Water data sources in the Netherlands
15 portals, APIs and datasets for the Netherlands, covering precipitation, water level, water quality, drinking water and geology. 14 are free to use.
Government (8)
- DINOloket - DINO/BRO Subsurface and Groundwater Database (Netherlands)
TNO Geological Survey of the Netherlands clearinghouse holding over 100 million groundwater readings from ~23,000 monitoring wells, plus borehole, CPT and geophysical data.
Free | National
- DINOloket: Subsurface Data of the Netherlands (TNO-GDN)
Geological Survey of the Netherlands (TNO) repository for subsurface and groundwater data, including all public groundwater level time series and interactive groundwater tools...
Free | Netherlands
- Dutch Water Authorities
Netherlands regional water management data
Free | 21 regional water authorities
- Rijkswaterstaat Waterdata & WaterWebservices
Dutch national water authority portal with current, forecast and historical measurements of state waters (water levels, tides, waves, temperature, chemistry) plus RESTful...
Free | Netherlands
- Rijkswaterstaat Waterinfo Netherlands
Real-time and historical water data from the Dutch national water authority, including water levels, wave heights, water temperature, salinity, and current velocities across all...
Free | National
- Rijkswaterstaat WaterWebservices - Dutch Water Data API
Rijkswaterstaat (Netherlands Ministry of Infrastructure and Water Management) water data portal.
Free | Netherlands
- Statistics Netherlands (CBS) - Water Use Within the Dutch Economy
CBS Environmental Accounts open dataset (82883ENG) on tap water, groundwater and surface water use by industry and households from 2003 onward, in million cubic meters.
Free | Netherlands
- Waterkwaliteitsportaal Netherlands
Dutch national water quality portal providing chemical, biological, and ecological water quality monitoring data from surface waters and groundwater across the Netherlands.
Free | National
Research (3)
- Caravan Large-Sample Hydrology Dataset (4TU.ResearchData)
Caravan global community large-sample hydrology dataset providing standardized ERA5-Land meteorological forcing (precipitation, PET, temperature) and streamflow for thousands of...
Free | 1981-present per catchment
- GloLakes Global Water Monitor Lake Storage Explorer
Web data explorer for the GloLakes dataset: water storage dynamics for 27,000+ lakes globally from 1984 to present, derived from satellite radar/laser altimetry and...
Free | Global
- KNMI Climate Explorer
Royal Netherlands Meteorological Institute's web-based tool for analyzing climate and hydrological time series data, including precipitation, river discharge, and drought indices...
Free | Global
Academic (1)
- Caravan Dataset Record (TU Delft Research Portal)
TU Delft research portal record for the Caravan global large-sample hydrology dataset, documenting ERA5-Land-based precipitation/PET forcing and streamflow with links to the...
Free | 1981-present per catchment
Company (1)
- eLEAF Satellite Evapotranspiration & Crop Water Services
eLEAF (Netherlands) provides global satellite-based time series of actual evapotranspiration, crop water stress, water productivity, and biomass production via its PiMapping...
Limited | Global
NGO (1)
- Vewin - Association of Dutch Water Companies
Industry body for the 10 Dutch drinking water companies publishing annual Drinking Water Fact Sheets and statistics on production, consumption, quality, prices and infrastructure...
Free | Netherlands
Research Institute (1)
- IHE Delft Water Research Data
IHE Delft Institute for Water Education produces research data on water management, hydroinformatics, sanitation, and water governance.
Free | Global
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