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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... -
California's Groundwater Live Supporting Data
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... -
DSM2
DSM2 models, data, and other resources -
ECO-PTM Training Example Studies
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... -
Data for Calculating Efficient Outdoor Water Uses
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... -
DWR Airborne Electromagnetic (AEM) Surveys Data
Statewide AEM Surveys Project Overview The Department of Water Resources’ (DWR’s) Statewide Airborne Electromagnetic (AEM) Surveys Project is funded through California’s... -
Gridded Weather Generator Perturbations of Historical Detrended and Stochasti...
The Weather Generator Gridded Data consists of two products: [1] statistically perturbed gridded 100-year historic daily weather data including precipitation [in mm], and... -
Bay-Delta SCHISM Milestone Mesh Versions
This dataset includes gzipped files formats native to the Surface Water Modeling System (SMS) grid generation software or *.gr3 format native to SCHISM. All are text based.... -
Annual Precipitation Data for Northern California 1944-Current
The California Department of Water Resources (DWR), Northern Region Office (NRO), maintains 33 precipitation stations that were installed starting in 1944. Stations record total... -
Interagency Ecological Program: Fish catch and water quality data from the Sa...
Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program in the Yolo Bypass, a... -
Estimated Inundation Periods in the Yolo Bypass, 1998 – 2022
Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program in the Yolo Bypass, a... -
EMP Discrete Water Quality Data
Discrete water quality monitoring data from the Sacramento-San Joaquin Bay-Delta collected by the Environmental Monitoring Program. Data is also accessible via the Environmental... -
Water quality, fish, phytoplankton, clams and zooplankton monitoring to suppo...
The Suisun Marsh Salinity Control Gates (SMSCG) have the potential to increase low-salinity-zone habitat for endangered Delta Smelt (Hypomesus transpacificus, California... -
WRIMS 2 GUI
WRIMS 2 GUI related software package and documents -
CalSim 3
CalSim 3 related model, doc, and materials -
CalSim 3.0 Release
CalSim 3.0 Release to the public -
i15 Crop Mapping 2022 Provisional
2022 STATEWIDE CROP MAPPING - PROVISIONALLand use data is critically important to the work of the Department of Water Resources (DWR) and other California agencies.... -
Methodology for Flow and Salinity Estimates in the Sacramento-San Joaquin Del...
Annual report submitted by the DWR's Delta Modeling Section -
IWFM-IDC Users Group Meetings
Presentations given in the previous IWFM-IDC Users Group Meetings. Bay-Delta Office of DWR develops, maintains and provides technical support on the Integrated Water Flow Model... -
California Central Valley Groundwater-Surface Water Simulation Model – Fine G...
(Released on April 20, 2021) The C2VSimFG Version 1.01 of the California Central Valley Groundwater-Surface Water Simulation Model – Fine Grid (C2VSimFG) (C2VSimFG V1.01) is a... -
i15 Parcels SWP public
This data set was collected to create a comprehensive platform to visualize SWP owned land. The parcels were created from record parcel information displayed on Department CAD... -
California Groundwater Elevation Monitoring (CASGEM) Program
Since 2009, the California Statewide Groundwater Elevation Monitoring (CASGEM) Program has tracked seasonal and long-term groundwater elevation trends in groundwater basins... -
California's Groundwater (Bulletin 118)
California’s Groundwater (Bulletin 118) is the State’s official publication on the occurrence and nature of groundwater in California. The latest version of the report,...