Ahead of the river board taking over the control of projects,Central Water Commission(CWC) has commenced hydrographical survey inSrisailamto ascertain the latest storage capacity of the dam.The project was designed with a 308 tmc capacity but came down to 215 tmc by 2011 and it is feared would go down further due to silt formation.

Cwc took up the study following apprehensions about storage capacity of the major Irrigation andhydro-electric projectlocated atAPandTelanganaborder. Srisailam project is the first major irrigation dam afterKrishnariver enters the state.

According to project engineers, the latest capacity might not be more than 180 tmc, which could further intensify the water war between AP and .