The Department of Water Resources (DWR) is responsible for managing and protecting California’s water resources. DWR works with other agencies to benefit the State’s people and to protect, restore and enhance the natural and human environments.
Groundwater Elevation Change Maps summarize the change in groundwater level measurements over time, collected from wells in the northern Sacramento Valley by the Department of Water Resources (DWR) Northern Region Office (NRO) and monitoring...
The following data and resources were used for the 2018 SGMA Basin Prioritization of California’s groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin...
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...
WRIMS 2 GUI related software package and documents
Presentations for the Delta Modeling User Group (DMUG) on December 5th 2018
The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resources as last modified by the Basin Boundary Emergency Regulation adopted on October 21, 2015 and...
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...
Newsletter for 2018
The California Department of Water Resources (DWR) discrete “grab” water quality dataset contains DWR-collected, current and historical, chemical and physical parameters found in drinking water, groundwater, and surface waters throughout the...
DSM2 version 6. Only for archival purposes. The latest model for DSM2 is version 8 and is available elsewhere.