All countries

Water data sources in Spain

19 portals, APIs and datasets for Spain, covering reservoir level, water level, precipitation, reservoir storage and water quality. 18 are free to use.

Government (12)

  • Agència Catalana de l'Aigua - Real-time Water (ACA)

    Catalan Water Agency hydrometeorological viewer reporting real-time river flow, reservoir volumes and water-related environmental parameters for Catalonia's internal river basins...

    Free | Regional (Catalonia)

  • Andalusia Reservoir Viewer (datos.gob.es)

    Daily reservoir-reserve data for Andalusia's hydrographic demarcations from 2009 to present, with the option to download data in reusable formats via Spain's national open data...

    Free | Andalusia, Spain

  • Barcelona Smart Water Grid

    City-wide IoT water management

    Registration Required | 25% water conservation achieved

  • Confederación Hidrográfica del Guadalquivir: SAIH

    Guadalquivir river basin authority SAIH system with real-time gauges for water level and regulated freshwater releases, freely available across the Guadalquivir basin in southern...

    Free | Guadalquivir basin, Spain

  • datos.gob.es - SAIH Guadalquivir Dataset

    Spain's national open data catalogue entry for the Guadalquivir SAIH automatic hydrological information system, linking to the real-time hydrological and hydraulic data of the...

    Free | Guadalquivir river basin, Spain

  • datos.gob.es - Spanish National Open Data Catalogue (Water/Agua)

    Spain's national open data catalogue search across water (agua) and environment datasets, aggregating hydrological, river-basin and water-quality datasets published by national...

    Free | Spain

  • Hispagua Spain Hydrography

    CEDEX hydrographic data portal - gauging stations and river flow monitoring

    Free | Spain nationwide hydrographic network

  • MITECO Spain Water Statistics

    Spanish Ministry for Ecological Transition - river basin and water authority data

    Free | Spain intercommunity river basins

  • SAIH Guadalquivir (CH Guadalquivir)

    Real-time SAIH-SAICA network of the Guadalquivir Hydrographic Confederation: 56 reservoirs, 81 river control points, 204 rain gauges and water-quality stations across the...

    Free | Guadalquivir river basin, Spain

  • SAIH Spain Real-Time Hydrological Information

    Real-time hydrological data from Spain's Automatic Hydrological Information System, providing river levels, reservoir storage, rainfall, and flow data across all major Spanish...

    Free | National

  • SiAR - Spanish Agroclimatic Information System for Irrigation

    Spanish Ministry of Agriculture network of 460+ agroclimatic stations across 12 autonomous communities providing daily weather data and reference evapotranspiration (ETo) for...

    Free | National

  • Spanish Groundwater Monitoring Networks (MITECO / sig.mapama)

    Spain's Ministry for Ecological Transition (MITECO) centralized monitoring-network viewer providing access to national groundwater piezometric and quality monitoring station data...

    Free | National

Portal (3)

  • embalses.info - Spanish Reservoir Levels

    Real-time and historical water level, capacity and storage data for 400+ Spanish reservoirs across 16 river basins, sourced from the Ministry for Ecological Transition with weekly...

    Free | Spain

  • embalses.info: Spanish Reservoir Status (via datos.gob.es)

    Platform with weekly-updated status of 400+ Spanish reservoirs organised into 16 river basins, drawing on the MITECO hydrological bulletin and AEMET open data, with historical...

    Free | Spain

  • Embalses.net: Spanish Reservoir Levels

    Daily-updated compilation of Spanish reservoir storage levels by river basin, province and autonomous community, with percentage fill, graphs, rain-gauge data and comparisons to...

    Free | Spain

Research Institute (3)

  • Iberia01 Gridded Precipitation and Temperature (DIGITAL.CSIC)

    Observational gridded daily precipitation and temperature dataset for the Iberian Peninsula (0.1 degree and 0.11 degree CORDEX rotated), 1971-2015, built from thousands of...

    Free | Iberian Peninsula

  • SPEI Global Drought Database (SPEIbase)

    Global 0.5-degree gridded Standardized Precipitation-Evapotranspiration Index database (SPEIbase v2.x) covering 1901 to present, with multi-scale time windows from 1 to 48 months.

    Free | Global

  • SPEI Global Drought Monitor

    Near real-time global Standardized Precipitation-Evapotranspiration Index (SPEI) drought monitor at 1-degree resolution, monthly, timescales 1-48 months, data from 1955.

    Free | Global, 1 degree

Academic (1)

Water data in other countries

Search the full directory