{"@type": "dcat:Dataset", "accessLevel": "public", "contactPoint": {"@type": "vcard:Contact", "fn": "Sustainable Groundwater Management Office", "hasEmail": "mailto:calgw@water.ca.gov"}, "description": "California's Groundwater: Bulletin 118 Updates (CalGW Updates) are a continuing series of California's primary technical publications on groundwater resources in the state.  While the Department of Water Resources have previously published CalGW Updates, Water Code Section 12924 now mandates a 10-year publication cycle, effective 2025.\r\n\r\nThis page includes the publication of California's Groundwater: Bulletin 118 - Update 2025 (CalGW Update 2025), which the Department of Water Resources released on March 12, 2026. The publication contains:\r\n\r\n+ Summary Highlights (available in English and Spanish) \r\n+ A detailed statewide report (Chapters 1 \u2013 6), which features current knowledge of groundwater resources including information on the location, characteristics, use, management status, and conditions of the state\u2019s groundwater\r\n+ An info-graphic summary of the ten hydrologic regions, showing regional groundwater at a glance (Chapter 7)\r\n+ Supporting resources including appendices, a factsheet (available in English and Spanish), a key topics index, and select datasets \r\n\r\nFor more information on CalGW Updates, historical publications timeline, and supporting informational products that include the CalGW Live website and California\u2019s Groundwater Semi-Annual Updates, please visit: https://water.ca.gov/programs/groundwater-management/bulletin-118. For questions or comments, please email\u202fCalGW@water.ca.gov.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://calgwlive.water.ca.gov/", "description": "The CalGW Live website provides the most relevant and recent groundwater information. The webpage includes a series of interactive dashboards which allow users to interact and customize what groundwater data they would like to view. Users can filter the data by address, county, groundwater basin, or hydrologic region to see unique data summaries. CalGW Live has been developed for a variety of users including groundwater managers, governmental agencies, well owners, non-governmental organizations, water policy makers, and members of the public interested in groundwater.", "format": "URL", "title": "California\u2019s Groundwater Live"}, {"@type": "dcat:Distribution", "description": "A three-page overview describing the structure and key content of CalGW Update 2025.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/54dc813e-c311-4992-b116-3e2b4a7454ff/download/final_b118_using_calgw_update2025.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "How to Use California's Groundwater - Update 2025"}, {"@type": "dcat:Distribution", "description": "Chapter 7 Groundwater at a Glance, Hydrologic Region Summaries includes groundwater and groundwater-related information for each of California's 10 hydrologic regions (HRs). The goal of the regional summaries is to provide \u201cgroundwater at a glance,\u201d a snapshot of data, figures, and information at the HR scale. These regional summaries include an overview of demographics, groundwater and land use, climate change vulnerability, water shortage vulnerability, groundwater management, groundwater recharge, well infrastructure, groundwater levels, groundwater quality, and local assistance and local projects. Each summary concludes with a map of each HR and list of groundwater basins. The HR summaries include information presented in Chapters 1 through 6 along with additional region-specific information.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/a0897952-9543-4f72-bbb9-57819563fde9/download/final_b118_calgw_update2025_chapter7_web.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "California's Groundwater: Bulletin 118 - Update 2025 Hydrologic Region Summaries (Chapter 7)"}, {"@type": "dcat:Distribution", "description": "La ficha informativa de la actualizaci\u00f3n de CalGW 2025 act\u00faa como referencia r\u00e1pida para los recursos de agua subterr\u00e1nea de California y un resumen de las novedades en la actualizaci\u00f3n de CalGW 2025.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/1fb42daf-c944-4558-b3e7-b99007680f6c/download/final_b118_calgw_update2025_factsheet_spanish.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Ficha Informativa (Espa\u00f1ol)"}, {"@type": "dcat:Distribution", "description": "Resumen general del Informe Estatal, describiendo el valor, estado actual, y desaf\u00edos de las condiciones y el manejo del agua subterr\u00e1nea en California, incluyendo recomendaciones para avanzar en su gesti\u00f3n sostenible.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/5041f189-322a-4f9c-99cd-94b64114b3ac/download/final_b118_calgw_update2025_highlights_spanish.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Agua Subterr\u00e1nea de California 2025: Bolet\u00edn 118 - Puntos Sobresalientes (Espa\u00f1ol)"}, {"@type": "dcat:Distribution", "description": "The CalGW Update 2025 Factsheet acts as a quick reference for California\u2019s groundwater resources and a summary of what\u2019s new in the CalGW Update 2025.