- Water levels and reservoir storage
- National Hydroinformatics Data Center (ThaiWater), Hydro-Informatics Institute (Public Organization)Retrieved through the HII API every 10 minutes.
- Tide tables
- Hydro-Informatics Institute (Public Organization)Hourly predictions at the stations along the coast, refreshed every 6 hours.
- River network and flow direction
- HydroRIVERS (Lehner & Grill 2013), WWF HydroSHEDS (HydroSHEDS licence)
- Main river courses, canals, main roads, names, reservoirs and districts
- © OpenStreetMap contributors (ODbL)
- Country, province and city boundaries
- Natural Earth (public domain)
- Terrain elevation
- AWS Terrain Tiles (Mapzen) (SRTM and other elevation sources)
- Dam capacity, height and completion year
- Wikipedia / Wikidata (CC BY-SA / CC0)