The water tower, which is characterised as the world's largest overhead water reservior, covers , has a capacity of , stands off the ground and has a total mass of —including water—at maximum capacity. The tank has four individually isolated chambers. The steel was imported from the United Kingdom and is of similar quality to that which was used to build the "RMS Titanic". It has survived the 1934 Nepal–India earthquake, World War II Imperial Japanese aerial bombings from 1942 to 1944, and Cyclone Amphan in 2020.