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/68225958-1d4a-4a6a-b32b-8d4b5124554a/download/final_b118_calgw_update2025_factsheet.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Factsheet English"}, {"@type": "dcat:Distribution", "description": "The CalGW Update 2025 Highlights is a stand-alone summary describing the value, current state, and challenges of groundwater conditions and management in California, including findings and recommendations to advance sustainable groundwater management.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/1b8acd84-4a2b-437f-9ce4-0b910e9a14a3/download/final_b118_calgw_update2025_highlights.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "California's Groundwater: Bulletin 118 - Update 2025 Highlights (English)"}, {"@type": "dcat:Distribution", "description": "The Key Topics Index acts as a quick reference for key topics found in the CalGW Update 2025.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/eba73833-4a6f-40a2-9ad0-37b2edb5e93b/download/final_b118_calgw_update2025_key_topics_index.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Key Topics Index"}, {"@type": "dcat:Distribution", "description": "The appendix provides the Methods and Assumptions used to create the figures and tables found in CalGW Update 2025.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/46356547-de33-48fa-9e7c-a404b563519c/download/final_b118_calgw_update2025_appendix_c_methodsassumptions.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Appendix C: Methods and Assumptions"}, {"@type": "dcat:Distribution", "description": "This PDF includes a detailed report on the current state of knowledge of groundwater resources in California, including information on the location, basin characteristics, water use, management, climate change vulnerability, monitoring, and conditions of the state\u2019s groundwater.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/def30832-7c18-42cc-ba02-cf862c52c84d/download/final_b118_calgw_update2025_statewide_ch1-6_web.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "California's Groundwater: Bulletin 118 - Update 2025 Statewide Report (Chapters 1 - 6)"}, {"@type": "dcat:Distribution", "description": "This PDF includes the full CalGW Update 2025 statewide report, including Chapters 1 \u2013 7. Chapters 1 \u2013 6 provide a detailed report on the current state of knowledge of groundwater resources in California, and Chapter 7 includes groundwater and groundwater-related information for each of California's 10 hydrologic regions.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/888cc330-a01c-4f5d-8a10-d1ffab86db36/download/final_b118_calgw_update2025_statewide_ch1-7_web.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "California's Groundwater: Bulletin 118 - Update 2025 Full Report (Chapters 1 \u2013 7)"}, {"@type": "dcat:Distribution", "description": "This appendix contains the citations, as well as links to reference materials, identified throughout CalGW Update 2025.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/4531b8ed-1889-47dd-9c86-549578bdf5a2/download/final_b118_calgw_update2025_appendix_d_references.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Appendix D: Citations and Links"}, {"@type": "dcat:Distribution", "description": "This appendix includes a dataset summarizing California water use information, population, and land use data developed for the California Water Plan for water years 2002 through 2021. This information was used for content in CalGW Update 2025 Chapter 4.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/6cec4fe7-43f7-43bf-a47b-20d1310388ae/download/final_b118_calgw_update2025_appendix_f_water_use.xlsx", "format": "XLS", "mediaType": "application/vnd.ms-excel", "title": "Appendix F: Water Use Data"}, {"@type": "dcat:Distribution", "description": "This appendix includes supplemental data for area and hydrologic region assignment by basin.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/2a5875dd-655b-42cb-8de8-001d929a5d10/download/final_b118_calgw_update2025_appendix_g_basin_data.xlsx", "format": "XLS", "mediaType": "application/vnd.ms-excel", "title": "Appendix G: Hydrologic Region, Basin, and County Data (Part 2: Basins)"}, {"@type": "dcat:Distribution", "description": "This appendix includes supplemental data for area and population by hydrologic region.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/59ebe219-dcf2-4ceb-9f2b-833e5b22ceca/download/final_b118_calgw_update2025_appendix_g_hydrologic_region_tables.xlsx", "format": "XLS", "mediaType": "application/vnd.ms-excel", "title": "Appendix G: Hydrologic Region, Basin, and County Data (Part 1: Hydrologic Regions)"}, {"@type": "dcat:Distribution", "description": "This appendix includes supplemental data for groundwater related county ordinances, organized by county.