Water data sources in China
18 portals, APIs and datasets for China, covering runoff, water quality, discharge, lake water quality and monitoring wells. 14 are free to use.
Government (10)
- Beijing Climate Centre
China Meteorological Administration's climate center providing precipitation, climate services, and water-related climate data
Free | China - National climate and hydrological monitoring
- China Ministry of Water Resources (MWR)
Official publications portal providing annual China Water Resources Bulletins since 1998, statistical reports on water activities, water use efficiency, flood control, and...
Free | National - all major river basins
- China National Environmental Monitoring Centre (CNEMC)
National environmental monitoring agency providing monthly surface water quality bulletins from automatic monitoring stations across major rivers and lakes
Free | National - major river basins and lakes
- China National Groundwater Monitoring Network
China's national groundwater monitoring system operated by the China Geological Survey, providing groundwater level and quality data from over 20,000 monitoring wells across all...
Limited | National (20,000+ wells)
- China National Hydrological Information Portal (Hydroinfo)
China's national real-time hydrological information system providing water level, discharge, and rainfall data from thousands of monitoring stations across major Chinese river...
Free | National
- China Three Gorges Corporation Hydrological Data
Hydrological and reservoir operations data from the Three Gorges Dam and associated cascade reservoirs on the Yangtze River, including water level, inflow, outflow, and power...
Limited | Three Gorges and Yangtze Cascade
- China Underground Water Level Grid
National groundwater monitoring network
Free | 11,911 monitoring points, 4.3M records
- China Water Database
Chinese water environment
Registration Required | 972 monitoring stations
- CNEMC China Real-time Surface Water Quality
China National Environmental Monitoring Centre (under the Ministry of Ecology and Environment) real-time surface water quality data, updated every 4 hours across 2,000+ stations...
Free | National (2,000+ stations)
- Yellow River Conservancy Commission
Yellow River basin monitoring
Limited | Yellow River basin
Research Institute (6)
- CropWatch Cloud (China crop & agro-climatic monitoring)
Chinese Academy of Sciences CropWatch platform providing remote-sensing-based crop condition, agro-climatic indicators (including water-related stress/drought) and production...
Free | Global / China
- National Cryosphere Desert Data Center (NCDC) - Hydrology datasets
Chinese national data center (Northwest Institute of Eco-Environment and Resources, CAS) providing glacier, frozen soil, desert and hydrology datasets, including runoff...
Free | China / Global
- National Earth System Science Data Center of China (Geodata.cn)
National data sharing platform organized by the Institute of Geographic Sciences and Natural Resources Research, CAS, with 115+ thematic databases (>2 PB) covering the...
Free | China / Global
- National Tibetan Plateau / Third Pole Environment Data Center (TPDC)
China's largest scientific data center for the Tibetan Plateau and surrounding Asian water towers, hosting 2,400+ datasets including gridded runoff, streamflow records for Third...
Free | Tibetan Plateau / Pan-Third Pole
- Science Data Bank (ScienceDB) - China hydrology datasets
China's public open data repository (Chinese Academy of Sciences) hosting hydrology datasets such as the China Natural Runoff Dataset (CNRD v1.0), the Chinese Mainland River...
Free | China
- TPDC - China Natural Runoff Dataset CNRD v1.0
Monthly naturalized runoff fields for China at 0.25-degree resolution from the 1990s to 2010s, generated with a calibrated land-surface hydrological model.
Free | National (China)
Academic (1)
- China Hydrology Data Project (Oberlin College)
Academic project digitizing historical Chinese hydrology station records - daily discharge, total suspended sediment, rainfall and evaporation measured at Chinese gauging stations...
Free | China (historical)
Research (1)
- High Resolution Water Quality of Chinese Lakes (2000-2023)
Monthly data for 8 water quality parameters across 180,000 lakes and reservoirs in China, developed using random forest models. Published 2025.
Free | National
Water data in other countries
- United States
- Australia
- India
- Germany
- United Kingdom
- Canada
- New Zealand
- Japan
- France
- Switzerland
- Spain
- Brazil
- Netherlands
- Philippines
- South Africa
- Ireland
- Italy
- Bangladesh
- Indonesia
- Sri Lanka
- South Korea
