DOCSLIB.ORG

Drought Management in a Changing Climate: Using Cost-Benefit Analyses to Assist Drinking Water Utilities

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Drought Management in a Changing Climate: Using Cost-Benefit Analyses to Assist Drinking Water Utilities Drought Management in a Changing Climate: Using Cost-Benefit Analyses to Assist Drinking Water Utilities Web Report #4546 Subject Area: Water Resources and Environmental Sustainability Drought Management in a Changing Climate: Using Cost- Benefit Analyses to Assist Drinking Water Utilities ©2015 Water Research Foundation. ALL RIGHTS RESERVED. About the Water Research Foundation The Water Research Foundation (WRF) is a member-supported, international, 501(c)3 nonprofit organization that sponsors research that enables water utilities, public health agencies, and other professionals to provide safe and affordable drinking water to consumers. WRF’s mission is to advance the science of water to improve the quality of life. To achieve this mission, WRF sponsors studies on all aspects of drinking water, including resources, treatment, and distribution. Nearly 1,000 water utilities, consulting firms, and manufacturers in North America and abroad contribute subscription payments to support WRF’s work. Additional funding comes from collaborative partnerships with other national and international organizations and the U.S. federal government, allowing for resources to be leveraged, expertise to be shared, and broad-based knowledge to be developed and disseminated. From its headquarters in Denver, Colorado, WRF’s staff directs and supports the efforts of more than 800 volunteers who serve on the board of trustees and various committees. These volunteers represent many facets of the water industry, and contribute their expertise to select and monitor research studies that benefit the entire drinking water community. Research results are disseminated through a number of channels, including reports, the Website, Webcasts, workshops, and periodicals. WRF serves as a cooperative program providing subscribers the opportunity to pool their resources and build upon each other’s expertise. By applying WRF research findings, subscribers can save substantial costs and stay on the leading edge of drinking water science and technology. Since its inception, WRF has supplied the water community with more than $460 million in applied research value. More information about WRF and how to become a subscriber is available at www.WaterRF.org. ©2015 Water Research Foundation. ALL RIGHTS RESERVED. Drought Management in a Changing Climate: Using Cost- Benefit Analyses to Assist Drinking Water Utilities Prepared by: Julie Blue, Richard A. Krop, Nupur Hiremath, Carolyn Gillette, and Jaime Rooke The Cadmus Group, Inc., 100 5th Avenue, Suite 100, Waltham, MA, 02451 and Cody L. Knutson and Kelly Smith National Drought Mitigation Center, University of Nebraska-Lincoln, 819 Hardin Hall, 3310 Holdrege Street P.O. Box 830988 Lincoln, NE 68583–0988 Jointly Sponsored by: Water Research Foundation 6666 West Quincy Avenue, Denver, CO 80235-3098 and National Oceanic and Atmospheric Administration Climate Program Office Sectoral Applications Research Program (NOAA/CPO/SARP) Washington, D.C. Published by: ©2015 Water Research Foundation. ALL RIGHTS RESERVED. DISCLAIMER This study was funded by the National Oceanic and Atmospheric Administration’s Climate Program Office’s Sectoral Applications Research Program (NOAA/CPO/SARP) and the Water Research Foundation (WRF), under Grant No. NA13OAR4310125. NOAA/CPO/SARP and WRF assume no responsibility for the content of the research study reported in this publication or for the opinions or statements of fact expressed in the report. The mention of trade names for commercial products does not represent or imply the approval or endorsement of NOAA/CPO/SARP or WRF. This report is presented solely for informational purposes. Copyright © 2015 by Water Research Foundation ALL RIGHTS RESERVED. No part of this publication may be copied, reproduced or otherwise utilized without permission. Printed in the U.S.A. ©2015 Water Research Foundation. ALL RIGHTS RESERVED. TABLE OF CONTENTS LIST OF TABLES .......................................................................................................................... ix LIST OF FIGURES ........................................................................................................................ xi FOREWORD ................................................................................................................................xiii ACKNOWLEDGMENTS ............................................................................................................. xv EXECUTIVE SUMMARY ......................................................................................................... xvii Chapter 1: THE IMPACTS OF DROUGHT ON DRINKING WATER UTILITIES ................... 1 1.1 Occurrence of Drought in the United States ............................................................... 1 1.2 Broad Impacts of Drought ........................................................................................... 4 1.3 Impacts of Drought on Drinking Water Utilities and Customers ................................ 5 1.3.1 Decreased Supply ..............................................................................................5 1.3.2 Increased Demand .............................................................................................6 1.3.3 Impact on Water Infrastructure .........................................................................7 1.3.4 Water Quality Degradation ...............................................................................9 1.4 Drought Management ................................................................................................ 