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/7812e539-7e3a-49e3-b3dd-6c9913ca5935/download/final_b118_calgw_update2025_appendix_g_county_data.xlsx", "format": "XLS", "mediaType": "application/vnd.ms-excel", "title": "Appendix G: Hydrologic Region, Basin, and County Data (Part 3: Counties)"}, {"@type": "dcat:Distribution", "description": "This appendix presents a comprehensive summary of Projects and Management Actions (PMAs) reported through the Sustainable Groundwater Management Act (SGMA) Portal\u2019s PMA Module (https://sgma.water.ca.gov/portal/projects/submitted). The information reflects the dataset available as of April 2025 and is intended to provide a baseline understanding of the scope, type, and potential benefits of PMAs across the state.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/2585d59d-899a-4f61-a641-c00956744ad1/download/final_b118_calgw_update2025_appendix_j_pmas.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Appendix J: Projects and Management Actions"}, {"@type": "dcat:Distribution", "description": "This appendix provides a list of all findings, recommendations, and supporting actions included in CalGW Update 2025 Highlights, along with progress status of actions as of February 2026.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/a89dd5ef-f5cf-44dd-98be-024a726faf58/download/final_b118_calgw_update2025_appendix_a_findings_recs.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Appendix A: Findings and Recommendations"}, {"@type": "dcat:Distribution", "description": "This appendix provides a list of key groundwater terms and definitions found in CalGW Update 2025.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/ad0a5a7f-710b-4a21-98a0-fed25eb77935/download/final_b118_calgw_update2025_appendix_b_glossary.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Appendix B: Glossary"}, {"@type": "dcat:Distribution", "description": "This appendix provides a simplified summary of all basin maps and tables, organized by Hydrologic Region.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/86b60aa0-4a61-4d98-9f9c-7271d39b9e51/download/final_b118_calgw_update2025_appendix_e_basin_maps_tables.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Appendix E: Hydrologic Region Basin Maps with Basin Tables"}, {"@type": "dcat:Distribution", "description": "This appendix provides access to California\u2019s Groundwater Semi-Annual Updates, which can also be found at: https://data.cnra.ca.gov/dataset/california-s-groundwater-semi-annual-conditions-updates.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/593b59eb-1aec-44fb-b1ee-002c7f0c7ea2/download/final_b118_calgw_update2025_appendix_h_semiannualupdates.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Appendix H: California\u2019s Groundwater Semi-Annual Updates"}, {"@type": "dcat:Distribution", "description": "This zipped folder contains select datasets (as Excel workbooks, CSVs, and shapefiles) used in table/figure creation for Chapter 1. Only snapshot datasets that include an analysis altering a public dataset are included. Folder titles follow a naming convention that lists Chapter (C) number first, followed by Figure (F) or Table (T) number. In some cases, not all figure or table numbers are included in the folder name and thus include a Read Me text file as part of the download. See also, Appendix C Methods and Assumptions.\r\n\r\nFor the most current groundwater data available, please see California\u2019s Groundwater Live website: https://calgwlive.water.ca.gov/.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/0df8f5c7-1a84-493b-bd44-84e29fe7513e/download/ch_01_select_datasets.zip", "format": ".zip", "mediaType": "application/octet-stream", "title": "Select Datasets: Chapter 1"}, {"@type": "dcat:Distribution", "description": "This zipped folder contains select datasets (as Excel workbooks, CSVs, and shapefiles) used in table/figure creation for Chapter 2. Only snapshot datasets that include an analysis altering a public dataset are included. Folder titles follow a naming convention that lists Chapter (C) number first, followed by Figure (F) or Table (T) number. In some cases, not all figure or table numbers are included in the folder name and thus include a Read Me text file as part of the download. See also, Appendix C Methods and Assumptions.\r\n\r\nFor the most current groundwater data available, please see California\u2019s Groundwater Live website: https://calgwlive.water.ca.gov/.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/bd298a64-66d5-4cf1-b2e7-35682b2c3142/download/ch_02_select_datasets.zip", "format": ".zip", "mediaType": "application/octet-stream", "title": "Select Datasets: Chapter 2"}, {"@type": "dcat:Distribution", "description": "This zipped folder contains select datasets (as Excel workbooks, CSVs, and shapefiles) used in table/figure creation for Chapter 3. Only snapshot datasets that include an analysis altering a public dataset are included. Folder titles follow a naming convention that lists Chapter (C) number first, followed by Figure (F) or Table (T) number. In some cases, not all figure or table numbers are included in the folder name and thus include a Read Me text file as part of the download. See also, Appendix C Methods and Assumptions.\r\n\r\nFor the most current groundwater data available, please see California\u2019s Groundwater Live website: https://calgwlive.water.ca.gov/.