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DWR Publications

Every year, the Department of Water Resources issues technical bulletins, reports, and other publications and media documenting the measurement, protection, use, and management of California's water resources. This DWR Publications Repository is a partial and growing list of the publications and other media produced and distributed by the Department.

In this list you find a variety of types of publications and other media ranging from print material, to audio and video files. If the publication or other media is available in electronic format, a link will point to the appropriate electronic file. In many cases, publications are only available in hardcopy and cannot be downloaded. A contact phone number and email will be provided for cases where an electronic download is not available.

Please use the Comments or Suggestions link in the footer to request an accessible version of text-based documents.

If you are searching for a particular publication or media item, and cannot find it, for more information, please contact:
State of California
Department of Water Resources
Bulletins and Reports
P.O. Box 942836, Sacramento, CA 94236-0001
or
1416 Ninth Street, Third Floor
Sacramento, CA 95814
(916) 653-1097

In addition to this Publications Repository, the Department of Water Resources publications, including those that are now out-of-print, are distributed to many California libraries and to libraries in other states and the District of Columbia. WorldCat.org is a useful web site to search library collections in your community and thousands more around the world.

http://www.worldcat.org/ (Link will open in a new browser window.)
(Sort Alphabetically or by Most Recent Publish Date)

Toggle Image 1998 Drainage Monitoring Report, San Joaquin Valley 07/01/2002 (PDF, 683 KB)
Description: The District Report brings together acreage data for present and potential drainage problem areas for the years 1991 through 1998. A shallow groundwater map is drawn from measurements of over 1,000 wells. In addition, sump drainage data with respect to flows and mineral analyses for 1998 are presented.
Toggle Image 1999 Drainage Monitoring Report, San Joaquin Valley 06/01/2003 (PDF, 3.66 MB)
Description: In comparison to the 1998 Drainage Monitoring Report, this report includes trend analyses and figures for Total Dissolved Solids, Boron, and Selenium. The figures illustrate an increase or decrease over time of a constituent within its respective area of study.
Toggle Image 2000 Drainage Monitoring Report, San Joaquin Valley 09/01/2003 (PDF, 2.49 MB)
Description: In comparison to the 1999 Drainage Monitoring Report, this report includes trend analyses and figures for the cations sodium, calcium, and magnesium.
Toggle Image 2001 Shallow Groundwater Map, San Joaquin Valley 06/23/1905 (PDF, 2.20 MB)
Description: Aerial distribution map displays 2001 shallow groundwater within 20 feet, at interval depths of 5 feet, throughout the San Joaquin Valley.
Toggle Image 2002 Shallow Groundwater Map with closeup plates, San Joaquin Valley 2004 (PDF, 2.94 MB)
Description: Aerial distribution map displays 2002 shallow groundwater within 20 feet, at interval depths of 5 feet, throughout the San Joaquin Valley. The two closeup plates emphasize Grasslands & Westlands (Plate 1A) and Tulare & Kern (Plate 1B) areas.
Toggle Image 2005 Shallow Groundwater Map, San Joaquin Valley 2008 (PDF, 1.42 MB)
Description: Aerial distribution map displays 2005 shallow groundwater within 20 feet, at interval depths of 5 feet, throughout the San Joaquin Valley.
Toggle Image 2009 Electrical Conductivity in Shallow Groundwater Map 05/05/2010 (PDF, 1.31 MB)
Description: Description: Aerial distribution map displays 2009 electrical conductivity within 20 feet, at enterval depths of 5 feet, throughout the San Joaquin Valley.
Toggle Image 2009 Shallow Groundwater Map, San Joaquin Valley 08/01/2010 (PDF, 4.82 MB)
Description: Aerial distribution map displays 2009 shallow groundwater within 20 feet, at interval depths of 5 feet, throughout the San Joaquin Valley.
Toggle Image 2010 Electrical Conductivity in Shallow Groundwater Map 08/01/2010 (PDF, 1.34 MB)
Description: Aerial distribution map displays 2010 electrical conductivity within 20 feet, at interval depths of 5 feet, throughout the San Joaquin Valley.
Toggle Image 2010 Shallow Groundwater Map, San Joaquin Valley 08/01/2010 (PDF, 4.98 MB)
Description: Aerial distribution map displays 2010 shallow groundwater within 20 feet, at interval depths of 5 feet, throughout the San Joaquin Valley.