10 1.5 Use of Cost-Benefit Analyses in Drought Planning .................................................. 13 Chapter 2: THE COSTS AND BENEFITS OF DROUGHT MANAGEMENT .......................... 15 2.1 Costs of Drought Impacts .......................................................................................... 15 2.1.1 Costs of Water Infrastructure Impacts ...........................................................15 2.1.2 Costs of Water Quality Impacts .....................................................................16 2.1.3 Costs of Water Reliability ..............................................................................17 2.1.4 Costs of Land Subsidence ..............................................................................18 2.1.5 Revenue Losses ..............................................................................................19 2.2 Leading Practices in Drought Management and Their Costs .................................... 20 2.2.1 Demand Management ....................................................................................22 2.2.2 Supply Management ......................................................................................33 2.3 Benefits of Drought Management Practices .............................................................. 39 2.3.1 Implementing Avoided Cost Assessments....................................................40 2.3.2 Assessing the Triple Bottom Line.................................................................41 2.4 Summary and Conclusions ........................................................................................ 42 Chapter 3: CASE STUDIES ON WATER UTILITY EXPERIENCES WITH DROUGHT ........ 43 3.1 Case Study 1: A Multi-Pronged Approach to Drought Management in El Dorado, CA CA ............................................................................................................................. 43 3.1.1 Background ......................................................................................................43 3.1.2 Impact of Drought ............................................................................................44 3.1.3 Response to Drought ........................................................................................44 3.1.4 The Costs of Drought Mitigation and Response ..............................................45 3.1.5 Looking Forward .............................................................................................47 3.2 Case Study 2: Revenue Dilemma in Managing Drought in Cobb County, GA ........ 48 v ©2015 Water Research Foundation. ALL RIGHTS RESERVED. 3.2.1 Background ......................................................................................................48 3.2.2 Impact of Drought ............................................................................................48 3.2.3 Response to Drought ........................................................................................49 3.2.4 The Costs of Drought Mitigation and Response .............................................50 3.2.5 Looking Forward .............................................................................................51 3.3 Case Study 3: Focusing on Outreach Campaigns in San Diego, CA ........................ 52 3.3.1 Background ......................................................................................................52 3.3.2 Impact of Drought ............................................................................................53 3.3.3 Response to Drought ........................................................................................53 3.3.4 The Costs of Drought Mitigation and Response .............................................54 3.3.5 Looking Forward .............................................................................................55 3.4 Case Study 4: Adapting Drought Management Techniques Over Time in o Colorado ...................................................................................................................
Load more

Recommended publications
  • Water Supply Assessment and Verification Report
    Water Supply Assessment and Verification Report Newland Sierra Specific Plan December 2015 (Revised - July 2016) Prepared for Vallecitos Water District This page is intentionally left blank. Water Supply Assessment and Verification Report Newland Sierra Specific Plan Contents 1 Purpose ............................................................................................................................................... 1 2 Findings ............................................................................................................................................... 3 3 Project Description .............................................................................................................................. 5 4 Vallecitos Water District .................................................................................................................... 11 5 Historical and Projected Water Demands ......................................................................................... 13 5.1 Demand Management ............................................................................................................. 14 5.1.1 BMP Categories ......................................................................................................... 14 5.1.2 Senate Bill X 7-7 ......................................................................................................... 16 6 Existing and Projected Supplies .......................................................................................................
