Manager Office
Manager Kelaniya
National Water Supply & Drainage Board,
11, Dippitiyagoda Road, Kelaniya
11, Dippitiyagoda Road, Kelaniya
+94 11 2909854
Manager Gampaha
National Water Supply & Drainage Board,
36/1 Bauddhaloka Mawatha,
Gampaha.
36/1 Bauddhaloka Mawatha,
Gampaha.
+94 33 2236069
+94 33 2231464
+94 33 2232718