 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 2018. Great visualization Chris! The area around Shasta has more volcanic soils that absorb rainfall than the Feather River drainage. 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. a broad meaning that had been previously applied in an located in a national park and it passed the Raker Act in 1913 to Restoring Hetch Hetchy Valley will allow all three power plants to remain operational but will reduce power generation at these by about 20% an average of about 350 million kWh per year. } Thank you for a beautiful job. The Bay Area transmission system also includes Irvington Tunnel 1 and Tunnel 2, the Bay Tunnel, and the Crystal Springs Bypass Tunnel. Its supposed to be brown. 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. Arg. Hetch Hetchy water travels 160 miles via gravity from Yosemite to the San Francisco Bay Area. Restore Hetch Hetchys subsequent appeal to the ruling was It was the only tool that I could find that would allow me to make a vertical marimekko graph. the issue, including those under Franklin Delano Roosevelt, You can email her at agraff@sfgate.com. GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System. But I would never have imagined how to put all the important information into a single plot. Should be fixed at some point. 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 see many of the local canals flowing with lots of water. . They have restoredMono Lake,improved stream flows on the North Coast and in theCentral Valleyand diminished the threat to native fish in the Bay Delta. O'Shaughnessy Dam was built on the Tuolumne River in 1923 to create Hetch Hetchy Reservoir. Hetch Hetchy is the only reservoir above its average storage of 63%, and is 82% full. This other page: https . It is on the graph. 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 Department of Water Resources, which manages the state's water supply, said in a statement that there are several possible reasons for the difference in inflow amounts between the two reservoirs. Current as of October 03, 2022 | Updated by . The gain came after weather gauges in the area recorded more than 5 inches from one storm. For the higher elevations, more of their water comes directly from snowmelt. the Bay Area. }, false); Lake Tahoe really isnt part of California water, as the outflow goes to Nevada. 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. The water travels through a series of pipelines before it reaches the Bay Area and blends with five local reservoirs. Our drinking water comes from a variety of protected sources carefully managed by the SFPUC. Although Hetch Hetchy Reservoir is the most well-known, it stores less than 25% of the systems water. Great Job on this site! Just in case a large storm hits, that way they dont reach 100% capacity. Are they releasing water to relieve the pressure in anticipation of more water? required on whether to demolish OShaughnessy Dam. 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. Theyve also seen drought surcharges on their water bills. Hetch Hetchy water travels 160 miles via gravity from Yosemite to the San Francisco Bay Area. So on Jan 10 were at 82% of the average for Jan 10. So they should be saving much more and deal with the .000001 of risk later. Meanwhile, the group Restore Hetch Hetchy is urging the SFPUC to abandon Hetch Hetchy Reservoir. Love this. Emissions must be offset by dedicated conservation programs or renewable energy generation such as wind or solar. 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). 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. For example, Hetch Hetchy Reservoir in Yosemite National Park provides 85 percent of San Francisco's total water needs. Hetch Hetchy Regional Water System The Hetch Hetchy watershed, an area located in Yosemite National Park, is the major source of water for all of San Francisco's water needs. Monitoring location 11277500 is associated with a LAKE, RESERVOIR, IMPOUNDMENT in TUOLUMNE COUNTY, CALIFORNIA. Great graphs and very useful. No it is correct. Maybe just acre/ft with ^ or down arrow. Stay up-to-date with breaking news and upcoming events. I would think with the rain it would get to historical average and then more outflow would happen. This dashboard provides a bit more detail on the state of each of the reservoirs while also showing an aggregate total. What happened to the Hetch Hetchy level? It used to be full (and beyond). Lock How do I pay my bill? Thanks for the link. Current conditions of LAKE OR RESERVOIR WATER SURFACE ELEVATION ABOVE NGVD 1929 and RESERVOIR STORAGE are available.