According to Union Water Resources Ministry, 45.492 cbillion cubic metre (BCM) of water was available in these reservoirs for the week ending on July 14.
For the week ending on July 6, the water stock available in these reservoirs was 28.208 BCM.
The current storage is 17 per cent short of the stock available during the corresponding period last year and one per cent more than the 10-year average levels for the same span, the ministry said in a statement.
Rajasthan, Tripura, Maharashtra, Madhya Pradesh and Andhra Pradesh have reported better storage vis-a-vis last year for the corresponding period.
The estimated water storage capacity of all reservoirs in the country is 253.388 BCM. Thirty seven of the major reservoirs have hydropower benefit with installed capacity of more than 60 MW.