California's Groundwater Semi-Annual Conditions Updates
Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the near-real-time data availability through CalGW Live. The semi-annual reports cover statewide groundwater elevation data changes and trends, subsidence data, well infrastructure updates, and a discussion of current concerns such as drought conditions.
Data files
Supporting files
Data title and description | Access data | File details | Last updated |
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Fall 2024 - California’s Groundwater Conditions: Semi-Annual Update Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year California's Groundwater (Bulletin 118) Updates https://water.ca.gov/calgw, and also provide additional perspective on the near-real-time data availability through California's Groundwater Live. https://sgma.water.ca.gov/CalGWLive/ Encountering viewing errors? Clear your browser cache and try again | PDF | 10/08/24 | |
Spring 2024 - California’s Groundwater Conditions, Semi-Annual Update Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year California's Groundwater (Bulletin 118) Updates https://water.ca.gov/calgw, and also provide additional perspective on the near-real-time data availability through California's Groundwater Live. https://sgma.water.ca.gov/CalGWLive/ Encountering viewing errors? Clear your browser cache and try again | PDF | 05/15/24 | |
Fall 2023 - California’s Groundwater Conditions, Semi-Annual Update Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the near-real-time data availability through CalGW Live. | PDF | 10/25/23 | |
Spring 2023 - California’s Groundwater Conditions, Semi-Annual Update Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the near-real-time data availability through CalGW Live. | PDF | 08/11/23 | |
Fall 2022 - California’s Groundwater Conditions, Semi-Annual Update Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the near-real-time data availability through CalGW Live. | PDF | 08/11/23 | |
Spring 2022 - California’s Groundwater Conditions, Semi-Annual Update This document presents a summary of fall 2021 groundwater conditions based on available data from DWR databases as of January 14, 2022 and includes information on groundwater levels, land subsidence, well infrastructure and dry well reports. | PDF | 08/11/23 | |
Spring 2021 Groundwater Level Data Summary This document presents a summary of spring 2021 groundwater level data available in the DWR groundwater level database as of September 9, 2021 and includes a discussion of groundwater level trends through one-, three-, five-, 10-, and 20-year comparisons. | PDF | 08/11/23 | |
Spring 2020 Groundwater Level Data Summary This document presents a summary of spring 2020 groundwater level data available in the DWR groundwater level database as of September 22, 2020 and includes a discussion of groundwater level trends through one-, three-, five-, 10-, and 20-year comparisons. | PDF | 08/11/23 | |
Spring 2019 Groundwater Level Data Summary This document presents a summary of spring 2019 groundwater level data available in the DWR groundwater level database as of August 15, 2019 and includes a discussion of groundwater level trends through one-, three-, five-, and 10-year comparisons. | PDF | 08/11/23 | |
Water Year 2017 - What a Difference a Year Makes Water year 2017 (October 1, 2016 to September 30, 2017) dramatically illustrated the variability in California’s annual precipitation, ending the state’s 5-year drought and coming in at second place for statewide runoff, behind the wettest year of 1983. This report presents trends in precipitation and climate information as well as forecasting for 2018 and beyond. | PDF | 08/11/23 | |
Spring 2017 Groundwater Level Data Summary This document presents a draft summary of Spring 2017 groundwater level data available in the DWR groundwater level database as of July 11, 2017 and includes a discussion of Spring 2017 data coverage and groundwater level trends. | PDF | 08/11/23 |