ExperimentalWe used data and feedback to make a user-friendly site. We’d love your feedback.
Back to data.ca.gov.

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

No files available

Supporting files

Data title and descriptionAccess dataFile detailsLast updated

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

API endpoint

Dataset Name

Use the query web API to retrieve data with a set of basic parameters. Copy the API endpoint you need to start.

Usage documentation