Toggle Image 2011 Electrical Conductivity in Shallow Groundwater Map 03/01/2012 (PDF, 1.38 MB)
Description: Aerial distribution map displays 2011 electrical conductivity within 20 feet, at interval depths of 5 feet, throughout the San Joaquin Valley.
Toggle Image 2011 Shallow Groundwater Map, San Joaquin Valley 03/01/2012 (PDF, 1.36 MB)
Description: Aerial distribution map displays 2011 shallow groundwater within 20 feet, at interval depths of 5 feet, throughout the San Joaquin Valley.
Toggle Image 2012 Electrical Conductivity in Shallow Groundwater 2015 (PDF, 2.68 MB)
Description: Aerial distribution map displays 2012 electrical conductivity within 20 feet throughout the San Joaquin Valley.
Toggle Image 2012 Shallow Groundwater Map, San Joaquin Valley 2015 (PDF, 2.22 MB)
Description: Aerial distribution map displays 2012 shallow groundwater within 20 feet, at interval depths of 5 feet, throughout the San Joaquin Valley.
Toggle Image 7-Steps for Managing Ground Water Supplies (Water Facts 2) 06/01/2000 (PDF, 90 KB)
Description: 7-step groundwater management program to help local groundwater managers make informed decisions in managing the available groundwater to assure an available supply in the future.
Toggle Image A Management Plan for Agricultural Subsurface Drainage and Related Problems on the Westside San Joaquin Valley 09/01/1990 (PDF, NA)
Description: A comprehensive study of agricultural drainage and drainage-related problems on the westside San Joaquin Valley has resulted in the management plan presented in this final report of the Federal-State interagency San Joaquin Valley Drainage Program.
Toggle Image Adjudicated Ground Water Basins in California (Water Facts 3) 07/25/2011 (PDF, 1.58 MB)
Description: The State of California is not authorized by the California Water Code to manage groundwater. California landowners have a correlative right to extract as much groundwater as they can put to beneficial use. In some basins, that correlative right has been defined by a court.
Toggle Image Agricultural Drainage in the San Joaquin Valley: A Gap Analysis (Draft) 10/01/2002 (PDF, 804 KB)
Description: California’s San Joaquin Valley is one of the world’s most vital and productive farming areas. The westside of the San Joaquin Valley is a fertile yet arid landscape where commercial agriculture is viable with supplemental irrigation and soil fertilization. The importation of surface water and use of groundwater for irrigation as well as fertilizers results in the addition of salts to agricultural lands in addition to naturally occurring salt. The leaching requirement to remove salt from the crop root zone to maintain soil quality and productivity results in the deep percolation of applied water. Agricultural lands of the westside SJV are underlain by a low permeability clay layer without adequate drainage, causing a shallow water table to rise toward the soil surface.
Toggle Image Analysis of Water Quality Impacts from Ground Water Pump-in on the State Water Project, 1990-1992 02/01/1994 (PDF, 46.36 MB)
Description: Report discusses the impacts pumped in ground water had on State Water Project water quality for the period covering the years 1990 -1992.
Toggle Image Antelope Groundwater Study 04/01/1987 (PDF, 4.60 MB)
Description: Tehama County officials have long been concerned about the quality of the groundwater in the Antelope area just east of Red Bluff. Over the years, analysis of water samples has shown bacterial counts, and in some cases nitrate concentrations, to be unacceptably high. The County needed a more complete knowledge of the area's groundwater resources and their quality to evaluate any groundwater pollution threat to public health.
Toggle Image Bottle Rock Geothermal Powerplant Biological Resources Mitigation and Monitoring Biennial Report 04/01/1988 (PDF, 4.43 MB)
Description: This report was prepares to fulfill a portion of the Department's biological resource mitigation and monitoring requirements for the Bottle Rock Geothermal Powerplant. The purpose of this report is to quanitfy the effectiveness of the wildlife mitigation performed on the Francisco leasehold.
