Close-up of the dirt islands when Hoa Binh Hydropower Reservoir is drained

Minh Nguyễn |

The water level in the Hoa Binh Hydropower Reservoir has dropped sharply, causing many areas that were previously flooded to now become bare stretches of land, exposing unique small islands.

Nhung ngay cuoi thang 3.2025, phong vien Bao Lao Dong co mat tai xa Suoi Hoa, huyen Tan Lac - noi thuoc khu vuc long ho Thuy dien Hoa Binh. Theo ghi nhan, muc nuoc phia tren long ho da xuong thap hon so voi thoi diem thuy dien xa lu (thang 7, 8, 9 nam 2024).
In late March 2025, Lao Dong Newspaper reporters were present in Suoi Hoa commune, Tan Lac district - which is located in the Hoa Binh Hydropower Reservoir area. According to records, the water level above the reservoir has dropped lower than when the hydropower plant released floodwaters (July, August, September 2024).
Quan sat bang mat thuong cho thay, nuoc xuong thap de lo nhieu vach nui da, con dat giua long ho.
Observation with the naked eye shows that the water level has dropped, revealing many cliffs, rocks, and sedges in the middle of the lake.
Chi Bui Thi Loan (45 tuoi), chu thuyen du lich tai xa Suoi Hoa, huyen Tan Lac, cho biet: “Hien tai, muc nuoc long ho Hoa Binh vao khoang hon 30 m. Hau nhu nam nao cung vay, cu den thoi diem nay, nuoc lai rut xuong, de lo vach da va cac con dat“.
Ms. Bui Thi Loan (45 years old), a tourist boat owner in Suoi Hoa commune, Tan Lac district, said: "Currently, the water level of Hoa Binh lake is about 30 m. Almost every year, at this time, the water recedes, revealing the cliffs and dirt joints".
Con anh Bui Van Nam (tru huyen Tan Lac) cho rang day la viec binh thuong vi vao mua kho, troi khong mua nen khong co nuoc do ve, cung voi viec thuy dien van hanh cac to may, dan den muc nuoc tren ho giam sau. Viec nuoc xuong thap chua anh huong den hoat dong danh bat, nuoi trong thuy san vi nuoc len xuong rat cham.
Mr. Bui Van Nam (residing in Tan Lac district) said that this is normal because in the dry season, when it is not raining, there is no water pouring in, along with the operation of hydropower plants, leading to a sharp decrease in the water level in the lake. The low water level has not affected fishing and aquaculture activities because the water rises and falls very slowly.
Nhung con dat hiem thay tai khu vuc long ho Hoa Binh.
Rare earthworms in the Hoa Binh reservoir area.
Mot be nuoi ca cua nguoi dan tren vung ho Hoa Binh.
A fish raft of local people on Hoa Binh lake.
Theo Thuy dien Hoa Binh, muc nuoc long ho Thuy dien Hoa Binh tren 102 m (muc nuoc chet la 80 m), va co xu huong tiep tuc xuong.
According to Hoa Binh Hydropower Plant, the water level of Hoa Binh Hydropower Plant is above 102 m (dead water level is 80 m), and tends to continue to decrease. Previously, the water level of Hoa Binh Hydropower Reservoir in mid-March was more than 110 m.
Vao thang 9.2024, Thuy dien Hoa Binh mo lien tiep 3 cua xa lu (luc 12h, 13h va 15h ngay 22.9). Thoi diem nay, co luc muc nuoc ho Hoa Binh o muc 117m (muc nuoc chet 80m), luu luong nuoc ve ho 3.179m3/s, luu luong nuoc xa ve ha luu 2.032m3/s.
In September 2024, Hoa Binh Hydropower Plant opened 3 floodgates consecutively (at 12:00, 13:00 and 15:00 on September 22). At this time, the water level of Hoa Binh Lake is sometimes at 117m (dead water level 80m), the water flow to the lake is 3,179m3/s, the water flow released downstream is 2,032m3/s.
Video recorded by PV at Hoa Binh Hydropower Reservoir.
Minh Nguyễn
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