Minnesota Cooperative Groundwater Monitoring (CGM)
Minnesota DNR portal for selecting groundwater observation wells, viewing hydrographs and well metadata, and downloading time-series water-level data in XLSX or CSV.
dnr.state.mn.us
At a glance
- Region
- United States (North America)
- Coverage
- Minnesota
- Access
- Free
- Category
- Government
- Last updated
- 2026
What's inside
- Groundwater
- Water levels
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
- 02
Recharge planning
Site recharge structures and new borewells with evidence.
- 03
Storage tracking
Follow storage and releases through the season.
Because it has: Water levels
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
Storage from space
Estimate volume from satellite water area and altimetry.
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- South Dakota Observation Well NetworkNorth America | Free
- Alberta Groundwater Observation Well Network (GOWN)North America | Free
- Arizona Department of Water Resources - GIS Data and MapsNorth America | Free
- Community Science Institute Water Quality DatabaseNorth America | Free
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