Toggle Image California Strategic Growth Plan: Flood Control, Water Supply & Conveyance (2008) 2008 (PDF, 136 KB)
Description: As a result of the Governor’s emergency declaration for California’s levee system in February 2006 and funding provided by the Legislature in the 2006-07 Budget, key repairs to 33 critical erosion sites protecting Central Valley communities were completed in record time. The state is now advancing funds and working with the federal government to repair 71 additional levee erosion sites damaged in the floods of 2006. An unprecedented effort to evaluate 350 miles of urban levees and 1,250 miles of non-urban levees for hidden defects has begun, and the state is leading a coordinated effort involving federal and local agencies to avoid a major flood disaster in California. California must expand its water management and delivery system, including surface storage, groundwater storage and conveyance facilities. In this phase...
Toggle Image California Well Standards (Bulletin 74-90) 06/01/1991 (PDF, 21.32 MB)
Description: This bulletin is a supplement to DWR Bulletin 74-81, Water Well Standards: State of California, December 1981. Standards in Bulletin 74-81 and this bulletin are minimum requirements for construction, alteration, maintenance, and destruction of water wells, monitoring wells, and cathodic protection wells in California.
Toggle Image California's Ground Water (Bulletin 118-75) 1975 (PDF, 30.79 MB)
Description: The Department published Bulletin 118, California's Ground Water to summarize available information from the Department of Water resources, United States Geological Survey and other agencies or individual groundwater basins to "…help those who must make ecisions affecting the protection, additional use, and management of the State's ground water resources". Bulletin 118-75 contained a summary of technical information for 248 of the 461 identified groundwater basins, subbasins and what were referred to as "areas of potential ground water storage" in California with maps showing their location and extent. The bulletin 118-75 basin boundary definition was based on geologic and hydrogeologic conditions, except where basins were defined by a court decision.
Toggle Image California's Groundwater (Bulletin 118 - Update 2003) 10/01/2003
Description: Bulletin 118 was first published in 1975. This update is the compilation of a four-year effort . It includes the written report and supplemental material consisting of individual hydrogeologic descriptions, maps, and GIS compatible data files of each delineated groundwater basin in California. The written report is also available in hard copy. The basin descriptions and maps are available only on the website.
Toggle Image Central Basin Judgment 1991 (PDF, 3.89 MB)
Description: Central and West Basin Water Replenishment District, etc., vs. Charles E. Adams, et al. case no. 786,656 Second Amended Judgment, May 6, 1991
Toggle Image Components of a Groundwater Management Plan (Water Facts 10) 05/01/2004 (PDF, 184 KB)
Description: This Water Fact lists components from Bulletin 118-2003, California's Groundwater, Appendix C that should be considered for inclusion a groundwater management program.
Toggle Image Cooperative Groundwater Study for the Little Lake Valley 08/01/1987 (PDF, 3.06 MB)
Description: This report presents the findings of a one-year cooperative groundwater study between DWR and the City of Willits. It discusses Little Lake Valley geology, groundwater, and groundwater quality conditions. A separate Morris Reservoir limnology report was also prepared.
Toggle Image Deer Creek Water Exchange Pilot Program Summary Report 12/01/2003 (PDF, 7.65 MB)
Description: This summary report was prepared by the Department of Water Resource, Northern District, Groundwater Section, on behalf of the Deer Creek Water District. It was prepared under the direct supervision of Toccoy Dudley, Chief of the Northern District Groundwater Section, Registered Geologist No. 3732, and was written by Dan McManus, Registered Geologist No.6261, in accordance with the provisions of the Geologist and Geophysicists Act of the State of California.
Toggle Image Depth to Top of Corcoran Clay Map, 1981 1981 (PDF, 2.26 MB)
Description: Aerial distribution map displays the 1981 depth to the top of the Corcoran Clay throughout the San Joaquin Valley.
Toggle Image Drainage Management in the San Joaquin Valley: A Status Report 02/01/1998
Description: Drainage Management in the San Joaquin Valley - A Status Report was prepared under the direction of Manucher Alemi, SJVDIP Coordinator, by DWR staff George Nishimura and Wayne Verill. SJVDIP Budget and Program Committee members reviewed the report and provided valuable suggestions. Their contributions are greatly appreciated.
