Kumbakonam City Municipal Corporation is bounded by two rivers, the Kaveri River and Arasalar River . There are 4 Irrigation channels belongs to PWD and to waste water channels passing through this Municipal area. In G.O. 197 Public Works (Q-2) Dept. dated 29.10.2015 the following 4 PWD Channels have been entrusted to this Corporation for Maintenance purpose within the Municipal limit.
| Palavathankattalai Channel | 7.40 Km | A grade Channel |
| Perumandi Channel | 3.00 Km
1.10 Km 2.40 Km |
A Grade Channel
B1 Grade Channel B2 Grade Channel |
| Ullur Channel | 2.80 Km
3.20 Km 2.40 Km |
A Grade Channel
B1 Grade Channel B2 Grade Channel |
| Thepperumanallur Channel | 3.00 Km | A Grade Channel upto Corporation limit |
Municipal Channels:-
- Olaipattinam Channel
- Mori Channel
| Open Drain | 54.330 K.M. |
| Closed Drain | 125.00 K.M. (UGD) |