USGS Estimated Nitrate and Arsenic in SW US Basin-Fill Aquifers (SIM 3234)
Statistical random-forest models predicting nitrate and arsenic concentrations across 190,600 square miles of basin-fill aquifers in Arizona, California, Colorado, Nevada, New Mexico, and Utah with downloadable GIS data
pubs.usgs.gov
At a glance
- Region
- United States (North America)
- Coverage
- Southwestern US: AZ, CA, CO, NV, NM, UT basin-fill aquifers
- Access
- Free
- Category
- Government
- Last updated
- 2024
What's inside
- Arsenic Contamination
- Nitrate Contamination
- Groundwater Quality
- Statistical Models
- GIS Data
What you can do with it
Typical work that data of this type supports.
- 01
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Arsenic Contamination
- 02
Compliance checks
Compare samples against drinking water and discharge standards.
- 03
Trend hotspots
Find where water tables are falling year after year.
Because it has: Groundwater Quality
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
- 02
Anomaly alerts
Catch sudden spikes in sensor or lab data automatically.
- 03
Gap filling
Rebuild missing well readings from neighbours, rainfall and season.
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- California Division of Drinking Water PFAS DataNorth America | Free
- EWG National Nitrate Analysis Interactive MapNorth America | Free
- Southwest Florida WMD Environmental Data PortalNorth America | Free
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