| Basin-wise Hydrological Observations Sites under Central Water Commission (CWC) in India (As on January, 2021) | |||||||||
| Basin | G | GD | GDQ | GDS | GDSQ | GQ | Exclusive Met sites | WQSS | Grand Total |
| Brahmani-Baitarni Total | |||||||||
| Cauvery Total | |||||||||
| East Flowing Rivers between Mahanadi and Pennar Total | |||||||||
| East Flowing Rivers between Pennar and Kanyakumari Total | |||||||||
| Ganga/Brahmaputra/Meghna/Barak Total | |||||||||
| Godavari Basin Total | |||||||||
| Indus Basin Total | |||||||||
| Krishna Total | |||||||||
| Mahanadi Total | |||||||||
| Mahi Total | |||||||||
| Minor Rivers draining into Myanmar and Bangladesh Total | |||||||||
| Narmada Total | |||||||||
| Pennar Total | |||||||||
| Sabarmati Total | |||||||||
| Subarnarekha Total | |||||||||
| Tapi Total | |||||||||
| West Flowing Rivers from Tadri to Kanyakumari Total | |||||||||
| West Flowing Rivers from Tapi and Tadri Total | |||||||||
| west Flowing Rivers of Kutchh and Saurashtra Including Luni Total | |||||||||
| Total | |||||||||
