DOCSLIB.ORG

Regional Water Facilities Master Plan December 2002

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text

Load more

Draft Regional Water Facilities Master Plan December 2002 Draft Regional Water Facilities Master Plan prepared by San Diego County Water Authority Engineering Department December 2002 4677 Overland Avenue San Diego, California 92123 http://www.sdcwa.org Acknowledgements San Diego County Water Authority Engineering Water Resources John Economides Ken Weinberg Richard Pyle Paul Gebert Jennifer Nakayama Tim Bombardier Tim Suydam Bob Yamada Gardenia Gomez Larry Purcell Rachel Loring Kelley Gage Aaron Rouch Dana Friehauf Terry Walech Jeff Ciccone John Balha Operations and Maintenance General Manager’s Office Bryan Troupe Lee Willer Joe Wegand Imported Water Public Affairs Scott Willett Donna Nenow Dave Fogerson Patty Brock Administrative Services General Counsel Matthew Brown Daniel Hentschke Clint Garrison Finance Right of Way Jim Munson George Brady Mark Delin Outside Consulting Services Engineering Consulting Services Montgomery Watson Harza Bill Moser Confluence Model Modifications Imported Supply Reliability Model Gary Fiske & Associates A&N Technical Services Gary Fiske Tom Chesnutt Pete Swartz Technical Publication Services Lyrica Melissa Osborne Member Agencies of San Diego County Water Authority CMWD Carlsbad Municipal Water District Del Mar City of Del Mar Escondido City of Escondido Fallbrook PUD Fallbrook Public Utility District HWD Helix Water District National City City of National City Oceanside City of Oceanside OMWD Olivenhain Municipal Water District OWD Otay Water District PDMWD Padre Dam Municipal Water District Pendleton Pendleton Military Reservation Poway City of Poway RMWD Rainbow Municipal Water District Ramona MWD Ramona Municipal Water District Rincon del Diablo MWD Rincon del Diablo Municipal Water District San Diego City of San Diego SBID South Bay Irrigation District SDWD San Dieguito Water District SFID Santa Fe Irrigation Irrigation District VCMWD Valley Center Municipal Water District VID Vista Irrigation District VWD Vallecitos Water District Yuima Yuima Municipal Water District Other Water Agencies SWA Sweetwater Authority Metropolitan Metropolitan Water District of Southern California DRAFT DECEMBER 2002 Table of Contents Chapter 1 Chapter 2 Introduction Study Methodology Authority Mission............................... 1-1 Water Facilities Master Planning Process ................................ 2-1 Legislative Mandate ........................... 1-1 Water Facility Planning: a Reliability-Based Approach ............. 2-2 Authority Background ........................ 1-1 History ......................................................... 1-1 Master Plan Approach to Service Area ............................................... 1-2 Determining Facility Requirements .................................... 2-3 Member Agencies ...................................... 1-2 Water Demand ........................................... 2-4 Population ................................................... 1-2 Water Supplies ........................................... 2-4 Water Delivery System .............................. 1-2 Description of Confluence™ Model........ 2-6 Master Plan Purpose and Master Plan Development ......................... 2-7 Guiding Principles............................. 1-5 Reliability .......................................... 1-5 Authority Policies............................... 1-7 Additional Board Policies .......................... 1-7 Master Plan Report ............................ 1-8 Environmental Compliance ............... 1-8 REGIONAL WATER FACILITIES MASTER PLAN TOC-1 DECEMBER 2002 DRAFT Chapter 3 Future Supplies and the CALFED Bay-Delta Program ..................... 4-7 Water Demand Firm Water Supply from Metropolitan – Projections Preferential Right to Water ........................ 4-8 The Authority-IID Water Conservation and Transfer Agreement ........................... 4-8 Current and Historic Future Supplies ............................................ 4-9 Water Demand ................................... 3-2 Other Competitive Imported Water Sources ........................... 4-9 Deterministic Demand Forecast ............................... 3-3 Local Water Resources ..................... 4-10 Demand Forecasts for Demand Management ..............................4-10 Facilities Master Plan ......................... 3-4 Surface Water ........................................... 4-12 Probabilistic M&I Forecasts ...................... 3-5 Water Recycling ....................................... 4-12 Probabilistic Agricultural Forecasts .......... 3-5 Groundwater ............................................. 4-12 Probabilistic Combined M&I and Seawater Desalination ...............................4-13 Agricultural Forecasts ................................ 