According to Hoa Binh Hydropower Company, at 9:00 a.m. on September 22, the water level of Hoa Binh Lake was at 116.99 m, the water flow into the lake was 3,179 m3/s, the water flow discharged downstream was 2,032 m3/s, the water level of the lake continued to increase.
Pursuant to telegram No. 7101 of the Ministry of Agriculture and Rural Development, Hoa Binh Hydropower Company announced the opening of bottom spillway gate No. 1 at 12:00 on the same day with a discharge flow downstream of 3,900m3/s.
Previously, at 11:00 a.m. on September 16, the upstream water level of the hydroelectric reservoir was at 115.41 m; downstream 11.64 m; Water flow into the reservoir was 2,436 m3/s; Water flow out was 2,090 m3/s.
