ANA Brazil Water Information
Brazilian National Water Agency - SNIRH National Water Resources Information System
gov.br
At a glance
- Region
- Brazil (South America)
- Coverage
- Brazil nationwide water resources
- Access
- Free
- Category
- Government
- Last updated
- 2025
What's inside
- Water Resources
- Water Quality
- Water Availability
- Demand Data
- Monitoring Networks
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
Coverage gaps
Find who lacks safe water or sanitation.
Because it has: Monitoring Networks
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
Failure prediction
Predict pipe bursts and plant failures before they happen.
Machine access and documentation
Open API
SNIRH HidroWeb REST (snirh.gov.br)
Licence: Brazilian government open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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- BR-DWGD Brazilian Daily Weather Gridded DataSouth America | Free
- CABra: Catchment Attributes for Brazil (Interactive Dataset Explorer)South America | Free
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