3-7 Foundation for the Masgter Plan Resource Mix ............................................4-13 Analysis of Annual and Peak Demands ............................ 3-7 Reliability Analysis of Local Groundwater and Recycled Water Supplies................................. 4-14 Chapter 4 Imported Supply Variability ............ 4-17 Water Supply Analysis Imported Supply Model ......................... 4-19 Unlimited Imported Supply .................... 4-19 Imported Supply Reliability ................... 4-20 Imported Water Supplies................... 4-1 Data Infilling............................................. 4-20 Colorado River Water Supply .................. 4-2 Limited Imported Supply........................ 4-20 Reliability Issues .......................................... 4-2 Summary ................................................... 4-20 Future Supplies and California’s Colorado River Water Use Plan ................... 4-4 State Water Project..................................... 4-4 Reliability Issues .......................................... 4-4 Environmental Considerations ..................... 4-5 Water Quality Considerations ....................... 4-5 Current Supplies ........................................... 4-7 TOC-2 TABLE OF CONTENTS DRAFT DECEMBER 2002 Chapter 5 San Diego Formation Aquifer Storage and Recovery Feasibility Study ................... 5-14 Assessment of the Regional System: Analysis of Baseline System ............. 5-15 Baseline Condition Overall Reliability .....................................5-17 Treatment Facilities .................................. 5-19 Conveyance System ..................................5-21 Existing Facilities ............................... 5-1 First Aqueduct ............................................ 5-1 Second Aqueduct ....................................... 5-4 Reach from Metropolitan Delivery Chapter 6 Point to Twin Oaks Valley Diversion Structure5-4 Facility Options Reach from Twin Oaks Valley Diversion Structure to Miramar Vents .......................... 5-5 Reach from Miramar Vents to Miramar WTP ............................................. 5-5 Rehabilitation of Existing Facilities ............................... 6-2 Reach from Miramar WTP to Alvarado WTP ............................................. 5-5 Reach from Alvarado WTP to Expand Internal System Capacity ...... 6-2 Lower Otay Reservoir ................................... 5-6 Flow Regulatory Storage............................ 6-4 Treatment Plants......................................... 5-6 Hubbard Hill Terminal Structure ................. 6-4 Slaughterhouse Terminal Structure ................ 6-4 Planned Improvements ................................... 5-6 North County FRS ....................................... 6-4 Mission Trails FRS II ................................. 6-4 Capital Improvement Program................. 5-6 Treated FRS – Twin Oaks Valley Diversion Emergency Storage Project ......................5-11 Structure ....................................................... 6-8 System Condition Assessment — Projects to Increase Regional Aqueduct Protection Program (APP) ......5-11 Untreated-Water Conveyance Capacity ... 6-8 Related Studies ......................................... 5-12 Convert LMSE to Untreated Water........... 6-10 Crossover Pipeline No. 2 .............................. 610 Urban Water Management Plan ................ 5-12 Convert Pipeline 3 from Twin Oaks Valley Groundwater Storage and Recovery Studies 5-13 Diversion Structure to Miramar Vents ........ 6-10 Lower San Luis Rey River Valley Reconfigure Pipelines from Groundwater Storage and Recovery Miramar Vents to Highway 52 .................. 6-10 Feasibility Study ........................................ 5-13 New Pump Station at Lower Otay Reservoir for Delivery of Untreated Water to Pipeline 3 .................................................. 6-15 New Pump Station at Sweetwater Reservoir for Delivery of Untreated Water to Pipeline 3 .................................................. 6-15 REGIONAL WATER FACILITIES MASTER PLAN TOC-3 DECEMBER 2002 DRAFT Additional Water Additional Seasonal/ Treatment Capacity.......................... 6-15 Carryover Storage............................ 6-41 Projects to Supplement Moosa Canyon Reservoir ........................ 6-42 Treated-Water Aqueducts .........................6-17 Expansion of Existing San Treated Water from Vicente Reservoir ..................................... 6-42 Escondido–Vista WTP .............................. 6-18 Groundwater Projects .............................. 6-43 Treated Water from Oceanside’s Weese WTP............................. 6-23 New Conveyance and Supply ........... 6-44 Treated Water from Olivenhain WTP ........ 6-23 Treated Water from Miramar WTP
Recommended publications
  • AGENDA REGULAR MEETING of the BOARD of DIRECTORS District Board Room, 2890 Mosquito Road, Placerville, California February 25, 2019 — 9:00 A.M

