According to updated data at 11:15 am on August 5, Tuyen Quang reservoir has an upstream water level of 106.28 m, 13.72 m lower than the normal water level. Water flow to the reservoir reached 1,399 m3/s, total discharge flow 1,229.41 m3/s, of which 496 m3/s through the spillway and 733.41 m3/s through the plant; the reservoir is operating 1 deep discharge gate.
In the Northwest region, Lai Chau reservoir has a water level of 290.36 m, water flow to the reservoir is 1,943 m3/s, total discharge is 1,533 m3/s, all through the plant.
Ban Chat Lake recorded a water level of 471.12 m, inflow to the lake 253 m3/s, total discharge volume 234 m3/s.
Huo Huoi Quang Lake has a water level of 368.68 m, only 0.68 m higher than the dead water level. Water flow to the lake reached 334 m3/s, total discharge volume 340 m3/s.
Son La Lake reached a water level of 197.41 m, water inflow to the lake was 3,046 m3/s, total discharge volume was 3,246 m3/s, all through the plant.
Hoa Binh Lake has a water level of 102.39 m, water flow to the lake is 3,845 m3/s, total discharge is 2,838 m3/s, all through the plant.
Thac Ba Lake recorded a water level of 53.38 m, water inflow to the lake 890 m3/s, total discharge volume 458.61 m3/s.