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/d829048e-ff2d-4c06-a2a0-35ef402bc9c9/download/ch_03_select_datasets.zip", "format": ".zip", "mediaType": "application/octet-stream", "title": "Select Datasets: Chapter 3"}, {"@type": "dcat:Distribution", "description": "This zipped folder contains select datasets (as Excel workbooks, CSVs, and shapefiles) used in table/figure creation for Chapter 4. Only snapshot datasets that include an analysis altering a public dataset are included. Folder titles follow a naming convention that lists Chapter (C) number first, followed by Figure (F) or Table (T) number. In some cases, not all figure or table numbers are included in the folder name and thus include a Read Me text file as part of the download. See also, Appendix C Methods and Assumptions.\r\n\r\nFor the most current groundwater data available, please see California\u2019s Groundwater Live website: https://calgwlive.water.ca.gov/.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/a8957ea3-f67d-41c9-b74b-cf189a981eeb/download/ch_04_select_datasets.zip", "format": ".zip", "mediaType": "application/octet-stream", "title": "Select Datasets: Chapter 4"}, {"@type": "dcat:Distribution", "description": "This zipped folder contains select datasets (as Excel workbooks, CSVs, and shapefiles) used in table/figure creation for Chapter 5. Only snapshot datasets that include an analysis altering a public dataset are included. Folder titles follow a naming convention that lists Chapter (C) number first, followed by Figure (F) or Table (T) number. In some cases, not all figure or table numbers are included in the folder name and thus include a Read Me text file as part of the download. See also, Appendix C Methods and Assumptions.\r\n\r\nFor the most current groundwater data available, please see California\u2019s Groundwater Live website: https://calgwlive.water.ca.gov/.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/4f2a81f5-6c91-42bd-92ce-e4989e155bf1/download/ch_05_select_datasets.zip", "format": ".zip", "mediaType": "application/octet-stream", "title": "Select Datasets: Chapter 5"}, {"@type": "dcat:Distribution", "description": "This zipped folder contains select datasets (as Excel workbooks, CSVs, and shapefiles) used in table/figure creation for Chapter 6. Only snapshot datasets that include an analysis altering a public dataset are included. Folder titles follow a naming convention that lists Chapter (C) number first, followed by Figure (F) or Table (T) number. In some cases, not all figure or table numbers are included in the folder name and thus include a Read Me text file as part of the download. See also, Appendix C Methods and Assumptions.\r\n\r\nFor the most current groundwater data available, please see California\u2019s Groundwater Live website: https://calgwlive.water.ca.gov/.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/adeba82e-89e6-4c27-8a8e-ae890abb5dd9/download/ch_06_select_datasets.zip", "format": ".zip", "mediaType": "application/octet-stream", "title": "Select Datasets: Chapter 6"}, {"@type": "dcat:Distribution", "description": "Update on Land Subsidence in California builds on Land Subsidence from Groundwater Use in California (Borchers et al., 2014), originally prepared for the California Water Foundation, by incorporating more than a decade of additional data, advances in monitoring and analytical tools, an updated summary of land subsidence impacts, and the regulatory framework established under SGMA. This report also supplements DWR\u2019s Land Subsidence Best Management Practices (BMP) by further elaborating on recommended monitoring, analysis, and modeling approaches to evaluate land subsidence processes and management actions.\r\n\r\nThis report includes data compilations and one-dimensional land subsidence modeling simulations for 50 long-term monitoring sites throughout the Central Valley. The modeling files and DWR\u2019s land subsidence datasets are available on the California Natural Resources Agency Open Data Platform at https://data.cnra.ca.gov/. Additional resources on land subsidence are available on DWR\u2019s website at https://water.ca.gov/Programs/Groundwater-Management/Subsidence/.\r\n\r\nThis report was prepared for DWR by INTERA and James Borchers.", "downloadURL": "https://data.cnra.ca.gov/dataset/eb6f663f-ab39-4be9-9049-87c2fe44b7ea/resource/a6caa77d-f19a-4b80-b90c-32c05c5a72da/download/final_b118_calgw_update2025_appendix_i_subsidence.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Appendix I: Update on Land Subsidence in California"}], "identifier": "799dcdfd-cb75-46c9-9bbf-5ca7e5733c62", "issued": "2025-08-15T20:44:11.813132", "keyword": ["Bulletin 118", "CalGW", "California", "DWR", "Department of Water Resources", "Groundwater", "SGMA", "Sustainable Groundwater Management Act", "california department of water resources"], "modified": "2026-03-12T18:18:00.415132", "publisher": {"@type": "org:Organization", "name": "California Department of Water Resources"}, "theme": ["Natural Resources", "Water"], "title": "California's Groundwater Update 2025 (Bulletin 118)"}