| Total Vaigai basin Area 6884.96 sq.km |
| 1 |
Upper Vaigai |
800.966 sq.km |
Vaigai |
Theni |
Mullai Periyar |
30 |
| 2 |
Suruliyar |
649.805 sq.km |
Suruliyar, Periyar |
Theni |
Shanmuganadhi, Manalar |
22 |
| 3 |
Theniyar |
646.812 sq.km |
Theniyar, Thalaiyar |
Theni |
– |
33 |
| 4 |
Varattar – Nagalar |
637.851 sq.km |
Vaigai, Mavuthu Odai, Nagalar |
Theni, Dindigul Madurai |
Vaigai |
20 |
| 5 |
Varahanadhi |
391.934 sq.km |
Varahanadhi |
Theni, Dindigul |
Sothuparai |
32 |
| 6 |
Manjalar |
468.878 sq.km |
Manjalar, Maruthanadhi |
Theni, Dindigul |
Manjalar, Maruthanadhi |
22 |
| 7 |
Sirumalaiyar |
535.193 sq.km |
Sirumalaiyar |
Dindigul, Madurai |
– |
39 |
| 8 |
Sathaiyar |
669.757 sq.km |
Sathaiyar |
Dindigul, Madurai |
Sathaiyar |
187 |
| 9 |
Uppar |
1088.956 sq.km |
Vaigai, Uppar |
Dindigul, Madurai, Sivagangai |
– |
740 |
| 10 |
Lower Vaigai |
994.808 sq.km |
Vaigai, Pillaimadam Ar |
Virudhunagar, Sivagangai, Ramanathapuram |
– |
143 |
