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Well Completion Reports
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).... -
Groundwater Sustainability Plan Annual Report Data
The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA) and Alternative Agencies... -
Periodic Groundwater Level Measurements
The DWR Periodic Groundwater Levels dataset contains seasonal and long-term groundwater level measurements collected by the Department of Water Resources and cooperating... -
GSP Monitoring Data
The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow measurements collected by... -
Dry Well Reporting System Data
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... -
DWR Continuous Data Download Links
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,... -
i08 Stations Monitoring Continuous Hydstra
This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Department) Hydstra continuous... -
i08 GroundwaterStations EnterpriseWaterManagement
This is a point feature class of all groundwater elevation monitoring stations (wells) maintained in the California Department of Water Resources’ (hereafter the Department)... -
Water Quality Data
The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, chemical and physical... -
National Hydrography Data - NHD and 3DHP
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... -
California Aqueduct Subsidence Study
California Aqueduct Subsidence Study. San Luis Field Division, and San Joaquin Field Division -
WDL Ground Surface Displacement - Land Subsidence Monitoring
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... -
Continuous Groundwater Level Measurements
DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Water Resources. Readings are... -
i03 Groundwater Sustainability Agencies MapService
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... -
i03 Groundwater Sustainability Plan Areas MapService
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... -
TRE ALTAMIRA InSAR Subsidence Data
This dataset represents measurements of vertical ground surface displacement in more than 200 of the high-use and populated groundwater basins across the State of California... -
Daily SWP Reservoir Elevation and Storage Data
This dataset contains the daily elevation and storage data for the State Water Project reservoirs. -
i15 LandUse Sacramento2015
This map is designated as Final.Land-Use Data Quality ControlEvery published digital survey is designated as either ‘Final’, or ‘Provisional’, depending upon its status in a... -
Suisun Marsh Monitoring Program Channel Water Salinity Report
Monthly salinity reports for the Suisun Marsh from October through May of each year. -
Statewide Crop Mapping
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... -
Integrated Water Flow Model (IWFM)
Publicly available versions of the Integrated Water Flow Model (IWFM) -
IWFM Demand Calculator (IDC)
Publicly available version of IDC (IWFM Demand Calculator) -
WEAP Future Scenarios Model for Water Plan Update 2023
California Water Code Section 10004.6 requires the California Department of Water Resources (DWR) to quantify current and future water conditions in the state. This information... -
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... -
State Water Project Facilitated Non-Project Water Transfers
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... -
State Water Project Delivery Capability Report (DCR) 2023
Documents related to the State Water Project Delivery Capability Report (DCR) 2023 -
CalSim 3 Studies used in DCR 2023
The CalSim 3 Studies used in the 2023 DCR -
CalSim Earlier Version ANNs 64 bit
BDCP ANNs 64 bit -
CalSim Earlier Version ANNs 32 bit
BDCP ANNs 32 bit -
Dayflow
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...