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FreeGovernmentUnited States
State Geological Survey Databases
State-level hydrogeology and well databases
stategeologists.org
At a glance
- Region
- United States
- Coverage
- All 50 states
- Access
- Free
- Category
- Government
- Last updated
- 2025
What's inside
- Geological Data
- Well Logs
- Aquifer Maps
- Hydrogeologic Reports
- Regional Studies
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: Well Logs
- 02
Recharge planning
Site recharge structures and new borewells with evidence.
- 03
Water budgets
Estimate draft and recharge for a block, district or basin.
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
Stress mapping
Combine wells with satellite gravity and rainfall to map aquifer stress.
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- NOAA Atlas 14 Precipitation FrequencyUnited States | Free
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