* Both are located along Hicks Creek on Guadalupe Creek, a tributary of the Guadalupe River. The dam and reservoir is one of the six original reservoirs approved for construction by voters in May 1934. Data Water-level fluctuations associated with climate changes are a response to variations in precipitation-evaporation (P-E) over the watershed. Its surface area is 635 acres*. State of California. © 2020 Santa Clara Valley Water District. Date Height of Snow Water Density April 1 Average Content Shasta River Basin 1 Parks Creek 6,700 Scheduled for measurement by Mount Shasta Ranger District 3 Sweetwater 5,850 Scheduled for measurement by Mount Shasta Ranger District Scott River Basin 5 Middle Boulder 1 6,600 Scheduled for measurement by Salmon/Scott River Ranger District 311 Middle … Anderson Dam was built in 1950 and named after the key founder and first president of the water district, Leroy Anderson. Its surface area is 349 acres. Valley Water has created a website to comply with Section 933(b)(4) of California Code of Regulations, Title 23, Division 3., Chapter 2.8, which was an outcome of California Senate Bill No. Page Last Modified: 2021-02-05 05:41:08 EST Anderson Reservoir is the largest of the 10 water district reservoirs and provides a reliable supply of water to Santa Clara County. The observation data shown below is from each lake's master gauge. Map Help. The Spanish name for grapes, "uvas," is preserved in a number of place names, all apparently referring to the abundance of wild grapes. The reservoir capacity is 495 acre-feet. U.S. Geological Survey Inundation Map of Hypothetical Fair Weather Failure of Almaden Dam (2019) (index map) Page Contact Information: Louisiana Water Data Support Team Level Base: MSL Full Pool: 1,129.00 feet: Change Since Yesterday: 0.01 Feet Level Controlled by: U.S. Army Corps of Engineers Dam Name: Alamo Dam (CESPL) River Stage Maps (Real-Time) NWS California-Nevada River Forecast Center ... Anderson Island, WA 98303 Give us a Call (253) 432-7285. Between 1979 and 1994, David Gaines and the Mono Lake Committee engaged in litigation with Los Angeles. For more information, contact Public Information Representative Tony Mercado at 408-630-2342 or at [email protected], Innundation maps Anderson Lake, also known as Anderson Reservoir, is an artificial lake in Santa Clara County, California, United States, near Morgan Hill.The reservoir is formed by the damming of Coyote Creek just below its confluence with Las Animas Creek. It lies about two miles from the now closed New Almaden Mines, once one of the largest mercury producing mines in the Americas, and still feels the effects of the old work, particularly during large runoff events when mercury containing sediments from mine wastes get into the water from the mining areas. The surface area is 288 acres*. Stevens Creek was originally known as Arroyo de San José Cupertino. Coyote Dam and Reservoir is one of original six reservoirs approved for construction by voters in May 1934. The water district and regulatory agencies believe that this restriction will prevent the uncontrolled release of water in case the dam is structurally damaged after a major earthquake. Lake-level changes can occur as a consequence of climatic change, tectonic activity, erosion at the outlet, or human activity. Title: USGS Current Conditions for the Nation However, project improvements are on hold until Valley Water completes improvements at the Anderson, Calero and Guadalupe dams. Uvas dam and reservoir are located on Uvas Creek about two miles upstream from the intersection of Watsonville and Uvas roads in southern Santa Clara County. Regardless of what is posted here, if you observe a green paint-like scum or bloom on a lake follow the recommendations listed at the warning level. Water flows down the dam spillway and then over rocks to create a waterfall at Anderson Lake Saturday, Feb. 18, 2017, in Morgan Hill, … On Monday, amid a dry winter, Anderson Reservoir was just 29% full. It is very important to contact your local DNR Waters area hydrologist for a correct OHWL determination before attempting to alter your shoreline. The 240-foot earthen dam on the Anderson Reservoir in Santa Clara County poses too great of a risk, the Federal Energy Regulatory Commission has decided, and the lake must be drained by Oct. 1. Reconfigure the spillway as the result of potential findings from the reservoir's future probable maximum flood investigation. A long, deep natural gorge located three miles east of U.S. 101 in Morgan Hill provided a suitable dam site. Alerts