Toggle Image Drainage Reuse Final Report - San Joaquin Valley Drainage Implementation Program 02/01/1999 (PDF, 554 KB)
Description: Reuse of saline drainage water is one management option on the west side of the San Joaquin Valley (SJV) for reducing the volume of drainage water (San Joaquin Valley Drainage Program, 1990). Management practices that result in less drainage water are attractive since they would reduce the area required for environmentally sensitive evaporation ponds, reduce the area for solar ponds and reduce the costs associated with disposal of the final effluent. In conjunction with other drainage management options such as source control and a means of removing salt and trace elements out of the valley, reuse could have additional benefits such as: (a) increase water use efficiency; (b) optimize production and environmental quality of irrigated farmland; (c) improve environmental quality of rivers and other water bodies; and (d) enhance ....
Toggle Image Drainage Water Treatment Final Report: San Joaquin Valley Drainage Implementation Program 02/01/1999 (PDF, 224 KB)
Description: This review identifies and evaluates research findings on various treatment options for selenium removal and disposal of salts in the San Joaquin Valley, California. Selenium from agricultural drainage water has the potential to bioaccumulate at high enough levels in plants and animals so as to cause mortality and to impair reproduction of fish and aquatic birds. The selenium link between agricultural drainage and impacts on birds was first documented in 1983 by U.S. Fish and Wildlife Service studies at Kesterson Reservoir in the SJV. Aquatic plants, invertebrates, fish, frogs, snakes, birds and mammals at Kesterson Reservoir contained elevated selenium levels, often averaging a 100-fold increase over samples collected for similar species at reference sites (Ohlendorf, 1989; Ohlendorf and Santolo, 1994).
Toggle Image Eastern Shasta County Groundwater Study 06/01/1984 (PDF, 8.79 MB)
Description: This report presents the ground water hydrology and geology of selected areas and recommends conservation and management meastures that local agencies can use to stretch their water supplies. It also suggests development densities that would be appropriate for each area, based on teh area's estimaged ground water resources.
Toggle Image Evaluation of Ground Water Resource: Bulletin planned but never completed (Bulletin 118-5) 1976
Description: Bulletin planned but never completed.
This publication is not available electronically. To inquire further, please contact:
Publications Clerk at (916) 653-1097 or imr-publications@water.ca.gov.
Toggle Image Evaluation of Ground Water Resource: Livermore and Sunol Valleys (Bulletin 118-2) 06/01/1974
Description: In addition to the statewide Bulletin 118 reports, there are fifteen other publications in the 118 series that evaluate groundwater basins in more specific areas of the State.
Toggle Image Evaluation of Ground Water Resource: Sacramento County (Bulletin 118-3) 1974 (PDF, 16.45 MB)
Description: In addition to the statewide Bulletin 118 reports, there are fifteen other publications in the 118 series that evaluate groundwater basins in more specific areas of the State.
Toggle Image Evaluation of Ground Water Resource: Sonoma County (Bulletin 118-4) 12/01/1975
Description: In addition to the statewide Bulletin 118 reports, there are fifteen other publications in the 118 series that evaluate groundwater basins in more specific areas of the State. This report contains geologic and hydrologic data. (County of Sonoma).
Toggle Image Evaluation of Ground Water Resource: South San Francisco Bay (Bulletin 118-1) 08/01/1967
Description: In addition to the statewide Bulletin 118 reports, there are fifteen other publications in the 118 series that evaluate groundwater basins in more specific areas of the State.
Toggle Image Evaluation of Ground Water Resources: Sacramento Valley (Bulletin 118-6) 1978
Description: In addition to the statewide Bulletin 118 reports, there are fifteen other publications in the 118 series that evaluate groundwater basins in more specific areas of the State.
Toggle Image Evaluation of the 1990 Drainage Management Plan For the Westside San Joaquin Valley, California - Final Report 2000 (PDF, NA)
Description: This report presents the results of a review conducted by an Ad Hoc Coordination Committee for the Federal-State Interagency San Joaquin Valley Drainage Implementation Program. The Ad Hoc Coordination Committee was formed by the University of California Salinity/Drainage Program and the SJVDIP. The purpose of the report is to provide the Drainage Program agencies with information for consideration in updating alternatives for agricultural drainage water management. This report was submitted to the SJVDIP Management Group for their consideration. Publication of any findings or recommendations in this report should not be construed as representing the concurrence of the Program agencies.
