Drought Brochure 2021 Update
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Folsom50booklet 1 5/10/2006, 10:22 AM This Booklet Was Printed in Cooperation With
U.S. Department of the Interior Bureau of Reclamation Mid-Pacific Region Folsom50Booklet 1 5/10/2006, 10:22 AM This booklet was printed in cooperation with Folsom50Booklet 2 5/10/2006, 10:22 AM U.S. Department of the Interior Bureau of Reclamation Mid-Pacific Region Folsom50Booklet 3 5/10/2006, 10:22 AM Dedication I am pleased to offer my congratulations as Folsom Dam celebrates its 50th Anniversary. For half a century, through drought and flood, Folsom Dam has managed American River flows for the benefit of people, farms, industry, and the environment. Since its completion in 1956, it has effectively controlled flooding. Even several months before its final William E. Rinne completion, Folsom Dam prevented flood Acting Commissioner damage when a major tropical storm Bureau of Reclamation triggered rapid snowmelt. The dam impounded so much runoff that Folsom Lake filled in one week rather than the one year anticipated by engineers. It is estimated that this magnificent dam has prevented more than $5 billion in flood damage to downstream agricultural and urban areas, a testament to the foresight of the men and women who envisioned and built it. Today, Folsom Dam provides 500,000 acre-feet of water for irrigation and urban uses annually. It plays an important role in fisheries enhancement and water quality improvement in the San Francisco Bay-Delta. The dam also provides clean, renewable electricity. In 2005, it produced more than 690 million kilowatt hours. As a recreational facility, Folsom Lake is one of the most visited recreation areas operated by the California Department of Parks and Recreation. -
Madera Subbasin
MADERA SUBBASIN Sustainable Groundwater Management Act (SGMA) First Annual Report Prepared by Davids Engineering, Inc Luhdorff & Scalmanini ERA Economics April 2020 DRAFT Madera Subbasin Sustainable Groundwater Management Act First Annual Report April 2020 Prepared For Madera Subbasin Prepared By Davids Engineering, Inc Luhdorff & Scalmanini ERA Economics Table of Contents Table of Contents ......................................................................................................................... i List of Tables ............................................................................................................................... ii List of Figures ............................................................................................................................. ii List of Appendices ..................................................................................................................... iii List of Abbreviations ................................................................................................................. iv Introduction ................................................................................................................................. 1 Executive Summary (§356.2.a) .................................................................................................. 2 Groundwater Elevations (§356.2.b.1) ........................................................................................ 6 Groundwater Level Monitoring ................................................................................................. -
Central Valley Project Integrated Resource Plan
Summary Report Central Valley Project Integrated Resource Plan U.S. Department of the Interior Bureau of Reclamation Mid-Pacific Region TABLE OF CONTENTS TABLE OF CONTENTS BACKGROUND ..........................................................................................................................................................5 STUDY APPROACH ...................................................................................................................................................7 CLIMATE IMPACTS ON WATER SUPPLIES AND DEMANDS ...............................................................................11 COMPARISON OF PROJECTED WATER SUPPLIES AND DEMANDS .................................................................21 PERFORMANCE OF POTENTIAL FUTURE WATER MANAGEMENT ACTIONS .................................................27 PORTFOLIO TRADEOFFS .......................................................................................................................................37 CVP IRP STUDY LIMITATIONS ................................................................................................................................39 ACRONYMS AND ABBREVIATIONS USED IN FIGURES ......................................................................................41 Tables Table 1. Simulation Suites and Assumptions Inlcuded in Each Portfolio .............................................................27 Figures Figure 1a. Projected changes in Temperature in Ensemble-Informed Transient Climate Scenarios between 2012 -
News Release
