| Total Tamiraparani basin Area 5717.068 sq.km |
| 1 |
Upper Tamiraparani |
514.327 sq.km |
Servalar, Tamiraparani, Pambar |
Tirunelveli |
Vandal Odai |
66 |
| 2 |
Manimuttar |
191.543 sq.km |
Manimuttar Kil Manimuttar |
Tirunelveli |
Manimuttar |
9 |
| 3 |
Gadananadhi |
446.83 sq.km |
Karunai Ar or Gadananadhi, Ramanadhi |
Tirunelveli |
Gadana, Ramanadhi |
120 |
| 4 |
Pachaiyar |
288.525 sq.km |
Pachaiyar |
Tirunelveli |
Vadakku Pachaiyar |
62 |
| 5 |
Chittar |
1662.499 sq.km |
Chittar, Hanumanadhi, Gundar |
Tirunelveli |
Karuppanadhi Adavinainarkovil Gundar |
429 |
| 6 |
Uppodai |
721.7 sq.km |
Uppodai |
Tirunelveli, Tuticorin |
– |
29 |
| 7 |
Lower Tamiraparani |
1891.644 sq.km |
Tamiraparani |
Tirunelveli, Tuticorin |
– |
344 |
