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)
- BULL Database: Spanish Basin Attributes for Large-Sample Hydrology
Spanish large-sample hydrology database: daily hydrometeorological time series (1951-2021) and attributes (geology, soil, topography, land cover, anthropogenic influence...
Free | 484 basins, 1951-2021
Water data in other countries
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