Toggle Image Evaporation Ponds Final Report: San Joaquin Valley Drainage Implementation Program 02/02/1999 (PDF, 614 KB)
Description: Evaporation basins along with other alternative drainage management options play a major role in sustaining agriculture in drainage impacted lands, particularly the Tulare/Kern sub-area. However, the presence of naturally occurring selenium in the impounded drainage waters is of concern to wildlife, especially waterbirds. From 1989 to the present, adverse selenium impacts to American avocet and black-necked stilts have been studied extensively in the environs of Tulare Lake Basin. Modifications in the design and management of evaporation basins have been implemented. For those basins with impacts on waterbirds, site-specific mitigation measures have been adopted such as compensation and alternative habitats.
Toggle Image Fractured Hard Rock Brochure 2004 (PDF, 994 KB)
Description: This brochure was developed for and published by the Central Sierra Watershed Committee to educate home owners in the region about their groundwater source. Content was based on DWR Guide titled "Water Facts No. 1, Ground Water in Fractured Hard Rock".
Toggle Image Ground Water (Water Facts 6) 06/01/1993 (PDF, 106 KB)
Description: Eleven frequently talked-about groundwater topics are discussed in this Water Facts.
Toggle Image Ground Water Basins in California (Bulletin 118-80) 1980 (PDF, 11.40 MB)
Description: In 1978, Senate Bill 1505 added §12924 to the California Water Code that stated: "The Department shall, in conjunction with other public agencies, conduct an investigation of the State's groundwater basins. The Department shall identify the State's groundwater basins on the basis of geologic and hydrogeologic conditions and consideration of political boundary lines whenever practical. The Department shall also investigate existing general patterns of groundwater pumping and groundwater recharge within such basins to the extent necessary to identify basins which are subject to critical conditions of overdraft." This mandate was carried out under the assumption that the Legislature directed the DWR to consider political boundary lines that would be appropriate for groundwater management purposes.
Toggle Image Ground Water Management Districts or Agencies in California (Water Facts 4) 1996 (PDF, 260 KB)
Description: This Water Facts address Groundwater Management District in California. The California Legislature has enacted statutes establishing several groundwater management districts or agencies that can enact ordinances to regulate the amount of groundwater that is extracted and limit its place of use within the districts.
Toggle Image Ground Water Management in California - Six Methods Under Current Law (Water Facts 8) 08/01/2000 (PDF, 60 KB)
Description: Water Facts are short reports on water resources issues of general interest. This Water Facts describes the six methods of managing groundwater used in California. The methods are listed in the chronological order in which they were developed.
Toggle Image Ground Water in Fractured Hard Rock (Water Facts 1) 2011 (PDF, 5.42 MB)
Description: Water Facts are short reports on water resources issues of general interest. This Water Facts discusses nine-commonly-asked questions about groundwater in the cracks or fractures of hard rocks.
Toggle Image Groundwater Management Final Report: San Joaquin Valley Drainage Implementation Program 04/01/1999 (DOC, 726 KB)
Description: The purpose of this report is to: (1) assess the state of knowledge about the groundwater system and about technical feasibility of using groundwater management alternative to hydraulically control water table levels; (2) address potential adverse impacts of groundwater management; (3) assess any institutional obstacles to implementation of the alternative; and (4) make recommendations. By examination of previous work on the problem, we specifically address technical feasibility of maintaining a deeper water table and substantially reducing groundwater discharge to drains by increasing groundwater pumping while reducing applied water over the region. Further, we discuss the potential water quality impacts of lowering the water table by increasing pumping.
Toggle Image Groundwater Management in California, 1999 1999
Description: A Report to the Legislature Pursuant to Senate Bill 1245 (1997). This report is published in accordance with Water Code Section 10756, requiring DWR to report on groundwater management plans adopted by local agencies.
gwm_report (PDF, 2.70 MB)
gwm_report_tables (XLS, 166 KB)
Toggle Image Groundwater Quality Investigation at Spalding Tract Lassen County, California Draft Report 10/01/1990 (PDF, 7.93 MB)
Description: The State Water Resources Control Board contracted with DWR and the Department of Health Services to conduct an independent evaluation of the groundwater at Spalding Tract to determine potential contamination from septic tank effluent. This document presents results of the water quality investigation.
Toggle Image Integrated Resources Evaluation Checklist (Water Facts 9) 12/01/2000 (PDF, 36 KB)
Description: This Water Facts discusses Integrated Resources Evaluation Checklist. This water resources evaluation checklist is a starting point for water managers when planning and undertaking studies of watersheds and groundwater basins.
