LARKANA: The Right Bank Canal System of Sukkur Barrage is currently experiencing a critical irrigation water shortage , severely impacting the command areas of Larkana an Qambar-Shahdadkot districts, as well as the lands in Balochistan, fed through the North West Canal (NWC) during the peak Kharif crop season. The impact is also affecting Dadu Canal, Rice Canal and those irrigating the Sukkur district. Sources privy to the situation told Dawn on Saturday that the prevailing shortfall across the canal network has reached an alarming level — North West Canal (-) 64.1%, Rice Canal (-) 38.0% and Dadu Canal (-) 82.0%.