In the Northwest region, Hoa Binh reservoir has an upstream water level of 102.74m, a water inflow of 3,902 m3/s, and a total discharge of 4,395 m3/s. Of which, 1,523 m3/s passes through the spillway and 2,872 m3/s through the plant; the reservoir is opening 1 deep discharge gate.
Son La Lake has a water level of 198.17m, water recedes at 3,552 m3/s, total discharge volume of 3,125 m3/s, all through the plant.
Lai Chau Lake has a water level of 294.96m, water recedes at 2,116 m3/s, total discharge volume of 2,321 m3/s, including 822 m3/s through the spillway and 1,499 m3/s through the plant. The Lake is opening 3 surface discharge gates.
Ban Chat Lake has a water level of 471.5m, receding water 124 m3/s, total discharge volume 168 m3/s. Huoi Quang Lake has a water level of 369.08m, receding water 242 m3/s, discharging 236 m3/s.
In the Northeast region, Tuyen Quang reservoir has a water level of 105.2m, a water inflow of 561 m3/s, a total discharge of 724.39 m3/s, all through the spillway dam.
Thac Ba Lake has a water level of 54.1m, water recedes 315 m3/s, total discharge volume 167.26 m3/s.