by Text or E-mail at. Your water meets state and federal standards for both appearance and safety. Reset Overlays. URL: https://waterdata.usgs.gov/nwis/uv? You can now see a recurring 10-day projection of lake levels in the Savannah River Basin for Lake Hartwell, Lake Russell and Lake Thurmond. Reservoir levels can rise or fall by approximately 30 cm in a 24-hour period at any time of the year. For more information on how the water district has addressed the problem, click here. NOAA water level observations are available at specific locations, as described on the Monitoring Network page or as a lake-wide average. usgs 02187010 hartwell lake near anderson, sc PROVISIONAL DATA SUBJECT TO REVISION Available data for this site SUMMARY OF ALL AVAILABLE DATA Location map Time-series: Current/Historical Observations Time-series: Daily data Time-series: Daily statistics Time-series: Monthly statistics Time-series: Annual statistics Water-Year Summary Revisions Mono Lake's ecosystem for migrating birds was threatened by dropping water levels. Num Name Elev. One of the true gems of the Idaho reservoir system is Anderson Ranch Reservoir. Valley Water operates 10 reservoirs in Santa Clara County. In 1947, water district directors decided to name the dam and reservoir for Lexington, a small nearby community that was sacrificed when the reservoir was built. *Reservoir storage values have been updated to reflect recent survey results. Elmer J. Chesbro was the president of the South Santa Clara Valley Water Conservation District at the time of the construction of Chesbro dam and reservoir in 1955. Inundation Map of Hypothetical Inflow Design Flood Failure of Chesbro Dam (2019) (index map). Preliminary findings of the study indicate that part of the dam would be seismically unstable during a very large, 7.25-magnitude earthquake occurring on the Calaveras Fault approximately two kilometers of the dam. The water district is currently in the midst of a seismic retrofit of the Calero Dam. Lexington water level is low at this time, hand launch is strictly enforced. Level Base: MSL Full Pool: 660.00 feet Flood Pool: 665.00 feet: Change Since Yesterday: 0.05 Feet Level Controlled by: U.S. Army Corps of Engineers Dam Name: Hartwell - Saddle Dike No. MORGAN HILL (KPIX 5) — South Bay water officials are urgently trying to lower a reservoir to reduce pressure on a shaky dam. Photo Credit Sam Mills. Hydromet, Pacific Northwest Region, Bureau of Reclamation - Managing water and power in the West Lake conditions can change rapidly and lake status may have changed since the last sample was taken. Anderson Regional Joint Water System, Hartwell Lake Filter Plant is committed to providing residents with a safe and reliable supply of high-quality drinking water. The surface area is 57 acres. The reservoir is impaired because of its level of toxicity. Its surface area is 283 acres*. Water is several feet deep in residential, commercial, and municipal areas. Inundation Map of Hypothetical Fair Weather Failure of Calero Dam (2019) (index map), Inundation Map of Hypothetical Fair Weather Failure of Calero Auxiliary Dam (2019) (index map), Inundation Map of Hypothetical Inflow Design Flood Failure of Calero Dam and Calero Auxiliary Dam (2019). The reservoirs do also provide incidental flood protection by containing runoff early in the rainfall season, serve recreational needs, and benefit the environment by storing water to maintain flow in the creeks. Impounding Coyote Creek, Anderson Reservoir was completed in 1950 as a water source for Santa Clara County, California. Inundation Map of Hypothetical Fair Weather Failure of Chesbro Dam (2019) (index map) The definition of OHWL from Minnesota Statutes is provided below. General information about the Anderson Dam and Reservoir. The lake extends approximately 6 miles along Rocky River. Major power station is downtown Anderson is affected above 25 feet. The reservoir capacity is 19,044 acre-feet of water. All rights reserved. The district then distributes the water to water retailers to sell to the county’s 1.8 million residents. We test the water using sophisticated equipment and advanced procedures. It has a total storage capacity of 89,073 acre-feet (one acre-foot is 325,851 gallons of water, enough to serve two households of five for one year). Today, the reservoir’s storage is nearly 35 percent of capacity. The elevation-storage rating curve used to produce the storage hydrograph is made of two segments: (1) the segment up to the conservation pool top (below the red line) is based on measured data, and (2) the segment in the flood pool (above the red line) is an extrapolation from the first segment and shouldn't be relied upon for flood storage information. Inundation Map of Hypothetical Inflow Design Flood Failure of Almaden Dam (2019) (index map). If you observe a bloom in a Jefferson County lake, please report it by calling 360-385-9444. Trailers are not permitted. Lake Level Projections. Lake Oroville Water Level including historical chart. Map Overlays. Its surface area is 92 acres*. County Boundaries. The litigation forced Los Angeles to stop diverting water from around Mono Lake, which has started to rise back to a level that can support its ecosystem. 