California SGMA Data Viewer
California DWR Sustainable Groundwater Management Act data viewer providing groundwater datasets organized by SGMA and Groundwater Sustainability Plan requirements to support GSP development.
sgma.water.ca.gov
At a glance
- Region
- United States (North America)
- Coverage
- Sub-national
- Access
- Free
- Category
- Government
- Last updated
- 2026
What's inside
- Groundwater levels
- Groundwater basins
- Subsidence
- Water quality
What you can do with it
Typical work that data of this type supports.
- 01
Trend hotspots
Find where water tables are falling year after year.
Because it has: Groundwater levels
- 02
Recharge planning
Site recharge structures and new borewells with evidence.
- 03
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Water quality
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Gap filling
Rebuild missing well readings from neighbours, rainfall and season.
- 02
Level forecasts
Forecast pre- and post-monsoon levels well by well.
- 03
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
Related water data
- California's Groundwater LiveNorth America | Free
- Montana Ground Water Information Center (GWIC)North America | Free
- New Mexico Water Data Catalog - USGS National Ground-Water Monitoring NetworkNorth America | Free
- South Florida Water Management District DBHYDRO InsightsNorth America | Free
- TWDB Groundwater Database & Water Data InteractiveNorth America | Free
- Arizona Department of Water Resources Open DataNorth America | Free
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