Water data sources in Brazil

National hydrometric network with flood alerts and vulnerability atlas

Free | National hydrographic basins and reservoir systems

Rainforest hydrological monitoring system

Free | Amazon Basin

Brazilian National Water Agency - SNIRH National Water Resources Information System

Free | Brazil nationwide water resources

Real-time water situation monitoring for Brazil including reservoir levels, river flows, drought conditions, and flood alerts from the National Water Agency's Situation Room.

Free | National

Agência Nacional de Águas e Saneamento Básico public portal for the Brazilian National Network of Water Quality Monitoring (RNQA).

Free | National (RNQA network)

Brazilian water resources

Free | National network

Brazilian Agricultural Research Corporation maps of irrigated agriculture and center-pivot irrigation systems across Brazil, derived from satellite imagery and field observation...

Free | Brazil

Instituto Mineiro de Gestão das Águas portal with water-quality monitoring time series (664 stations, Águas de Minas program since 1997), permits, water-use charge data, IQA index...

Free | Minas Gerais State

Brazilian National Institute of Meteorology historical database with hourly/daily data from 400+ automatic and conventional stations (precipitation, temperature, humidity)...

Free | National

INMET portal serving raw automatic weather station data and yearly downloadable archives covering Brazil's full automatic network, with an interactive station map.

Free | National

Brazilian National Electric System Operator open data: daily Stored Energy (EAR, a proxy for reservoir fill level) per reservoir across the national hydropower system, in...

Free | Brazil

Daily 0.1 degree gridded meteorological data for Brazil (precipitation, max/min temperature, solar radiation, humidity, wind, evapotranspiration), precipitation 1961-2022.

Free | Brazil

Large-sample dataset of 735 Brazilian catchments with 30 years (1980-2010) of daily streamflow and climate series plus 100+ attributes across climate, streamflow, groundwater...

Free | 735 catchments, 1980-2010

UFRGS Large Scale Hydrology lab dataset combining in-situ (ANA) and altimetry (Theia/HydroWeb) sources for South American rivers and reservoirs, downloadable as NetCDF.

Free | South America

Brazilian National Institute for Space Research initiative producing analysis-ready data cubes from Sentinel-2, Landsat, and CBERS-4 satellites for water resource monitoring and...

Free | Brazilian territory, multi-satellite

INPE geographic data platform providing satellite-based deforestation monitoring (PRODES annual rates, DETER real-time alerts) for Amazon, Cerrado, and Pantanal biomes with public...

Free | Amazon, Cerrado, Pantanal biomes

MapBiomas Water provides monthly and annual maps of surface water dynamics across Brazil (1985-present) at 30 m from Landsat imagery, discriminating natural water bodies from...

Free | South America

CAMELS-BR: daily observed streamflow from 3,679 gauges, meteorological forcing (precipitation, evapotranspiration, temperature) for 897 selected catchments, and 65 attributes...

Free | 897 catchments (Brazil)