    [Show full text]
  • San Vicente Dam San Diego, California
    CASE STUDY Sika at Work Content contributed by the San Diego County Water Authority (www.sdcwa.org), the City of San Diego (www.sandiego.gov) and Petr Masek Photography (www.masekphoto.com). Sika… One Name. One Source. Worldwide. San Vicente Dam San Diego, California ISO 9001 Certificate # FM 69711 RC 14001 Certificate # RC 510999 Sika Corporation Sika Canada Inc. Sika Mexicana S.A. de C.V. 201 Polito Avenue 601 Delmar Avenue Carretera Libre Celaya Km. 8.5 Lyndhurst NJ 07071 Pointe Claire QC H9R 4A9 Fracc. Industrial Balvanera Tel: 800 933 7452 Tel: 514 697 2610 Corregidora Queretaro C.P. 76920 Fax: 800 294 6408 Fax: 514 694 2792 Tel: 52 442 2385800 www.sikausa.com www.sika.ca Fax: 52 442 2250537 San Vicente Dam • Construction Period: 2009 – 2014 Raising the Dam Layers of roller-compacted concrete 24 inches thick completely cover the down- stream side, producing a stairstepped surface. The new concrete is nearly equal in • Owner: City of San Diego San Vicente Dam, which is owned and operated by the city of volume to the original dam. • Engineer: Parsons Engineering San Diego, currently stands at 220 feet. The Water Authority will raise the dam an additional 117 feet – the tallest dam raise Additional phases of the project include a new marina, a replacement pipeline, and • Contractor: Shimmick Construction & in the United States and the tallest of its type in the world. The restoration of project construction areas. They will begin, one at a time, after the Obayashi Constructors JV raised dam will store an additional 152,000 acre-feet of water, dam raise is complete.
    [Show full text]
  • Description of Source Water System
    CHAPTER 2 DESCRIPTION OF THE SOURCE WATER SYSTEM 2.0 Description of the Source Water System During the last 100 years, the CSD’s water system has evolved into a very complex system. It is now estimated to serve a population of 1.4 million people spread out over 370 square miles (Table 2.1). The CSD treats imported raw water and local runoff water at three City WTPs which have a combined capacity of 378 MGD. The CSD treats water by conventional technologies using coagulation, flocculation, sedimentation, filtration and disinfection. Recently, all CSD water treatment plants have been modified to provide for the addition of fluoride to the potable water supply. To ensure safe and palatable water quality, the CSD collects water samples at its reservoirs, WTPs, and throughout the treated water storage and distribution system. The CSD’s use of local and imported water to meet water demand is affected by availability, cost, and water resource management policies. Imported water availability decreases the need to carry over local water for dry years in City reservoirs. CSD policy is to use local water first to reduce imported water purchases; this policy runs the risk of increased dependence on imported water during local droughts. Table 2.1 - City of San Diego General Statistics Population (2010) 1,301,621 Population (Estimated 2014) 1,381,069 Population percent change 6.1 Land Area Square Miles 370 Population Density per Square Mile 3733 Water Distribution Area Square Miles 403 Number of Service Connections (2015) 279,102 2.1 Water Sources (Figure 2.1) Most of California's water development has been dictated by the multi-year wet/dry weather cycles.