    AGENDA REGULAR MEETING of the BOARD of DIRECTORS District Board Room, 2890 Mosquito Road, Placerville, California February 25, 2019 — 9:00 A.M

    AGENDA REGULAR MEETING OF THE BOARD OF DIRECTORS District Board Room, 2890 Mosquito Road, Placerville, California February 25, 2019 — 9:00 A.M. Board of Directors Alan Day—Division 5 George Osborne—Division 1 President Vice President Pat Dwyer—Division 2 Michael Raffety—Division 3 Lori Anzini—Division 4 Director Director Director Executive Staff Jim Abercrombie Brian D. Poulsen, Jr. Jennifer Sullivan General Manager General Counsel Clerk to the Board Jesse Saich Brian Mueller Mark Price Communications Engineering Finance Jose Perez Tim Ranstrom Dan Corcoran Human Resources Information Technology Operations PUBLIC COMMENT: Anyone wishing to comment about items not on the Agenda may do so during the public comment period. Those wishing to comment about items on the Agenda may do so when that item is heard and when the Board calls for public comment. Public comments are limited to five minutes per person. PUBLIC RECORDS DISTRIBUTED LESS THAN 72 HOURS BEFORE A MEETING: Any writing that is a public record and is distributed to all or a majority of the Board of Directors less than 72 hours before a meeting shall be available for immediate public inspection in the office of the Clerk to the Board at the address shown above. Public records distributed during the meeting shall be made available at the meeting. AMERICANS WITH DISABILITIES ACT: In accordance with the Americans with Disabilities Act (ADA) and California law, it is the policy of El Dorado Irrigation District to offer its public programs, services, and meetings in a manner that is readily accessible to everyone, including individuals with disabilities.
  • Description of Source Water System

    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.
  • Water Resources Availability Study Non-Groundwater Sources Sunrise Powerlink Environmentally Superior Southern Route

    Water Resources Availability Study Non-Groundwater Sources Sunrise Powerlink Environmentally Superior Southern Route

    Prepared for San Diego Gas & Electric Company 101 Ash Street, HQ13 San Diego, California 92101 Water Resources Availability Study Non-Groundwater Sources Sunrise Powerlink Environmentally Superior Southern Route Prepared by Geosyntec Consultants 10875 Rancho Bernardo Road, Suite 200 San Diego, California 92127 Geosyntec Project Number: SC0522 23 April 2010 Sunrise Powerlink Water Resources Availability Study Non-Groundwater Sources Table of Contents Page EXECUTIVE SUMMARY ....................................................................................................................... 1 1. INTRODUCTION ........................................................................................................................... 1 1.1 Objectives ..................................................................................................................... 1 1.2 Water Sources Evaluated .............................................................................................. 1 2. RECLAIMED WATER .................................................................................................................. 3 2.1 Regulatory Compliance for Use of Reclaimed Water .................................................. 4 2.1.1 Regional Water Quality Control Board – Region 9 – San Diego Basin ............................................................................................................ 4 2.1.2 Regional Water Quality Control Board – Region 7 – Colorado River Basin ...........................................................................................................
  • East County Advanced Water Purification Project Final Initial Study/Mitigated Negative Declaration SCH# 2018091029

