 Separate navigation channels with lock gates were provided on this system for boats to negotiate falls.Originally constructed from 1842 to 1854, for an original head discharge of 6000 ft³/s, the Upper Ganges Canal has since been enlarged gradually for the present head discharge of 10,500 ft³/s (295 m³/s).The system consists of main canal of 272 miles and about 4000 miles long distribution channels.