    [Show full text]
  • (877) 426-2010 Getting Ready for Construction on San Vicente Dam
    Emergency Storage Project San Diego County Water Authority Emergency Storage Project Spring 2009 Edition Hodges Construction Pipe Installation Progresses Time to Conserve Equipment Testing for Reaches Key Milestone for San Vicente Pipeline Water is Now Pumping Facilities Starts Soon Page 2 Page 2 Page 3 Page 4 The Emergency Storage Project is a system of reservoirs, interconnected Getting Ready for Construction on San Vicente Dam Raise pipelines, and pumping Good news for San Diego County: construction starts soon stations designed to on the San Vicente Dam Raise, the last major component make water available of the Emergency Storage Project. The San Diego County to the San Diego region Water Authority will select a contractor for the first phase of in the event of an construction on the dam raise this spring, and construction is interruption in imported expected to begin before summer. water deliveries. The San Vicente Dam Raise project will increase the height of the existing dam by 117 feet. This will more than double the The Emergency Storage reservoir’s water storage capacity. By raising the dam, the Project is part of the Water Authority will be able to store an additional 152,000 San Diego County Water acre-feet of water for two purposes: for use in emergencies Authority’s Capital if the San Diego region’s imported water supply is cut off, Improvement Program to and for storage of surplus water during wet seasons for use enhance and increase during dry seasons. the operational This first construction phase will prepare the dam for the dam- flexibility of its water raising concrete work during the next phase.
    [Show full text]
  • Local Rainfall and Reservoirs
    Local Rainfall and Reservoirs San Diego County Reservoirs ORANGE COUNTY RIVERSIDE COUNTY RED MOUNTAIN SAN DIEGO COUNTY RESERVOIR Fallbrook 76 DIVERSIFICATION MORRO HILL RESERVOIR Local Storage: LAKE HENSHAW Enhancing Water 15 TURNER LAKE A Vital Water Supply Reliability Vista Resource Oceanside 78 DIXON LAKE MAERKLE RESERVOIR LAKE WOHLFORD San Marcos SUTHERLAND Carlsbad San Diego Escondido RESERVOIR County’s semiarid OLIVENHAIN RESERVOIR climate means that SAN DIEGUITO Encinitas RESERVOIR 5 truly wet years are LAKE HODGES LAKE RAMONA few and far between, Solana Beach LAKE POWAY CUYAMACA and dry years are very 15 RESERVOIR Del Mar 56 Poway SAN VICENTE RESERVOIR common. Since 1976, the EL CAPITAN MIRAMAR RESERVOIR amount of local surface RESERVOIR 805 Santee water used to help meet La Jolla 52 LAKE JENNINGS annual demand has been as 67 high as 140,300 acre-feet LAKE MURRAY El Cajon 163 LOVELAND 8 RESERVOIR and as low as 4,071 acre- La Mesa feet. Consequently, runoff from 5 San Diego 94 SWEETWATER RESERVOIR BARRETT LAKE Lemon local rainwater that flows into Coronado Grove reservoirs – commonly National City MORENA 54 RESERVOIR called surface water – Chula Vista AF = acre-foot LOWER OTAY RESERVOIR represents a vital One acre-foot is but small portion of 905 approximately San Diego County’s Maerkle, Red Mountain and Morro Hill store 325,900 gallons, MEXICO treated water and do not capture local runoff. enough to supply water supply needs. 2.5 single-family Over the past 10 years, an Enhancing Water Storage households of four average of about 7 percent of the Today, the Water Authority and its mem- for a year.
    [Show full text]
  • San Vicente Dam Raise
    San Vicente Dam Raise Investing in Water Reliability Raising the height of San Vicente Dam was one of the last major components of the San Diego County Water Authority’s $1.5 billion Emergency & Carryover Storage Project, helping ensure that water is available to the San Diego region even if access to imported Improving water supplies is interrupted. INFRASTRUCTURE The Water Authority raised San Vicente Dam 117 feet to store additional water for regional use during times of water scarcity. It is the tallest The completed San Vicente Dam Raise was stained to Emergency & Carryover Storage Project dam raise in the blend in with the landscape. The San Vicente Dam Raise is part of the Emergency United States and & Carryover Storage Project, a system of reservoirs, the tallest dam San Vicente Dam interconnected pipelines and pumping stations designed raise of its type San Vicente Dam has been owned and to make water available to the San Diego region if in the world. The operated by the City of San Diego since its imported water deliveries are interrupted. reservoir expan- construction in 1943. At the dam’s original sion added more height of 220 feet, the reservoir could store than 157,000 90,000 acre-feet of water for city customers. acre-feet of The City of San Diego retains ownership and water, more than use of its original storage capacity, while the doubling its ca- Water Authority manages the new storage pacity. The dam capacity for use by the region. The two agen- raise created cies share the cost of operating and maintain- the greatest ing the expanded dam and reservoir.