Toggle Image Land Retirement Final Report: San Joaquin Valley Drainage Implementation Program 02/10/1999 (PDF, 517 KB)
Description: The initial scientific documentation which provided the basis for the choice of management alternatives, including land retirement, was an important part of the SJVDP. An extensive library (e.g., SJVDP, 1989; SJVDP, 1990, pages 163-175) of supporting measurements, technical analysis, maps, and models exist to help quantify drainage conditions, understand drainage management, and assess the benefits from a regionally implemented plan. The initial assessment included a compilation of historical data, execution of baseline field studies for the period 1985 through 1988, and development of planning objectives, criteria, and performance standards based on water-quantity, water-quality (i.e., protection of aquatic life, wildlife, and public health) and land use (SJVDP, 1990, Tables 7, 15, 16).
Toggle Image Lines of Equal Depth of Water in Wells Unconfined Aquifer San Joaquin Valley Spring 2010 04/01/2012 (PDF, 2.65 MB)
Description: Map of 10 ft. contour lines of equal depth of groundwater levels of selected wells in the San Joaquin Valley, CA for Spring 2010. Well measurements were collected from January to May 2010 by the California Department of Water Resources (DWR) and cooperating water agencies and entered in DWR's Water Data Library (www.water.ca.gov/waterdatalibrary/). The resulting point data were plotted in ArcMap 9.3.1 and contoured using Spatial Analyst at 10 ft. contour intervals. DWR produces a groundwater elevation contour map for the San Joaquin Valley annually in the spring. Maps for previous years may be found on the DWR Groundwater Information web page (www.water.ca.gov/groundwater/). Historical groundwater level data for individual wells may be found on the Water Data Library web page.
Toggle Image Lines of Equal Elevation of Water in Wells Unconfined Aquifer San Joaquin Valley Spring 2008 10/31/2008 (PDF, 2.85 MB)
Description: Map of 10 ft. contour lines of equal elevation of groundwater levels of selected wells in the San Joaquin Valley, CA for Spring 2008. Well measurements were collected from January to May 2008 by the California Department of Water Resources (DWR) and cooperating water agencies and entered in DWR's Water Data Library (www.water.ca.gov/waterdatalibrary/). The resulting point data were plotted in ArcMap 9.3.1 and contoured using Spatial Analyst at 10 ft. contour intervals. DWR produces a groundwater elevation contour map for the San Joaquin Valley annually in the spring. Maps for previous years may be found on the DWR Groundwater Information web page (www.water.ca.gov/groundwater/). Historical groundwater level data for individual wells may be found on the Water Data Library web page.
Toggle Image Lines of Equal Elevation of Water in Wells Unconfined Aquifer San Joaquin Valley Spring 2009 05/25/2011 (PDF, 2.66 MB)
Description: Description: Map of 10 ft. contour lines of equal elevation of groundwater levels of selected wells in the San Joaquin Valley, CA for Spring 2009. Well measurements were collected from January to May 2009 by the California Department of Water Resources (DWR) and cooperating water agencies and entered in DWR's Water Data Library (www.water.ca.gov/waterdatalibrary/). The resulting point data were plotted in ArcMap 9.3.1 and contoured using Spatial Analyst at 10 ft. contour intervals. DWR produces a groundwater elevation contour map for the San Joaquin Valley annually in the spring. Maps for previous years may be found on the DWR Groundwater Information web page (www.water.ca.gov/groundwater/). Historical groundwater level data for individual wells may be found on the Water Data Library web page.
Toggle Image Lines of Equal Elevation of Water in Wells Unconfined Aquifer San Joaquin Valley Spring 2010 04/01/2012 (PDF, 2.63 MB)
Description: Map of 10 ft. contour lines of equal elevation of groundwater levels of selected wells in the San Joaquin Valley, CA for Spring 2010. Well measurements were collected from January to May 2010 by the California Department of Water Resources (DWR) and cooperating water agencies and entered in DWR's Water Data Library (www.water.ca.gov/waterdatalibrary/). The resulting point data were plotted in ArcMap 9.3.1 and contoured using Spatial Analyst at 10 ft. contour intervals. DWR produces a groundwater elevation contour map for the San Joaquin Valley annually in the spring. Maps for previous years may be found on the DWR Groundwater Information web page (www.water.ca.gov/groundwater/). Historical groundwater level data for individual wells may be found on the Water Data Library web page.
