WAPDA General Manager Sheer Ali Baloch told Dawn that it was difficult to reach a place where the infringement took place and use machines to cut it down.
He said the breach was a dangerous Mehar, Khairpur Nathan Shah, Dadu and Johi talukas south of Hamal.
Official said that the waters also violates the surge towards Warah and Naseerabad, east.
The flow of wastewater into NVM has increased the threat Dadu, Bhan Syedabad, Bubák, Khudabad Sehwan Sharif city.
Waters was 1.5 meters below the top of an embankment near the bridge Chhandan. The water level in the drain suddenly rose from zero to Chhandan Mori Manchhar Lake.
GM Wapda informed the district administration to divert water from the drain in the MNV Indus right bank of the drain discharge (RBOD) near Bhan Syedabad pressure reduction.
He said in a letter that the water level in MNV drain had reached a dangerous point, and if it has not been reduced by an artificial gap between Karampur Syedabad Bhan and Sehwan Sharif, Dadu and city facilities oil company BHP would be flooded.
But Finance Minister Mourad Syed Ali Shah, Sindh opposed the proposal.
Deputy Minister of Food and Agriculture Organization, Rafique Ahmed Jamali, who belongs to the National Assembly of Dadu asked the Minister for Water and Energy Pervaiz Ashraf Limit to invest more in machinery and levees and drainage NVM.
Hamal LAKE: Hamal lakes water level has exceeded the danger level on Thursday, forcing Qambar-Shahdadkot district administration to give a second warning to the people Warah the city to move to safe places.
Yaseen Shar, DCO said the situation was critical. The waters have reached an embankment along the road and Mirwah branch Nawab.