1.2   1.06 sdww02. Water levels within the reservoir fluctuate by as much as 20 metres annually and are constantly changing due to inflow and the requirements for water release at Hugh Keenleyside Dam. Anderson Reservoir is currently operated to reduce the chance of the reservoir level exceeding its storage limit of 58 percent, set by the California Division of Safety of Dams. Guadalupe Reservoir, which can store about 3,415 acre-feet of water, has a critical problem of extensive mercury contamination. National Water Information System: Web Interface, Add up to 2 more sites and replot for "Gage height, feet", Add up to 2 more sites and replot for "Stream water level elevation above NAVD 1988, in feet", Accessibility Please click on the image or this link to access the up-to-date interactive map. Inundation Map of Hypothetical Inflow Design Flood Failure of Guadalupe Dam (2019) (index map). Other attractions include the historic Jackson Ranch Park, Moses L. Rosendin Park, the Burnett Park area and multiple use trails. Chesbro dam and reservoir are located on Llagas Creek three miles west of Morgan Hill. Inundation Map of Hypothetical Inflow Design Flood Failure of Uvas Dam (2019) (index map). Northeast and northwest portions of Anderson are under water. Its capacity is 23,244 acre-feet of water. Waterway Menus The dam and reservoir is one of the six original reservoirs approved for construction by voters in May 1934. * Calero Reservoir provides water directly to drinking water treatment plants, which treat and test it for safety. Calero also captures and stores winter runoff to recharge groundwater basins, helps store water from the nearby Almaden Reservoir watershed and accepts imported water. Subject to safety regulations by the State Division of Safety and Dams (DSOD), Almaden Dam is currently considered a high-hazard dam due to the number of people who live in the potential flood zone downstream and the extensive amount of damage that a flood could cause in case of a dam breach. 88 (SB-88): Almaden Reservoir is one of Santa Clara County's six original reservoirs, built in 1935, and is one of 10 current reservoirs operated by the Santa Clara Valley Water District. Correct ongoing operation and maintenance issues to aging hydraulic lines, valves and energy dissipaters. Visit our Get Flood Ready page for resources and information. Initially, the dam was referred to by different names, primarily "Windy Point Dam," because the location of the proposed dam was near an obscure spur known as Windy Point. Uvas Creek got its name from the land grant Cañada de las Uvas (grape ravine) dated June 14, 1842. WFO Boundary. A storage restriction of about 55 feet below the dam crest has been put in place to protect the public, reducing the allowed storage capacity to 52,553 acre-feet. 1 (CESAS) Hartwell Mica Mine Dam (HARTWELL MICA MINE COMPANY) Vasona Lake Dam and Reservoir is one of six original reservoirs approved by the voters in 1934. You can also use "Access Valley Water" to submit questions, complaints or compliments directly from your computer to a water district staff person who can help you. If the map is unavailable, you can find daily information on water levels for Californian reservoirs by clicking here. Privacy Warning: Javascript must be enabled to use all the features on this page! Disclaimer. Lake Secession is a eutrophic (fertile) lake, which provides a popular sport fishery for warm-water game fish. The dam was completed in 1935 and new gates were installed in 1997. FOIA Completed along the South Fork of the Boise River in 1950, this project provides irrigation water for local Southwest Idaho farms, with hydroelectric power generation a secondary purpose. The reservoirs have a total storage capacity of approximately 170,000 acre-feet (One acre-foot is enough water for two families of five for one year.). Army Corps of Engineers, New Orleans District. It