    [Show full text]
  • 21St Century Dam Design — Advances and Adaptations
    United States Society on Dams 21st Century Dam Design — Advances and Adaptations 31st Annual USSD Conference San Diego, California, April 11-15, 2011 CONTENTS Plenary Session Managing Multiple Priorities: Raising a Dam, Operating a Reservoir, and Coordinating a System of Projects ............................1 Kelly Rodgers and Gerald E. Reed III, San Diego County Water Authority; Rosalva Morales and Yana Balotsky, City of San Diego; Thomas O. Keller, GEI Consultants, Inc.; and Kevin N. Davis, Black & Veatch Corporation Partnering with Project Stakeholders at the San Vicente Dam Raise...........3 Thomas C. Haid, Parsons/Black & Veatch JV; Gerald E. Reed III, Vic Bianes and Kelly Rodgers, San Diego County Water Authority; and William A. Corn, Shimmick Construction Company Managing Unexpected Endangered Species Issues on Bid-Ready Projects........5 Anita M. Hayworth, Dudek; Mary Putnam, San Diego County Water Authority; and Douglas Gettinger, Jeffrey D. Priest and Paul M. Lemons, Dudek Planning and Cost Reduction Considerations for RCC Dam Construction........7 Adam Zagorski, Shimmick/Obayashi JV; and Mike Pauletto, M. Pauletto and Associates Ten Years After the World Commission on Dams Report: Where Are We?........9 Manoshree Sundaram, Federal Energy Regulatory Commission Australian Risk Approach for Assessment of Dams ...................11 M. Barker, GHD The Relative Health of the Dams and Reservoirs Market ................13 Del A. Shannon, ASI Constructors, Inc. Design of the Dams of the Panama Canal Expansion ..................15 Lelio Mejia, John Roadifer and Mike Forrest, URS Corporation; and Antonio Abrego and Maximiliano De Puy, Autoridad del Canal de Panama Concrete Dams: Advances in Analysis Myponga Dam Stability Evaluation: Modeling Stress Relaxation for Arch Dams Using Linear Finite Element Analysis ..........................17 Scott L.
    [Show full text]
  • San Vicente Dam Raise Complete
    CONTRACTOR NEWS & VIEWS San Vicente Dam Raise Complete JULY 2014 CONTENTS SAN VICENTE dam eature F 6 RAISE COMplETE In This Issue “Topping Out” <<for SDUSD’S César E. Chávez Campus CONSTRUCTION EXPO<< 2014 Page Page 11 20 Also Inside 12Page P.S. It’s the law. Avoid Solar Assault......................14 AVOIDING THE BATTlE OF lITIGATION Are you a good decision maker?....16 America, One Nation A Contractor News, Inc Publication Publisher: Sandra C. Caples Under God Tel: (760) 466-7790• 9921 Carmel Mountain Road #231 •San Diego, CA 92129• [email protected] Contractor News and Views is published monthly. The opinions and assertions contained herein are those of the authors. Reproduction, either whole or in part, is not permitted without the express consent of the publisher. Copyright 2014 by Contractor News and Views. All rights reserved. Mike Caples : Editor Jenny Caples : Graphic Design Advertising rates are available upon request. Call Mike at (760) 466-7790. Contractor News and Views is not responsible for content in ads submitted by advertisers. TBA Want to see photos from an event? This magazine was produced by: CNV has a new photo Website! Need Sales??? CALL CNV FOR AdveRTISING OPPORTUNITIES IN SAN DIEgo’S LEADING www.contractornews.photoshelter.com CONSTRUCTION MAGAZINES! Free downloads until 8/31/14 Tel: (760) 466-7790 Just enter password: 2014 www.contractor-news.com 760.466.7790 JULY 2014 CONTRACTOR NEWS 5 HISTORIC SAN VICENTE DAM RAISE PROJECT COMPLETED The largest water storage project in San Diego County history is complete, providing the region with a critical hedge against future water shortages.
