According to WAPDA, the Indus River at Tarbela has an inflow of 131,500 cusecs and an outflow of 155,000 cusecs. At Mangla, the Jhelum River has an inflow of 11,400 cusecs and an outflow of 30,000 cusecs.
At Chashma Barrage, the Indus River has an inflow of 185,900 cusecs and an outflow of 165,000 cusecs.
The Chenab River at Head Marala has an inflow of 41,300 cusecs and an outflow of 14,200 cusecs, while the Kabul River at Nowshera has both inflow and outflow recorded at 18,900 cusecs.
The water level at Tarbela Reservoir stood at 1,544.47 feet, with a water storage of 5.262 million acre-feet. Mangla Reservoir recorded a water level of 1,220.15 feet and storage of 5.593 million acre-feet.
At Chashma Reservoir, the water level was recorded at 646.10 feet, with storage of 178,000 acre-feet.
WAPDA said the combined usable water storage in Tarbela, Mangla and Chashma reservoirs stood at 11.033 million acre-feet.
The authority clarified that the inflow and outflow figures for the Indus at Tarbela and Chashma, the Kabul at Nowshera and the Jhelum at Mangla represent 24-hour average flows.
Figures for Head Marala and other locations were recorded at 6am on Sunday.