Flood discharge regulation and storage of two large reservoirs in Hubei Province

People’s Daily Online, Wuhan, June 24 (Reporter Zhang Pei) It was learned from the Hubei Provincial Water Resources Department that at 8 o’clock on June 24, there were 322 reservoirs in Hubei that exceeded the flood limit water level, including 1 large reservoir, 2 medium reservoirs and 319 small reservoirs, all of which were steadily declining. Affected by heavy rainfall, Fushui and Wangying Reservoirs in Hubei Province have opened floodgates for flood discharge.

Fushui reservoir opens floodgates for flood discharge. Photo courtesy of Hubei fushui reservoir Administration Bureau

Wangying Reservoir opens the floodgate of spillway tunnel to discharge flood. Photo courtesy of Wangying Reservoir Management Bureau of Hubei Province

Since entering Mei on June 18th, heavy rainfall has occurred in southeastern Hubei, especially in the water-rich basin. From the evening of June 21st to the morning of June 23rd, the accumulated rainfall in fushui reservoir reservoir area was 233mm, and the water level of the reservoir rose rapidly. Fushui reservoir opened the four-hole gate for pre-discharge scheduling at 10: 00 on June 23rd, and opened another hole at 12: 00 and 16: 00 respectively. At 8: 00 on the 24th, it opened to 7 holes to increase the discharge flow, with the discharge flow of 1,519 cubic meters per second.

At 11 o’clock on June 23, the water level of Wangying Reservoir was 68.09 meters, and the over-controlled water level was 0.09 meters. According to the dispatching arrangement of Hubei Provincial Water Resources Department, at 14: 00 on June 23rd, Wangying Reservoir opened the Wangying flood gate to lower the reservoir water level at an initial flood discharge rate of 30 cubic meters per second, so as to prepare for the later heavy rainfall.