CALIFORNIA DEPARTMENT OF PARKS AND RECREATION Divisions of Boating and Waterways, Historic Preservation and Off-Highway Vehicles News Release For Immediate Release Contact: Apr. 5, 2017 Aaron Wright Sector Superintendent [email protected] (530) 538-2200 Summer Recreation at Lake Oroville State Recreation Area OROVILLE, Calif. -- The emergency effort to repair the Lake Oroville spillways will not interfere with most outdoor recreation this summer at the lake, and with the exception of the Spillway Boat Launch Ramp, all boat launch ramps are open, announced California State Parks (DPR) and the Department of Water Resources. All campgrounds also are open and floating campsites are back on the lake and available for rental. Some areas near the dam will continue to be off-limits to visitors as crews work to repair or replace spillways damaged in February during high runoff. Outdoor activities available at Lake Oroville this summer include: Campgrounds: All campgrounds are now open with site-specific reservations available at Bidwell Canyon, Loafer Creek and Lime Saddle. Campers without reservations are still welcome on a day-to-day basis to any campsites that have not been previously reserved. Campground showers have been equipped with token machines. Each site will have a unique, collectable token which can also be used at other participating state parks. Trails: Lake Oroville has a number of trails for hiking, biking and equestrian use. Trails around the Diversion Pool and Hyatt Power Plant likely will be closed throughout the summer, although DPR may make changes to other trails to accommodate more hikers and help compensate for the closures. -
KEY to ENDSHEET MAP (Continued)
KEY TO ENDSHEET MAP (continued) RESERVOIRS AND LAKES (AUTHORIZED) 181.Butler Valley Res. 185. Dixie Refuge Res. 189. County Line Res. 182.Knights Valley Res. 186. Abbey Bridge Res. 190. Buchanan Res. 183.Lakeport Res. 187. Marysville Res. 191. Hidden Res. 184.Indian Valley Res. 188. Sugar Pine Res. 192. ButtesRes. RESERVOIRS AND LAKES 51BLE FUTURE) 193.Helena Res. 207. Sites-Funks Res. 221. Owen Mountain Res. 194.Schneiders Bar Res. 208. Ranchería Res. 222. Yokohl Res. 195.Eltapom Res. 209. Newville-Paskenta Res. 223. Hungry Hollow Res. 196. New Rugh Res. 210. Tehama Res. 224. Kellogg Res. 197.Anderson Ford Res. 211. Dutch Gulch Res. 225. Los Banos Res. 198.Dinsmore Res. 212. Allen Camp Res. 226. Jack Res. 199. English Ridge Res. 213. Millville Res. 227. Santa Rita Res. 200.Dos Rios Res. 214. Tuscan Buttes Res. 228. Sunflower Res. 201.Yellowjacket Res. 215. Aukum Res. 229. Lompoc Res. 202.Cahto Res. 216. Nashville Res. 230. Cold Springs Res. 203.Panther Res. 217. Irish Hill Res. 231. Topatopa Res. 204.Walker Res. 218. Cooperstown Res. 232. Fallbrook Res. 205.Blue Ridge Res. 219. Figarden Res. 233. De Luz Res. 206.Oat Res. 220. Little Dry Creek Res. AQUEDUCTS AND TUNNELS (EXISTING OR UNDER CONSTRUCTION) Clear Creek Tunnel 12. South Bay Aqueduct 23. Los Angeles Aqueduct 1. Whiskeytown-Keswick 13. Hetch Hetchy Aqueduct 24. South Coast Conduit 2.Tunnel 14. Delta Mendota Canal 25. Colorado River Aqueduct 3. Bella Vista Conduit 15. California Aqueduct 26. San Diego Aqueduct 4.Muletown Conduit 16. Pleasant Valley Canal 27. Coachella Canal 5. -
Riverine Nutrient Trends in the Sacramento and San Joaquin Basins, California
Peer Reviewed Title: Riverine Nutrient Trends in the Sacramento and San Joaquin Basins, California: A Comparison to State and Regional Water Quality Policies Journal Issue: San Francisco Estuary and Watershed Science, 13(4) Author: Schlegel, Brandon, California State University, Sacramento Domagalski, Joseph L., U.S Geological Survey, California Water Science Center Publication Date: 2015 Permalink: http://escholarship.org/uc/item/4c37m6vz Keywords: Sacramento–San Joaquin River Delta, nutrients, nitrogen, phosphorus, nutrient transport, nutrient loads, agricultural drainage Local Identifier: jmie_sfews_29499 Abstract: doi: http://dx.doi.org/1015447/sfews.2015v13iss4art2 Non-point source (NPS) contaminant control strategies were initiated in California in the late 1980s under the authority of the State Porter–Cologne Act and eventually for the development of total maximum daily load (TMDL) plans, under the federal Clean Water Act. Most of the NPS TMDLs developed for California’s Central Valley (CV) region were related to pesticides, but not nutrients. Efforts to reduce pesticide loads and concentrations began in earnest around 1990. The NPS control strategies either encouraged or mandated the use of management practices (MPs). Although TMDLs were largely developed for pesticides, the resultant MPs might have affected the runoff of other potential contaminants (such as nutrients). This study evaluates the effect of agricultural NPS control strategies implemented in California’s CV before and between 1990 and 2013, on nutrients, by comparing trends in surface-water concentrations and loads. In general, use of MPs was encouraged during a “voluntary” period (1990 to 2004) and mandated during an “enforcement” period (2004 to 2013). Nutrient concentrations, loads, and trends were estimated by using a recently developed Weighted Regressions on Time, Discharge, and Season (WRTDS) model. -