was completed in 1935. Stevens Creek Reservoir is located on Stevens Creek about two miles southwest of Cupertino. It was completed in 1957. The reservoir's surface area is 74 acres. The project, currently in design phase, will: In 2016, Valley Water's Board of Directors approved a consultant amendment to perform improvements to the Almaden-Calero Canal in addition to the already approved consultant agreement for improvements at the Almaden Dam. The Ordinary High Water Level (OHWL) is a term that many lake, wetland, and river property owners hear, but it is often misunderstood. Modify or construct a new intake structure to meet DSOD regulatory standards. This voluntary restriction exceeds the 45-foot restriction approved by the regulatory agencies (California Division of Safety of Dams and the Federal Energy Regulatory Commission) and was instituted by the District in response to additional findings during the design phase of the Anderson Dam Seismic Retrofit Project (ADSRP). In 1985, an additional 231,000 cubic yards of material was added to the dam, raising it 10 feet. The Coyote Reservoir is located on the former Rancho San Ysidro, a cattle ranch that belonged to Ygnacio Ortega in the early 1800s. for this site provided through a cooperative program with the U. S. Water Level Capacity California's Lakes and Reservoirs. For project inquiries, please contact Tony Mercado, Public Information Representative, at 408-630-2342 or [email protected]. The 10 reservoirs operated by Valley Water are highly visible elements of the water supply and flood protection programs for Santa Clara County. Able to store 1,590-acre feet of water, the reservoir, located 12 mile south of San Jose, produces about 4 percent of the district's local water supply and also provides water for groundwater recharge. Anderson Ranch Reservoir in Elmore County is 4,607.7 acres. The reservoir's capacity is 9,835 acre-feet of water. Stay up-to-date with Santa Clara Valley Water District, Report water waste, homeless encampments, or other problems to Valley Water >>, © 2020 Santa Clara Valley Water District. Telemetered measurement device data used for calculating water rights diversions, Reopening buildings following an extended shutdown, Bay Area Regional Reliability Partnership, Groundwater Production Charge-Setting Process 2020-21, Surface Water Charge-Setting Process 2020-21, Flood Control Benefit Assessments Staff Report, Stream, reservoir, precipitation gauge data, Mobile Lab To Improve Farm Irrigation Efficiency, *Safe, Clean Water and Natural Flood Protection Program, Priority A: Ensure a Safe, Reliable Water Supply, Priority B: Reduce Toxins, Hazards and Contaminants in our Waterways, Priority C: Protect our Water Supply from Earthquakes and Natural Disasters, Priority D: Restore Wildlife Habitat and Provide Open Space, Priority E: Provide Flood Protection to Homes, Businesses, Schools and Highways, Other Capital Flood Protection Projects and Clean, Safe Creeks Grants Projects, Safe, Clean Water Program: Independent Monitoring Committee, Calabazas Creek Bank Rehabilitation Project, FAHCE: Fish and Aquatic Habitat Collaborative Effort, Palo Alto Flood Basin Tide Gate Structure Replacement Project, Lower Penitencia Creek Improvements Project, San Francisquito Creek: Bay to Highway 101, Saratoga Creek Hazard Tree Removal and Restoration Project, Sunnyvale East and West Channels Flood Protection*, Habitats & Trails Grants and Partnerships*, Pollution Prevention Partnerships & Grants*, Cross Valley and Calero Pipeline Inspection and Rehabilitation Project, Main Ave. & Madrone Pipelines Restoration*, Rinconada Water Treatment Plant Reliability Improvement, Water Supply Infrastructure Implementation Projects, Public Trails Policy Criteria and Guidance, 2021 Santa Clara Valley Water District Calendar/ Fiscal Year 2020 Annual Report, Safe, Clean Water Program Independent Monitoring Committee, Board of Directors Annual Performance Reports, Quarterly Performance Reports to the Board of Directors, Purified Water Program - Public-Private Partnerships (P3), Permits for Working on District Land or Easement, Guidelines and Standards for Land Use Near Streams, Inundation Map of Hypothetical Fair Weather Failure of Almaden Dam, Inundation Map of Hypothetical Inflow Design Flood Failure of Almaden Dam, Anderson Dam Seismic Retrofit project page, Inundation Map of Hypothetical Fair Weather Failure of Calero Dam, Inundation Map of Hypothetical Fair Weather Failure of Calero Auxiliary Dam, Inundation Map of Hypothetical Inflow Design Flood Failure of Calero Dam