River No | Name of River | Length Km/Basin catchment (sqkm) | (G & D site) | Catchment upto delta head (sqkm) | Years of flow Obsn. | Av. annual disch. (Bcum) | Years of sediment Obsn. | Av sed (MMT) |
1 | Subarnrekha | 446/19,277 | Ghatsila | 14,176 | 1986-2011 | 13.875 | 1993-2012 | 2.64 |
2 | Baitarani | 365/14,218 | Anandpur | 8570 | 1991-2011 | 4.79 | 1993-2012 | 2.24 |
3 | Brahmani | 799/39,116 | Jenapur | 33,955 | 1986-2011 | 17.433 | 1993-2012 | 5.23 |
4 | Mahanadi | 891/141,589 | Tikarpada | 124,450 | 1986-2011 | 46.969 | 1993-2012 | 11.02 |
5 | Vans-dhara | 254/10,830 | Kasinagar | 7820 | 1986-2011 | 2.896 | 1993-2012 | 3.087 |
6 | Godavari | 1465/312,812 | Pollavaram | 307,800 | 1985-2011 | 83.942 | 1993-2012 | 45.57 |
7 | Krishna | 1400/258,948 | Agraharam/Vijaywada | 251,360 | 1985-2011 | 26.048 | 1993-2012 | 5.145 |
8 | Pennar | 597/55,213 | Nellore (Musiri) | 50,800 | 1989-2011 | 1.299 | 1991-2012 | 1.157 |
9 | Ponnaiyar | 400/16,019 | Gumanur | 4620 | 1989-1998 | 0.653 | 1991-2012 | 0.357 |
10 | Cauvery | 765/81,155 | Kodumudi | 66,243 | 1989-2011 | 8.185 | 1993-2012 | 0.326 |
11 | Vaigai | 240/7741 | Ambasamudram | 3721 | 1989-1999 2007-2011 | 0.053 | 2003-2012 | 0.073 |
12 | Thambar parani | 130/5482 | Murapandu | 4380 | 1989-1999 2007-2011 | 0.551 | 1991-2012 | 0.044 |