Toggle Image Lines of Equal Elevation of Water in Wells Unconfined Aquifer San Joaquin Valley Spring 2011 2015 (PDF, 5.03 MB)
Description: Map of 10 ft. contour lines of equal elevation of groundwater levels of selected wells in the San Joaquin Valley, CA for Spring 2011. Well measurements were collected from January to May 2011 by the California Department of Water Resources (DWR) and cooperating water agencies and entered in DWR's Water Data Library (www.water.ca.gov/waterdatalibrary/). The resulting point data were plotted in ArcMap 9.3.1 and contoured using Spatial Analyst at 10 ft. contour intervals. DWR produces a groundwater elevation contour map for the San Joaquin Valley annually in the spring. Maps for previous years may be found on the DWR Groundwater Information web page (www.water.ca.gov/groundwater/). Historical groundwater level data for individual wells may be found on the Water Data Library web page.
Toggle Image M & T Chico Ranch Conjunctive Use Investigation Phase III Report 12/01/1996 (PDF, 10.43 MB)
Description: This phase reassesses the potential water supply available through conjuntive use and estimates program costs, impact mitigation, institutional constraints, and evnrionmental compliance requirements. In addition, this report documents and presents the findings from previous aquifer testing and well development with the lower-confined Tuscan Formation aquifer. The investigation was undertaken as a part of the Groundwater Development effort of the State Water Project Future Supply Program.
Toggle Image Pit River Water Quality Study 12/01/1992 (PDF, 14.06 MB)
Description: This study was designed to help manage the Pit River, manage its beneficial uses, and plan for future conjunctive ground and surface water uses. The study presents information to help develop objectives for water quality control.
Toggle Image Provident Irrigation District, Phase I Conjunctive Use Study 09/16/1996 (PDF, 6.85 MB)
Description: This report discusses the land and water use, the present surface and groundwater distribution system, hydrogeology, and results of aquifer tests.
Toggle Image Quality of Ground and Surface Waters in the North Coastal Area Office Report 11/01/1964 (PDF, 7.34 MB)
Description: The purpose of this study was to determine the mineral quality of surface and ground waters in the Trinity, Mad-Redwood, and Eel hydrographic units and to identify any significant water quality problems that may affect future development of these units.
Toggle Image River Discharge Report: San Joaquin Valley Drainage Implementation Program 01/13/1999 (PDF, 864 KB)
Description: The report begins with a description of San Joaquin River and Grassland Basin watershed hydrology and presents an overview of data on drainage discharge and water quality from 1985 up to implementation of the Grassland Bypass Project in 1996, identifying salt and trace element constituents and sources. The latest scientific information on the reactions and ecotoxic effects of selenium, boron, and molybdenum in aquatic systems is then reviewed. The next section summarizes presently established water quality objectives and beneficial uses for lower San Joaquin River and westside tributary water. This is followed by a synopsis of the 1990 Management Plan recommendations on drainage discharge. The next section details developments since the 1990 Plan...
Toggle Image Sacramento River Basinwide Water Management Plan 2003 (PDF, 10.28 MB)
Description: This report concerns groundwater resources within the Sacramento Valley and Redding groundwater basins. It supplements a series of technical memoranda prepared by two consulting firms that outlined the overall basinwide management strategy.
Toggle Image Salt Utilization Final Report: San Joaquin Valley Drainage Implementation Program 02/01/1999 (DOC, 428 KB)
Description: This report evaluates the data on salt composition from farms in the San Joaquin Valley, presents an on-farm method for salt management and harvesting, describes the potential for farm-based salt and selenium products and their uses, and presents recommendations for a research and development program. Marketing of farm-based salt and selenium products will require well-coordinated technical, economic, and environmental policies. The implementation of these new policies will result in sustainable farm productivity and environmental quality on irrigated farmland in the San Joaquin Valley.