    [Show full text]
  • San Vicente Dam Raise Briefing Summary
    EMERGENCY STORAGE PROJECT San Vicente Dam Raise Briefing Summary DATE: May 14, 2008 TIME: 7 p.m. ORGANIZATION: Lakeside Design Review Board MEETING LOCATION: Lakeside Community Center PRESENTERS: Kelly Rodgers, SDCWA STAFF RESOURCES: Jessica Berlin, Katz & Associates Kelly Rodgers, project manager for the San Vicente Dam Raise project, introduced herself and said that Jeff Shoaf, the former project manager, has moved into a more senior role at the Water Authority. Kelly has been working on the San Vicente Dam Raise project for about a year. Kelly gave a brief project overview, but said that she would be giving the full project overview at the Lakeside Planning Group meeting on Wednesday, May 21. She said the Carryover Storage Project EIR was certified last month, so the dam will be raised the full 117 feet, to store an additional 152,000 acre-feet of water in San Vicente Reservoir. The city of San Diego began lowering the reservoir’s water level in April, in preparation for the beginning of dam raise construction. It is lowering at about 1.5 feet per week and it should be below the boat launch ramp (and closed to recreation) in August or September for six to nine years. Kelly said that the Water Authority is looking at ways to open the reservoir to recreation sooner. She said that the project team is about halfway through the design of the project, and the first construction package is scheduled to begin in early 2009. She also announced that the last tour of the project site before construction begins is scheduled for Saturday, June 28 (from 9 a.m.
    [Show full text]
  • Drought Brochure 2021 Update
    Drought In California January 2021 California Department of Water Resources | Natural Resources Agency | State of California Major Water Facilities Tule Lake Clear LLaakke Reservoir Trinity Reservoir Shasta Lake Whiskeytown Redding State Water Project Lake Antelope Federal Water Project Corning Canal Lake Tehama-ColuColussa Local Water Project Canal Frenchmmaan BlackBlack ButteButte LaLakke Lake Lake Lake Oroville Davis Stony GoGorgege Reservvoioir New BullBullaards East PaParrk Reservoivoir Bar Reservoir Lake Mennddoocincino Englebrightight Reservoivoir Indian Vaalleylley Reservoivoir Glenn-Colusa Canal Lake Sonoma Folsom Lake Lake Sacramento Auburn FolFolsom Sooututhh CCananaal Berryessa Putah S. CanaCanal Camanche Reservvoioir North Bay Aqueduct Mokelkeluummnne New Hogan Reservoir AqAquedueducuct New Meloelonnees LaLakke Contra Costa CCananal Stockton Los Vaqueros Reservoir Hetch Hetchyetchy Reservoir Don Pedro Lake San Francisco Lake McClure Lake Crowley Lake Hetch Hetchy Aqueduct Del Vaalllle South Bay Aqueduceduct Delta-Meendotandota Pachechecoo Conduit Canal Madera CaCanal Tinemaha Santa Clara CondConduiuit Millerton Lake Reservoir Hollister Condduuiit Pine Flat Reservoir San Luis Reeservvoioir Fresno San Luis Los Banos Reservoir Canal Lake Friant-Kern Kaweah Coalinga Canal Canal Haiwee Reservoir Lake Calif Success San Antonio Reservvoioir or Nacimientnto ni Isabella Reservoiir a Lake Los Angeles Cross Valley Aqueduct Canal California Aqueduct Twitchelwitchell Coastal Branch Reservoir Quail Lake Aq ued Pyramid LaLakke u ct Colorado
    [Show full text]
  • San Vicente Pumped Storage Project
