Water data sources in Sri Lanka

11 portals, APIs and datasets for Sri Lanka, covering water level, flood alert, flood warning, humidity and river monitoring. 10 are free to use.

Government (6)

Sri Lanka Department of Meteorology
National meteorological services providing weather and climate related services including meteorology, aeronautical meteorology, ocean meteorology, hydro meteorology, agricultural...
Free | Sri Lanka nationwide
Sri Lanka Disaster Management Centre - River Water Level & Flood Warning
Sri Lanka Disaster Management Centre reports portal publishing river water level and flood warning situation reports for the country's main river basins.
Free | National (Sri Lanka)
Sri Lanka Irrigation Department Hydrology & Disaster Management
National hydro-meteorological information system with 42 permanent gauging stations, 66 peripheral stations, and 106 automated stations for water level and rainfall monitoring
Free | Sri Lanka nationwide river systems
Sri Lanka Mahaweli Authority (MASL)
Water resources management for Mahaweli Development Programme managing irrigation water for 101,526 ha of irrigable land with Water Management Secretariat
Limited | Mahaweli Project area and dry zone irrigation systems
Sri Lanka Ministry of Irrigation and Water Resources Management
National ministry for water resources development and management with focus on sustainable water resources for multiple water users
Free | Sri Lanka nationwide water resources
Sri Lanka Water Research Institute
Tropical island water systems
Free | Ancient irrigation systems data

RISE Sri Lanka - Full River Levels
Real-time river level and rainfall monitoring dashboard for Sri Lanka sorted by flood-risk thresholds, sourced from the Hydrology and Disaster Management Centre (Irrigation...
Free | National (major gauging stations, Sri Lanka)
RIVERNET.LK - Live River Levels & Flood Alerts Sri Lanka
Live river level and flood early-warning system for Sri Lankan basins and rivers, presenting current water levels and flood alerts for major rivers including the Kelani, Kalu and...
Free | National (major rivers, Sri Lanka)
RiverWatch.LK - Sri Lanka River Water Levels Dashboard
Dashboard tracking flood warnings, river water levels and alerts across all major rivers of Sri Lanka including the Kelani and Mahaweli basins.
Free | National (major rivers, Sri Lanka)

Sri Lanka Real-time Water Level Monitor (River Monitor SL)
Real-time dashboard visualizing river water-level readings from Sri Lanka's Irrigation Department gauging network, built to support flood awareness.
Free | Major rivers nationwide (Irrigation Department gauge network)

IWMI Water Data Portal (waterdata.iwmi.org)
International Water Management Institute's one-stop portal for meteorological, hydrological, socio-economic and spatial water/agriculture data, including South Asia products such...
Free | South Asia and global