    East County Advanced Water Purification Project Final Initial Study/Mitigated Negative Declaration SCH# 2018091029

    Attachment 1 East County Advanced Water Purification Project Final Initial Study/Mitigated Negative Declaration SCH# 2018091029 December 2018 Prepared for: Padre Dam Municipal Water District 9300 Fanita Parkway Santee, CA 92071 Prepared by: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard La Mesa, CA 91942 East County Advanced Water Purification Project Final Initial Study/ Mitigated Negative Declaration SCH# 2018091029 Prepared for: Padre Dam Municipal Water District 9300 Fanita Parkway Santee, CA 92071 Prepared by: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard La Mesa, CA 91942 December 2018 | KJC-24.1 TABLE OF CONTENTS Section Page FOREWORD ................................................................................................................................................ F-1 1.0 PROJECT INFORMATION .................................................................................................................. 1 2.0 PROJECT DESCRIPTION ..................................................................................................................... 3 3.0 EVALUATION OF ENVIRONMENTAL IMPACTS ............................................................................... 18 I. Aesthetics .......................................................................................................................... 19 II. Agriculture and Forest Resources ..................................................................................... 23 III. Air Quality ........................................................................................................................
  • San Diego History Center Is a Museum, Education Center, and Research Library Founded As the San Diego Historical Society in 1928

    San Diego History Center Is a Museum, Education Center, and Research Library Founded As the San Diego Historical Society in 1928

    The Jour nal of Volume 56 Winter/Spring 2010 Numbers 1 & 2 • The Journal of San Diego History San Diego History 1. Joshua Sweeney 12. Ellen Warren Scripps 22. George Washington 31. Florence May Scripps 2. Julia Scripps Booth Scripps Kellogg (Mrs. James M.) 13. Catherine Elizabeth 23. Winifred Scripps Ellis 32. Ernest O’Hearn Scripps 3. James S. Booth Scripps Southwick (Mrs. G.O.) 33. Ambrosia Scripps 4. Ellen Browning Scripps (Mrs. William D.) 24. William A. Scripps (Mrs. William A.) 5. Howard “Ernie” Scripps 14. Sarah Clarke Scripps 25. Anna Adelaide Scripps 34. Georgie Scripps, son 6. James E. Scripps (Mrs. George W.) (Mrs. George C.) of Anna and George C. 7. William E. Scripps 15. James Scripps Southwick 26. Baby of Anna and Scripps 8. Harriet Messinger 16. Jesse Scripps Weiss George C. Scripps 35. Hans Bagby Scripps (Mrs. James E.) 17. Grace Messinger Scripps 27. George H. Scripps 36. Elizabeth Sweeney 9. Anna Scripps Whitcomb 18. Sarah Adele Scripps 28. Harry Scripps (London, (Mrs. John S., Sr.) (Mrs. Edgar B.) 19. Jessie Adelaide Scripps England) 37. John S. Sweeney, Jr. 10. George G. Booth 20. George C. Scripps 29. Frederick W. Kellogg 38. John S. Sweeney, Sr. 11. Grace Ellen Booth 21. Helen Marjorie 30. Linnie Scripps (Mrs. 39. Mary Margaret Sweeney Wallace Southwick Ernest) Publication of The Journal of San Diego History is underwritten by a major grant from the Quest for Truth Foundation, established by the late James G. Scripps. Additional support is provided by “The Journal of San Diego Fund” of the San Diego Foundation and private donors.
  • Rancho La Puerta, 2016

