According to the Union Water Resources Ministry, 71.556 billion cubic metre (BCM) of water was available in these reservoirs.
The stock is 4 per cent short of the stock available during the corresponding period last year and also the 10-year average level for the same span, the ministry said in a statement.
The total capacity of these reservoirs is 157.799 BCM.
Himachal Pradesh, Punjab, Rajasthan, West Bengal, Tripura, Odisha, Jharkhand, Gujarat, Uttar Pradesh, Uttarakhand, Chhattisgarh and Tamil Nadu have reported lower levels of water in major reservoirs compared with last year.
Maharashtra, Madhya Pradesh, Andhra Pradesh and Telangana have reported better storage vis-a-vis 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.