System Reoperation Study
System Reoperation Study Phase III Report: Assessment of Reoperation Strategies California Department of Water Resources August 2017 System Reoperation Study Phase III Report This page is intentionally left blank. August 2017 | 2 Table of Contents Chapter 1. Introduction .......................................................................................................................................................................................1 -1 1.1 Study Authorization ....................................................................................................................................................................................1 -1 1.2 Study Area ..................................................................................................................................................................................................1 -2 1.3 Planning Principles .....................................................................................................................................................................................1 -4 1.4 Related Studies and Programs...................................................................................................................................................................1 -4 1.5 Uncertainties in Future Conditions ............................................................................................................................................................. 1-6 1.5.1 Climate Change ..........................................................................................................................................................................1 -
3A.12 Parks and Recreation - Land
3A.12 PARKS AND RECREATION - LAND The two local roadway connections from the Folsom Heights property off-site into El Dorado Hills would not generate direct increases in population that could result in additional demand for parkland facilities in El Dorado County. Therefore, the “Affected Environment” does not contain a discussion of conditions in El Dorado County related to parks and recreation. 3A.12.1 AFFECTED ENVIRONMENT REGIONAL ENVIRONMENT Folsom Lake Folsom Lake State Recreation Area (SRA), located approximately 5 miles north of the SPA, serves the greater Sacramento area for recreation in the form of camping, hiking, biking, boating, and other outdoor recreation activities. The lake also hosts bass fishing tournaments that frequently draw fishermen from throughout the state. California State Parks manages the Folsom Lake SRA, which includes Folsom Lake and the surrounding facilities. The lake features approximately 75 miles of shoreline and 80 miles of trails that provide opportunities for hiking, horseback riding, nature studies, camping, and picnicking. There are seven major recreation areas with facilities located around the lake. The Folsom Lake SRA, including Folsom Lake, is one of the most heavily used recreational facilities in the California State Park system, with 2 to 3 million visitor days per year. Approximately 75% of the annual visitations to the Folsom Lake SRA occur during the spring and summer, and many (85%) of the Folsom Lake SRA activities are water dependent. The Lake Natoma sub-unit of the Folsom Lake SRA is located adjacent to the City of Folsom, between Hazel Avenue and Folsom Dam, upstream from the Sacramento County-operated portion of the American River Parkway. -
The Colorado River Aqueduct
Fact Sheet: Our Water Lifeline__ The Colorado River Aqueduct. Photo: Aerial photo of CRA Investment in Reliability The Colorado River Aqueduct is considered one of the nation’s Many innovations came from this period in time, including the top civil engineering marvels. It was originally conceived by creation of a medical system for contract workers that would William Mulholland and designed by Metropolitan’s first Chief become the forerunner for the prepaid healthcare plan offered Engineer Frank Weymouth after consideration of more than by Kaiser Permanente. 50 routes. The 242-mile CRA carries water from Lake Havasu to the system’s terminal reservoir at Lake Mathews in Riverside. This reservoir’s location was selected because it is situated at the upper end of Metropolitan’s service area and its elevation of nearly 1,400 feet allows water to flow by gravity to the majority of our service area The CRA was the largest public works project built in Southern California during the Great Depression. Overwhelming voter approval in 1929 for a $220 million bond – equivalent to a $3.75 billion investment today – brought jobs to 35,000 people. Miners, engineers, surveyors, cooks and more came to build Colorado River the aqueduct, living in the harshest of desert conditions and Aqueduct ultimately constructing 150 miles of canals, siphons, conduits and pipelines. They added five pumping plants to lift water over mountains so deliveries could then flow west by gravity. And they blasted 90-plus miles of tunnels, including a waterway under Mount San Jacinto. THE METROPOLITAN WATER DISTRICT OF SOUTHERN CALIFORNIA // // JULY 2021 FACT SHEET: THE COLORADO RIVER AQUEDUCT // // OUR WATER LIFELINE The Vision Despite the city of Los Angeles’ investment in its aqueduct, by the early 1920s, Southern Californians understood the region did not have enough local supplies to meet growing demands. -