Toggle Image San Joaquin Valley Drainage Implementation Program MOU 12/01/1991 (PDF, 80 KB)
Description: SJVDIP is an interagency program established in 1991. among four California State and four federal agencies. The MOU created a partnership among agencies to help implement recommendations of the San Joaquin Valley Drainage Program published as the Rainbow Report in 1990. The 1990 report recommended a number of in-valley options to manage agricultural drainage and drainage-related problems. The 1990 report was updated by the interagency program in a SJVDIP Final Report in 2000. The SJVDIP then developed a new Drainage Management Strategy in 2000 to implement the updated recommendations.
Toggle Image San Joaquin Valley Drainage Management Strategy 10/06/2000 (PDF, 101 KB)
Description: In 1997 an Activity Plan was initiated by SJVDIP and University of California to review and evaluate the 1990 Plan and update its recommendations. The Activity Plan was intended to review the information collected since 1990 and update the Plan as necessary. The Activity is consistent with the 1990 Management Plan’s recognition that the plan be updated from time to time as monitoring, additional studies, and local actions reveal new facts, as well as the 1991 Implementation Strategy which states that " . . . Management Group will sponsor an effort to periodically update the Management Plan." The Activity Plan consisted of three phases: Phase I was a technical evaluation of drainage options by technical committees and a concurrent evaluation and assessment of the 1990 Plan implementation by three subarea committees.
Toggle Image San Joaquin Valley Drainage Monitoring Program (2002) 05/01/2007
Description: The purpose of this annual report is to share valuable information about agricultural drainage water.
This publication is not available electronically. To inquire further, please contact:
Publications Clerk at (916) 653-1097 or imr-publications@water.ca.gov.
Toggle Image Source Reduction Final Report: San Joaquin Valley Drainage Implementation Program 02/01/1999 (DOC, 289 KB)
Description: Currently, limited drainage water disposal is permitted into the an Joaquin River from areas in the northern part of the SJV and to evaporation ponds in the Tulare/Kern subarea. Many options such as deep-well injection, desalination, water treatment to remove lenium have been investigated, but were found to be either technically, environmentally, and/or economically unsatisfactory. Presently limited disposal options for subsurface drainage means that drainage systems are not now viable for many areas of the Valley. While some disposal options (water treatment, drain water reuse) continue to be investigated, reducing the amount of subsurface drainage water through source reduction will play a major role in dealing with problems caused by the shallow, saline groundwater.
Toggle Image Status of Groundwater Management in California 12/01/2004 (PDF, 567 KB)
Description: A map of California showing locations of adopted groundwater management plans, adjudicated basins, Special Act Districts, and Counties with adopted groundwater management ordinances and accompanying lists of each item shown
Toggle Image Surprise Valley Groundwater Basin Water Quality Study 1986 (PDF, 3.74 MB)
Description: This investigation leading to this report was intended to update knowledge of water quality in Surprise Valley Groundwater Basin.
Toggle Image Water Quality Investigations Report No. 3 1952
Description: The Bulletin 118 series was preceded by "Water Quality Investigations Report No. 3, Ground Water Basins in California," published in 1952 by the Department of Public Works Division of Water Resources (the predecessor of DWR). The purpose of the report was to create a base index map of the "more important ground water basins" for carrying out the Department's mandate in Section 229 of the Water Code. Report No. 3 identified 223 alluvium-filled valleys, which were believed to be basins with usable groundwater in storage. A statewide numbering system was created in cooperation with the State Water Pollution Control Board (now known as the State Water Resources Control Board) based on the boundaries of the nine Regional Boards.
This publication is not available electronically. To inquire further, please contact:
Publications Clerk at (916) 653-1097 or imr-publications@water.ca.gov.
Toggle Image Well Completion Report Release Request and Confidentiality Agreement Regulatory-Related Environmental Cleanup Study 05/18/2011 (PDF, 23 KB)
Description: Well Completion Reports associated with wells located within two miles of an area affected or potentially affected by a known unauthorized release of a contaminant will be made available upon request to any person performing an environmental cleanup study associated with the unauthorized release, if the study is conducted pursuant to a regulatory agency order (Water Code Section 13752).
Toggle Image Western Canal Ground Water Test Program 12/06/1991 (PDF, 4.23 MB)
Description: This program was initiated in the Fall of 1990 to evaluate the use of limited quantities of pumping ground water for waterfowl needs in lieu of using surface water. This report discusses the regional geolgoy, hydrogeology, and water quality of the ground water basin under the Western Canal service area. Data in this report covers the period of October 9, 1990 through May 22, 1991.

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