    Rancho La Puerta, 2016

    The Journal of The Journal of SanSan DiegoDiego Volume 62 Winter 2016 Number 1 • The Journal of San Diego History Diego San of Journal 1 • The Number 2016 62 Winter Volume HistoryHistory The Journal of San Diego History Founded in 1928 as the San Diego Historical Society, today’s San Diego History Center is one of the largest and oldest historical organizations on the West Coast. It houses vast regionally significant collections of objects, photographs, documents, films, oral histories, historic clothing, paintings, and other works of art. The San Diego History Center operates two major facilities in national historic landmark districts: The Research Library and History Museum in Balboa Park and the Serra Museum in Presidio Park. The San Diego History Center presents dynamic changing exhibitions that tell the diverse stories of San Diego’s past, present, and future, and it provides educational programs for K-12 schoolchildren as well as adults and families. www.sandiegohistory.org Front Cover: Scenes from Rancho La Puerta, 2016. Back Cover: The San Diego River following its historic course to the Pacific Ocean. The San Diego Trolley and a local highrise flank the river. Design and Layout: Allen Wynar Printing: Crest Offset Printing Editorial Assistants: Cynthia van Stralen Travis Degheri Joey Seymour Articles appearing in The Journal of San Diego History are abstracted and indexed in Historical Abstracts and America: History and Life. The paper in the publication meets the minimum requirements of American National Standard for Information Science-Permanence of Paper for Printed Library Materials, ANSI Z39.48-1984. The Journal of San Diego History IRIS H.
  • Indigenous Cultures and History in Calibaja Frontera Friday Issue Brief No

    Indigenous Cultures and History in Calibaja Frontera Friday Issue Brief No

    INDIGENOUS CULTURES AND HISTORY IN CALIBAJA FRONTERA FRIDAY ISSUE BRIEF NO. 4 Frontera Fridays are quarterly events that connect leaders from both sides of the border to UC San Diego and serve as a platform for learning, networking and discussing opportunities and challenges that make our binational region unique. They are organized by the Center for U.S.-Mexican Studies (USMEX) at the School of Global Policy and Strategy (GPS) and the Urban Studies & Planning Program (USP) and honor the legacy of Chuck Nathanson and the San Diego Dialogue. The Kumeyaay-Digueno people (known as Kumiai in Baja California) have inhabited the Calibaja region for more than 10,000 years. They established seasonal settlements along the coast from north of La Jolla to Ensenada, in the mountain regions from Palomar through Tecate, and into the desert regions of the Imperial/Mexicali Valleys. They fished, hunted and utilized the wide varieties of plant life found in the San Diego and Tijuana River watersheds both for food and medicine. The arrival of the Spanish missionaries and soldiers in the late 18th century disrupted the Kumeyaay way of life. They were forced to labor on the mission properties, cultivating non-native plants and raising livestock. Although the first Baja California mission was established at Loreto in what is now Baja California Sur in 1697, there was not significant presence of Spaniards in the Kumeyaay areas until after the founding of the San Diego de Alcala mission in 1769. After that, land grants awarding traditional lands to the foreigners, encroachment on villages by colonizing ranchers and settlers, and death from forced labor and foreign diseases followed.
  • 2018 Annual Drinking Water Quality Report

    2018 Annual Drinking Water Quality Report

    2018 Quality Annual Drinking Water Quality Report Value Reliability Customer Service 1 Annual Drinking Water Quality Report 2018 City of San Diego’s Tap Water Supply Meets all State and Federal Health Standards in 2018 The City of San Diego is committed to providing you with a clean, safe and stable water supply. It’s the priority of every employee of the City’s Public Utilities Department. Those efforts matter. Based on the water quality monitoring data collected in 2018, the City’s tap water met all state and federal drinking water health standards, which are the primary standards for treating and monitoring water. The U.S. Environmental Protection Agency (EPA) and the California Division of Drinking Water mandate all water agencies to produce an annual document educating customers about their drinking water quality for the previous year. This annual Drinking Water Quality Report details the origin of the City’s water supply, what it contains and how it meets health standards. A Message from the Director CONTACT On behalf of the 1,600 team members in the City of San Diego’s Public Utilities Public Utilities Emergency Hotline ...........................................619-515-3525 Department, I am pleased to deliver the 2018 Drinking Water Quality Report. General and Billing Information ..............................................619-515-3500 As the water supplier to 1.4 million customers, it is our job to provide you with safe [email protected] and reliable drinking water. We are proud that the 300,000 tests we conduct annually Water Quality Lab .................................................................. 619-668-3232 demonstrate that our water meets all regulatory quality standards.
  • U N S U U S E U R a C S

