Borehole extensometers are a more site specific method of measuring land subsidence. These instruments consist of a pipe or cable anchored at the bottom of a well casing. Pipe or cable extend from the bottom of the well, through geologic layers...

• CSV

DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Water Resources. Readings are taken at 15-minute to one-hour intervals. Some of the readings are...

• CSV

The DWR Periodic Groundwater Levels dataset contains seasonal and long-term groundwater level measurements collected by the Department of Water Resources and cooperating agencies in groundwater basins statewide. It also includes data collected...

• CSV
• ZIP
• TXT

Stations and a table of download links for time-series data, from DWR's continuous environmental monitoring database. For more information, see DWR's Water Data Library, continuous data section: https://wdl.water.ca.gov/ContinuousData.aspx,...

• CSV

BDCP ANNs 64 bit

• application/x-msdos-program

BDCP ANNs 32 bit

• application/x-msdos-program

This Well Completion Report dataset represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Completion Reports (OSWCR). This dataset is for informational purposes only. All attribute values...

• CSV
• ZIP
• XLSX

The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over the long-term. SGMA requires local agencies to form groundwater sustainability agencies (GSAs) for...

• HTML
• ArcGIS GeoServices REST API
• CSV
• GeoJSON
• ZIP
• KML

The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow measurements collected by Groundwater Sustainability Agencies (GSA) during implementation of...

• CSV

This data set, (i06_Bathymetry_Index), is a polygon feature class that represents an index of bathymetric data collected by California Department of Water Resources and other agencies. It is a representation of the extents of bathymetric survey data.

• HTML
• ArcGIS GeoServices REST API
• CSV
• GeoJSON
• ZIP
• KML

This dataset represents the 1977 Delta Habitat Types that were distributed in the 1979 Delta Environmental Atlas, produced by USACE. 1977 Delta Habitat Types were made digital by heads up digitizing registered scanned pages from 1979 Delta...

• HTML
• ArcGIS GeoServices REST API
• CSV
• GeoJSON
• ZIP
• KML

Dayflow is a computer program developed in 1978 as an accounting tool for determining historical Delta boundary hydrology. It presently provides the best estimate of historical mean daily flows: (1) through the Delta Cross Channel and Georgiana...

• CSV
• PDF
• DOCX

The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA) and Alternative Agencies as part of their GSP AR or Alternative to GSP AR: groundwater...

• CSV

In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do counties collect data regularly from these systems. Even where data is collected, it is entirely...

• CSV

The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, chemical and physical parameters found in routine environmental, regulatory compliance monitoring,...

• CSV

This dataset contains files and materials in support of the California's Groundwater Live website. California's Groundwater Live is a user-friendly platform that allows users to view and interact with the latest information on groundwater in...

• HTML
• JPEG
• MP4
• PDF
• DOCX
• ZIP

This is a point feature class of all groundwater elevation monitoring stations (wells) maintained in the California Department of Water Resources’ (hereafter the Department) Enterprise Water Management database. Individual station information...

• HTML
• ArcGIS GeoServices REST API
• CSV
• GeoJSON
• ZIP
• KML

A water transfer is a voluntary sale of water proposed and initiated by a willing seller who has legal rights to a supply of water to interested buyers within California. It usually takes place in relatively dry years, when only existing...

• Web App

This is a point feature class of all groundwater elevation monitoring stations (wells) maintained in the California Department of Water Resources’ (hereafter the Department) Enterprise Water Management database. Individual station information...

• HTML
• ArcGIS GeoServices REST API
• CSV
• GeoJSON
• ZIP
• KML

This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Department) Hydstra continuous database management system used for collection of high frequency...

• HTML
• ArcGIS GeoServices REST API
• CSV
• GeoJSON
• ZIP
• KML

DSM2 models, data, and other resources

• ZIP
• HTML
• application/x-msdos-program
• PDF

These studies are for the hands-on exercises in the DSM2 ECO-PTM Training. The input files included here are only for training purposes. They are not intended to be used for actual studies.

• ZIP

This log of operations includes: flashboard installation and removal dates, when tidal operations were started and stopped, and notes any technical issues. This current document is an Excel file that contains the data as a Table. The Table can be...

• XLSX
• PDF

December 6, 2023 (Final DWR Data) The 2018 Legislation required DWR to provide or otherwise identify data regarding the unique local conditions to support the calculation of an urban water use objective (CWC 10609. (b)(2) (C)). The urban water use...

• CSV
• XLSX

For many years, the California Department of Water Resources (DWR) has collected land use data throughout the state and used this information to develop water use estimates for statewide and regional planning efforts, including water use...

• data
• ZIP
• REST Service
• GDB
• SHP

The USGS National Hydrography Dataset (NHD) Downloadable Data Collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about naturally occurring and constructed bodies of surface water (lakes,...

• ZIP
• Website
• ArcGIS GeoServices REST API
• PDF
• CSV

The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over the long-term. SGMA requires local agencies to form groundwater sustainability agencies (GSAs) for...

• HTML
• ArcGIS GeoServices REST API
• CSV
• GeoJSON
• ZIP
• KML

Publicly available versions of the Integrated Water Flow Model (IWFM)

• ZIP
• PDF

Monthly salinity reports for the Suisun Marsh from October through May of each year.

• PDF

This dataset contains the daily elevation and storage data for the State Water Project reservoirs.

• CSV