According to Union Water Resources Ministry, 23.786 billion cubic metre (BCM) of water was available in these reservoirs for the week ending on June 16.
The storage is 43 per cent short of the stock available during corresponding period last year and 20 per cent less than the 10-year average levels for the same span, the ministry said in a statement.
The total capacity of these reservoirs is 157.799 BCM.
Himachal Pradesh, Telangana, Punjab, Odisha, Jharkhand, Maharashtra, Gujarat, Uttar Pradesh, Uttarakhand, Madhya Pradesh, Chhattisgarh, Tamil Nadu and Karnataka have reported lower levels of water in major reservoirs compared to last year.
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.