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FreeGovernmentUnited States
USGS Real-Time Water Quality
Real-time water quality monitoring network
nrtwq.usgs.gov
At a glance
- Region
- United States
- Coverage
- Nationwide real-time network
- Access
- Free
- Category
- Government
- Last updated
- 2025
What's inside
- Real-time Monitoring
- Continuous Data
- Sensors
- pH
- Dissolved Oxygen
- Temperature
Terms explained
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: Dissolved Oxygen
- 02
Compliance checks
Compare samples against drinking water and discharge standards.
- 03
Risk screening
Screen projects and assets for climate risk.
Because it has: Temperature
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
Bias correction
Correct and downscale climate model output for a site.
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