    20141016-5175 FERC PDF (Unofficial) 10/16/2014 2:27:10 PM BEFORE THE FEDERAL ENERGY REGULATORY COMMISSION APPLICATION FOR PRELIMINARY PERMIT SAN VICENTE PUMPED STORAGE PROJECT SUBMITTED BY: San Diego County Water Authority 4677 Overland Avenue San Diego, California 92123 October 2014 20141016-5175 FERC PDF (Unofficial) 10/16/2014 2:27:10 PM 20141016-5175 FERC PDF (Unofficial) 10/16/2014 2:27:10 PM TABLE OF CONTENTS Page INITIAL STATEMENT 1 EXHIBIT 1 – DESCRIPTION OF PROPOSED PROJECT 10 1.0 Introduction, Background, and Project Configuration 10 2.0 Reservoirs 11 3.0 Transmission Line and Interconnection 13 4.0 Project Capacity 13 5.0 Public Lands 14 6.0 Other Information 15 EXHIBIT 2 – STUDY PLAN 16 1.0 General Requirement 16 1.1 Project Studies 16 1.2 New Roads 22 2.0 New Dam Construction Work Plan 22 2.1 Field Studies Impacts 22 2.2 Proposed Schedule 22 2.3 New Dam Construction 24 3.0 Waiver 24 4.0 Statement of Costs and Financing 24 4.1 Estimated Costs 24 4.2 Financing 24 4.3 Proposed Market for Power Generation 24 EXHIBIT 3 – PROJECT MAPS/DRAWINGS 26 Figure 1 Location Map Figure 2 Regional Map of Water Authority Service Area Figure 3 Project Study Area Figure 4 FERC Project Boundary Area Figure 4a Upper Reservoir Alternatives Configuration Figure 5 San Vicente Dam & Reservoir Raise Plan Figure 6 Typical Site Profile Figure 7 SDG&E Sunrise Powerlink Figure 8 Land Ownership Map Figure 9 New Saddle Dams – Upper Reservoir Figure 10 Transmission Line and Interconnection Alignment ATTACHMENT 1 – Legal Authority of Applicant as a Municipality (County Water Authority Act) 2014 Page 1 20141016-5175 FERC PDF (Unofficial) 10/16/2014 2:27:10 PM INITIAL STATEMENT BEFORE THE FEDERAL ENERGY REGULATORY COMMISSION APPLICATION FOR PRELIMINARY PERMIT 1.0 The San Diego County Water Authority (Water Authority) applies to the Federal Energy Regulatory Commission (FERC) for a preliminary permit for the proposed San Vicente Pumped-Storage Project (Project), as described in the attached exhibits.
    [Show full text]
  • 4.17 Water Supply
    4.17 Water Supply 4.17 WATER SUPPLY This section evaluates the potential impacts to the regional water supply associated with implementation of the 2050 RTP/SCS. The information presented was compiled from multiple sources, including the San Diego County Water Authority (SDCWA) and Metropolitan Water District (MWD) planning documents, and City of San Diego Water Department and Caltrans staff. Information was compiled from data in the Metropolitan Water District (MWD) 2010 Integrated Water Resources Plan Update (MWD 2010) and 2009 Annual Report, the San Diego County Water Authority (SDCWA) 2005 Urban Water Management Plan (UWMP) (SDCWA 2007), the SDCWA Draft 2010 UWMP (SDCWA 2010), 2003 Regional Water Facilities Master Plan (SDCWA 2002), and urban water management plans of local water districts and agencies. Ongoing water planning efforts by the State Department of Water Resources were also reviewed. 4.17.1 EXISTING CONDITIONS There are a multitude of independent districts and agencies that share the responsibility for the planning and management of the potable water delivery system throughout the San Diego region. The following section describes the water supply in the region by examining potable water supply and distribution in four categories: (1) MWD; (2) SDCWA and SDCWA Member Water Districts; (3) Special Districts and San Diego County-Operated Water Systems outside the SDCWA service area (groundwater dependent users); and (4) Borrego Valley Aquifer. Borrego Valley Aquifer is included in this discussion because this water supply source has a well-documented groundwater overdraft condition. An overdraft condition occurs when, year after year, groundwater extraction exceeds the amount of groundwater that is recharged back into the aquifer.
    [Show full text]