Insights Into the Oroville Dam 2017 Spillway Incident
geosciences Communication Insights into the Oroville Dam 2017 Spillway Incident Aristotelis Koskinas 1, Aristoteles Tegos 1,2,*, Penelope Tsira 1, Panayiotis Dimitriadis 1 , Theano Iliopoulou 1, Panos Papanicolaou 1, Demetris Koutsoyiannis 1 and Tracey Williamson 3 1 Department of Water Resources and Environmental Engineering, National Technical University of Athens, Heroon Polytechniou 9, Zografou, GR-15780 Zographou Athens, Greece; [email protected] (A.K.); [email protected] (P.T.); [email protected] (P.D.); [email protected] (T.I.); [email protected] (P.P.); [email protected] (D.K.) 2 Arup Group Limited, 50 Ringsend Rd, Grand Canal Dock, D04 T6X0 Dublin 4, Ireland 3 Arup, 4 Pierhead Street, Cardiff CF10 4QP, UK; [email protected] * Correspondence: [email protected] Received: 9 December 2018; Accepted: 7 January 2019; Published: 11 January 2019 Abstract: In February 2017, a failure occurring in Oroville Dam’s main spillway risked causing severe damages downstream. A unique aspect of this incident was the fact that it happened during a flood scenario well within its design and operational procedures, prompting research into its causes and determining methods to prevent similar events from reoccurring. In this study, a hydroclimatic analysis of Oroville Dam’s catchment is conducted, along with a review of related design and operational manuals. The data available allows for the comparison of older flood-frequency analyses to new alternative methods proposed in this paper and relevant literature. Based on summary characteristics -
San Luis Unit Project History
San Luis Unit West San Joaquin Division Central Valley Project Robert Autobee Bureau of Reclamation Table of Contents The San Luis Unit .............................................................2 Project Location.........................................................2 Historic Setting .........................................................4 Project Authorization.....................................................7 Construction History .....................................................9 Post Construction History ................................................19 Settlement of the Project .................................................24 Uses of Project Water ...................................................25 1992 Crop Production Report/Westlands ....................................27 Conclusion............................................................28 Suggested Readings ...........................................................28 Index ......................................................................29 1 The West San Joaquin Division The San Luis Unit Approximately 300 miles, and 30 years, separate Shasta Dam in northern California from the San Luis Dam on the west side of the San Joaquin Valley. The Central Valley Project, launched in the 1930s, ascended toward its zenith in the 1960s a few miles outside of the town of Los Banos. There, one of the world's largest dams rose across one of California's smallest creeks. The American mantra of "bigger is better" captured the spirit of the times when the San Luis Unit -
Figure 6-3. California's Water Infrastructure Network
DA 17 DA 67 DA 68 DA 22 DA 29 DA 39 DA 40 DA 41 DA 46 N. FORK N. & M. TUOLOMNE YUBA RIVER FORKS CHERRY CREEK, RIVER Figure 6-3. California's Water Infrastructure ELEANOR CREEK AMERICAN M & S FORK RIVER YUBA RIVER New Bullards Hetch Hetchy Res Bar Reservoir GREENHORN O'Shaughnessy Dam Network Configuration for CALVIN (1 of 2) SR- S. FORK NBB CREEK & BEAR DA 32 SR- D17 AMERICAN RIVER HHR DA 42 DA 43 DA 44 RIVER STANISLAUS SR- LL- C27 RIVER & 45 Camp Far West Reservoir DRAFT Folsom Englebright C31 Lake DA 25 DA 27 Canyon Tunnel FEATHER Lake 7 SR- CALAVERAS New RIVER SR-EL CFW SR-8 RIVER Melones Lower Cherry Creek MERCED MOKELUMNE Reservoir SR-10 Aqueduct ACCRETION CAMP C44 RIVER FAR WEST TO DEER CREEK C28 FRENCH DRY RIVER CREEK WHEATLAND GAGE FRESNO New Hogan Lake Oroville DA 70 D67 SAN COSUMNES Lake RIVER SR- 0 SR-6 C308 SR- JOAQUIN Accretion: NHL C29 RIVER 81 CHOWCHILLA American River RIVER New Don Lake McClure Folsom to Fair D9 DRY Pardee Pedro SR- New Exchequer RIVER Oaks Reservoir 20 CREEK Reservoir Dam SR- Hensley Lake DA 14 Tulloch Reservoir SR- C33 Lake Natoma PR Hidden Dam Nimbus Dam TR Millerton Lake SR-52 Friant Dam C23 KELLY RIDGE Accretion: Eastside Eastman Lake Bypass Accretion: Accretion: Buchanan Dam C24 Yuba Urban DA 59 Camanche Melones to D16 Upper Merced D64 SR- C37 Reservoir C40 2 SR-18 Goodwin River 53 D62 SR- La Grange Dam 2 CR Goodwin Reservoir D66 Folsom South Canal Mokelumne River Aqueduct Accretion: 2 D64 depletion: Upper C17 D65 Losses D85 C39 Goodwin to 3 Merced River 3 3a D63 DEPLETION mouth C31 2 C25 C31 D37