According to system data updated at 3:15 PM on September 20, in the Northeast region, Tuyen Quang reservoir has an upstream water level of 117.06 m, 120 m lower than the normal water level. Inflow to the reservoir reached 358 m3/s, total discharge volume 0 m3/s.
In the Northwest region, Lai Chau Lake has an upstream water level of 291.64 m, 295 m lower than the normal water level. Inflow to the lake reached 724 m3/s, total discharge 0 m3/s.
Ban Chat Lake has a water level of 471.74 m, 475 m lower than the normal water level; water inflow is 58 m3/s and is not discharged. Huoi Quang Lake has a water level of 368.61 m, 370 m lower than the normal water level; water inflow is 50 m3/s, not discharged.
Son La Lake has an upstream water level of 212.59 m, which is 215 m lower than the normal water level. Water flow to the lake is 303 m3/s, total discharge is 315 m3/s, all through the plant.
At Hoa Binh reservoir, the upstream water level reached 113.78 m, 117 m lower than the normal water level. Water flow to the reservoir is 585 m3/s, total discharge is 578 m3/s, all through the plant.
Thac Ba Lake has a water level of 55.5 m, 58 m lower than the normal water level. Water flow to the lake is 210 m3/s, no discharge volume recorded.
