Brazil ANA QualiÁgua National River Water Quality Portal
Agência Nacional de Águas e Saneamento Básico public portal for the Brazilian National Network of Water Quality Monitoring (RNQA). Station-level surface water quality data across all Brazilian river basins including major ions, nutrients, heavy metals (arsenic, chromium, lead, cadmium, mercury), and physical-chemical parameters.
qualidadedaagua.ana.gov.br
At a glance
- Region
- Brazil (South America)
- Coverage
- National (RNQA network)
- Access
- Free
- Category
- Government
What's inside
- Water Quality
- Arsenic
- Chromium
- Trace Elements
- River Monitoring
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: Water Quality
- 02
Compliance checks
Compare samples against drinking water and discharge standards.
- 03
Storage tracking
Follow storage and releases through the season.
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
Storage from space
Estimate volume from satellite water area and altimetry.
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- USGS NAWQA National Water-Quality Assessment Trace ElementsNorth America | Free
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