and Calero Auxiliary Dam, Inundation Map of Hypothetical Fair Weather Failure of Chesbro Dam, Inundation Map of Hypothetical Inflow Design Flood Failure of Chesbro Dam, Inundation Map of Hypothetical Fair Weather Failure of Guadalupe Dam, Inundation Map of Hypothetical Inflow Design Flood Failure of Guadalupe Dam, Inundation Map of Hypothetical Fair Weather Failure of Stevens Creek Dam, Inundation Map of Hypothetical Fair Weather Failure of Uvas Dam, Inundation Map of Hypothetical Inflow Design Flood Failure of Uvas Dam, Valley Water celebrates creek clean up volunteers and water ambassadors, Valley Water continued to serve the community during a challenging 2020. For current project information, see the Anderson Dam Seismic Retrofit project page. The reservoirs, which were constructed in the 1930s and 1950s for water conservation (not flood protection) catch storm runoff that otherwise would flow into San Francisco Bay. Inundation Map of Hypothetical Fair Weather Failure of Stevens Creek Dam (2019) (index map). State water officials continued to lower the level of Lake Oroville on Tuesday in anticipation of a series of storms that were forecast to … Customized Hydromet, Pacific Northwest Region, Bureau of Reclamation - Managing water and power in the West The California Department of Water Stream water level elevation above NAVD 1988, in feet Most recent instantaneous value: 12.95 02-02-2021 21:30 CST Add up to 2 more sites and replot for "Stream water level elevation above NAVD 1988, in feet" In 2005, a seismic stability evaluation for the dam halted the planning phase and while the findings in 2012 indicated the embankment is stable, the dam will still require work to ensure its long term reliability. Stevens Creek dam and reservoir is one of six original systems approved for construction by voters in 1934. The dam was constructed in 1952. Privacy Policy/Investor Disclosure | Sitemap. Many roads are impassable. SRs 109, 32, 9 and I-69 could be the only roads open over the White River. After Hours Emergency: (253) 884-4808. The Santa Clara Valley Water District built the Guadalupe Dam during the Great Depression, completing it in 1935 after acquiring land as the Santa Clara Valley Water Conservation District. Tuesday, February 2, 2021 1:00:00 PM Level is 201.00 feet below full pool of 900.00 This 1,250 acre reservoir is the main feature of the 3,144-acre Anderson Park. This restriction is a safety measure that is in effect because of the dam’s seismic deficiencies. The water level in the reservoir reached its crest on Feb. 18. Policies and Notices, U.S. Department of the Interior | To learn more about that project, click here. Inundation Map of Hypothetical Fair Weather Failure of Guadalupe Dam (2019) (index map) Each vessel must pass a vessel inspection prior to launch, make sure your vessel is cleaned, drained and dry. A 4,275-acre (1,730 ha) county park surrounds the reservoir and provides limited fishing ("catch and release"), picnicking, and hiking … Valley Water has a number of water rights associated with its reservoirs and stream diversions. Its accompanying earth fill dam stands 110-feet tall with a crest of about 500-feet. Anderson Reservoir is the largest of the 10 water district reservoirs and provides a reliable supply of water to Santa Clara County. Lexington Reservoir and James J. Lenihan Dam are located on Los Gatos Creek about three miles south of the town of Los Gatos. Please note: the image above is provided as a sample only, and indicates water levels in Californian reservoirs as of November 26th, 2018. Findings of the original seismic stability evaluation completed in 2011 on Anderson Dam indicated that the downstream and upstream embankments could become unstable during a very large magnitude earthquake and the rupture of faults underlying the dam may have adverse impact on the outlet pipe and intake structure. Its surface area is 412 acres*. These lake-wide averages are based on a select set of U.S. and Canadian station data as determined by the Coordinating Committee. Many geographic features in California were named directly or indirectly after the coyote. The 2.2-miles-long reservoir can store 9,934 acre-feet of water. Take care, as water levels can change over 24 hours. The reservoir capacity is 3,138 acre-feet of water. It has a total storage capacity of 89,073 acre-feet (one acre-foot is 325,851 gallons of water, enough to serve two households of five for one year). The reservoir … The reservoir can store 7,945 acre-feet of water. 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