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California Department of Water Resources

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.


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Other Access

The information on this page (the dataset metadata) is also available in these formats.


via the DKAN API

Northern Sacramento Valley Groundwater Elevation Change Maps

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 cooperators. Northern Sacramento Valley groundwater levels are measured seasonally, during the annual water year, as part of our ongoing data collection program. Many of the wells have over 30 years of monitoring history, with the longest active monitoring well dating back to 1921. Groundwater level data provides valuable information regarding seasonal fluctuations and long-term changes in groundwater level trends over time. The groundwater level data presented in these figures includes the Sacramento Valley and Redding groundwater basin portions of Shasta, Tehama, Butte, Colusa, Glenn, and Sutter counties and are organized by year, season, well depth, and period of change.

To lookup and filter documents by order of year, season, or depth interval, the NSV GW Change Map Index provides filtering and sorting to locate specific map figures:

Source: CNRA DWR

Data and Resources

Release Date
Contact Name
Jonathan Stephan
Contact Email
Public Access Level
POD Theme
Harvested from CNRA DWR
Harvest Source TitleCNRA DWR
Harvest Source URI
Last Harvest PerformedFri, 04/19/2019 - 06:32