| City Important » Water Corporation |
| Adhishak Abhiyanta (Saptam Mandal) |
0542-2221416 |
| Executive Administrater (Sixth Nirman) |
0542-2417388 |
| Executive Administrater |
0542-2223385 |
| General Manager (Ganga Pollution) |
0542-2368733 |
| Pariyojna Prabhandak (Ganga Pollution) |
0542-2366650 |
| Executive Administrater (Dinapur) |
0542-2590455 |
| C. & D.S Unit-24 |
0542-2361392 |