    U N S U U S E U R a C S

    DISTRICT 45 RIVERSIDE Salton Sea 109thRainbow Congress of the United States Desert Shores Salton Sea Beach Pauma and Yuima Res StHwy 86 Torres-Martinez Res Salton Oneill Lake City Fallbrook Pala Res Pauma and Yuima Res Bo rreg Pauma and Yuima Res o S alt StHwy 76 on 6 Los Coyotes Res Se 7 aw Camp Pendleton y Fonts Point Wash ay w San Luis Riverey River S t Regional MdCtr H H t w S y 79 5 9 3 y Bonsall a w La Jolla Res h ig H d l O y Rive is Rivere r Lu n a S n ssio Mi ) Rincon Res ey Ave uis R on n L ssi a (Mi S xwy E Lake Henshaw Valley Center Borrego Springs Hidden Oceanside Meadows DISTRICT 49 Chimney Rock Rd Borreg Montezuma Valley Rd o S p rin Wilson Rd gs R Vista d San Pasqual Res Santa Ysabel Res Lake Wohlford Santa Ysabel Res StHwy 78 8 Dixon Reservoir y 7 G Hw rap t ev S ine Ca ny Benson Lake C on Agua Hedionda Lagoon e R n d t r e Mesa Grande Res C San Marcos it y Escondido P Santa Ysabel Res k w y Carlsbad Mesa Grande San Marcos Res Lake Lake San Marcos Sutherland Reservoir S tH w 7 y 8 S tHw y 7 Batiquitos Lagoon 8 S tH Bandy Canyon Rd w y 7 8 (B a Hw n Bandy Canyon Rd y 7 ne 8 r-G Washington (J r Pine St Pamo Rd u a lia de Lake 15 ey S Pile St n Julian ) Hodges all Rd a St R Highland V n d t ) a M a emesc C r T al C a i r li a Wash Hollow Cr f S o aw r C Little Page Rd d a y TkT Orinoco Cr n Magnolia Ave Magnolia r i r Julian Rd l a Encinitas West Side Rd Eagle Peak Rd R i d i n H t) g S a R a n t Old Julian Hwy i n StHwya 78 f o i g d (M e B e i H l o u i d D k l d i C r n n Va D a e g land lley Rd W r h V d 4 S ig Del Amo
  • Cultural Resources Survey Report - Negative Findings

    Cultural Resources Survey Report - Negative Findings

    1118 N. Anza Street Townhomes Project CULTURAL RESOURCES SURVEY REPORT - NEGATIVE FINDINGS PDS2018-TM-5628;REZ-18-003 June 2018 | HELIX Project No. HMC-10 Project Proponent: Mr. Sean Santa Cruz Hall Land Company 740 Lomas Santa Fe Drive, Suite 204 Mary Robbins-Wade Solana Beach, CA 92075 Director of Cultural Resources Prepared for: County of San Diego Planning & Development Services 5510 Overland Avenue, Suite 310 San Diego, California 92123 Dominique Diaz de Leon Staff Archaeologist Prepared by: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard La Mesa, CA 91942 Cultural Resources Survey Report – Negative Findings, 1118 N. Anza Street Townhomes Project, El Cajon, San Diego County, California PDS2018-TM-5628; REZ-18-003 Lead Agency: County of San Diego Department of Planning & Development Services 5510 Overland Avenue, Suite 310 San Diego, California 92123 Contact: Denise Russell (858) 694-2019 Preparer: Mary Robbins-Wade _______________________________ and Dominique Diaz de Leon ______________________________ HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard La Mesa, CA 91942 (619) 462-1515 Project Proponent: Mr. Sean Santa Cruz Hall Land Company 740 Lomas Santa Fe Drive, Suite 204 Solana Beach, CA 92075 June 2018 | HELIX Project No. HMC-10 National Archaeological Data Base Information Author: Mary Robbins-Wade and Dominique Diaz de Leon Firm: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard La Mesa, CA 91942 (619) 462-1515 Client/Project Proponent: Mr. Sean Santa Cruz Hall Land Company 740 Lomas Santa Fe Drive, Suite 204 Solana Beach, CA 92075 Report Date: June 2018 Report Title: Cultural Resources Survey Report – Negative Findings, 1118 N. Anza Street Townhomes Project, El Cajon, San Diego County, California.
  • Talone Lake Vector Habitat Remediation Project Biological Technical Report

