| Total Gundar basin Area 5734.768 sq.km |
| 1 |
Upper Gundar |
1084.202 sq.km |
Koundannadhi, Gundar, Kanal Odai |
Madurai, Virudhunagar |
– |
54 |
| 2 |
Therkar |
915.779 sq.km |
Therkar |
Madurai, Virudhunagar |
– |
151 |
| 3 |
Kanal Odai |
380.183 sq.km |
Kanal Odai |
Madurai, Virudhunagar Sivagangai |
– |
44 |
| 4 |
Gridhamal |
584.239 sq.km |
Gridhamalnadhi |
Madurai, Virudhunagar Sivagangai |
– |
120 |
| 5 |
Paralaiyar |
429.671 sq.km |
Paralaiyar |
Virudhunagar Sivagangai Ramanathapuram |
– |
92 |
| 6 |
Lower Gundar |
773.094 sq.km |
Kadugusandai Odai |
Virudhunagar Ramanathapuram |
– |
63 |
| 7 |
Uthirakosamangaiyar |
734.623 sq.km |
Kottagudi |
Ramanathapuram |
– |
120 |
| 8 |
Palar |
269.603 sq.km |
Palar |
Ramanathapuram |
– |
34 |
| 9 |
Vembar |
563.374 sq.km |
Uppu Odai |
Virudhunagar Tuticorin Ramanathapuram |
– |
17 |
