| S.No | Sub Basin List | Area | Rivers | District Covered | Reservoirs under WRD Control | No. of Tanks under WRD |
|---|---|---|---|---|---|---|
| Total Pambar Kottakaraya basin Area 5926.953 sq.km | ||||||
| 1 | Manimuthar | 2278.606 sq.km | Perumal Odai, Palar, Virusalar, Manimuthar, Varshalel Ar, | Dindigul, Trichy, Madurai, Sivagangai, Ramanathapuram | – | 994 |
| 2 | Pambar | 1441.847 sq.km | Kottakudiyar, Thenar, Pambar, Pappanar, Koluvanar | Pudukottai, Sivagangai, Ramanathapuram | – | 428 |
| 3 | Kottakkaraiyar | 2206.5 sq.km | Nattar, Saruguniyar, Kottakkaraiyar | Sivagangai, Ramanathapuram, Madurai | – | 651 |