    Talone Lake Vector Habitat Remediation Project Biological Technical Report

    Talone Lake Vector Habitat Remediation Project Biological Technical Report October 20, 2017 | WSO-02 Prepared for: Weston Solutions, Inc. 5871 Dryden Place, Suite 101 Carlsbad, CA 92008 Prepared by: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard La Mesa, CA 91942 Talone Lake Vector Habitat Remediation Project Biological Technical Report Prepared for: Weston Solutions, Inc. 5871 Dryden Place, Suite 101 Carlsbad, CA 92008 Prepared by: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard La Mesa, CA 91942 October 20, 2017 THIS PAGE INTENTIONALLY LEFT BLANK TABLE OF CONTENTS Section Page ES EXECUTIVE SUMMARY ................................................................................................................ ES-1 1.0 INTRODUCTION ................................................................................................................................ 1 1.1 History ................................................................................................................................. 1 1.2 Location............................................................................................................................... 1 1.3 Existing and Surrounding Land Use .................................................................................... 2 1.4 Topography and Soils .......................................................................................................... 2 1.5 Current Site Conditions ......................................................................................................
  • 11020600 El Capitan Lake Near Lakeside, CA San Diego River Basin

    11020600 El Capitan Lake Near Lakeside, CA San Diego River Basin

    Water-Data Report 2008 11020600 El Capitan Lake near Lakeside, CA San Diego River Basin LOCATION.--Lat 32°5256, long 116°4830 referenced to North American Datum of 1927, in SE ¼ NE ¼ sec.7, T.15 S., R.2 E., San Diego County, CA, Hydrologic Unit 18070304, on left bank, 100 ft upstream from El Capitan Dam on San Diego River, and 7.0 mi east of Lakeside. DRAINAGE AREA.--188 mi². SURFACE-WATER RECORDS PERIOD OF RECORD.--October 1936 to September 1966 (published with San Diego River at El Capitan Dam, station 11020500), October 1972 to September 1993, March 2004 to current year. Monthend contents only October 1972 to September 1987. October 1936 to September 1945, published in WSP 1315-B, not equivalent due to exclusion of greater part of flow released from Cuyamaca Reservoir. GAGE.--Water-stage recorder. Datum of gage is NGVD of 1929 (levels by city of San Diego). Prior to October 1987, nonrecording gage at same site. REMARKS.--Reservoir is formed by hydraulic fill-rock embankment, completed in 1935. Capacity of reservoir at spillway level, 112,810 acre-ft, elevation, 750.00 ft. Dead storage below lowest outlet, 59 acre-ft, elevation, 574.00 ft. Reservoir storage includes supplemental Colorado River water. No significant diversion upstream from reservoir. Inflow partly regulated by Cuyamaca Reservoir, capacity, 11,740 acre-ft. Water is released as required for municipal use and irrigation. See schematic diagram of the San Diego River Basin available from the California Water Science Center. EXTREMES FOR PERIOD OF RECORD.--Maximum contents observed, 114,500 acre-ft, spilling, Mar.