Design floods are hypothetical floods used for planning and floodplain management investigations. It is defined by its probability of occurrence.
"In an inter-state meeting held on June 2 convened by OSD, Ministry of Water Resources, the Governments of Odisha and Chhattisgarh expressed concerns on design flood, back water calculations etc," Minister of State for Water Resources Sanjeev Kumar Balyan said during Question Hour, amid continued sloganeeering by Opposition members, many of whom were in the Well.
Balyan said the Andhra Pradesh government shared relevant details again with the governments of Odisha and Chhattisgarh.
The Minister said Odisha and Chhattisgarh have already accepted the reservoir operation schedule through Inter-State agreement between Andhra Pradesh, Madhya Pradesh and Orissa on April 2, 1980.