The Dahuashui Dam is an

arch dam An arch dam is a concrete dam that is curved upstream in plan. The arch dam is designed so that the force of the water against it, known as hydrostatic pressure, presses against the arch, causing the arch to straighten slightly and strengthen ...

on the

Qingshuihe River The Qingshui River is a tributary of the Wu River (Yangtze River tributary), Wu River in Guizhou Province, China. It is interrupted by the Dahuashui Dam. See also * Qingshui (disambiguation), Other Qingshuis in China and on Taiwan References

...

near Pingzhai in

Kaiyang County Kaiyang County () is a county of central Guizhou province, China. It is under the administration of Guiyang City. Transport Kaiyang railway station is the terminus of the Guiyang–Kaiyang intercity railway The Guiyang–Kaiyang intercity rail ...

Guizhou Province Guizhou (; formerly Kweichow) is a landlocked province in the southwest region of the People's Republic of China. Its capital and largest city is Guiyang, in the center of the province. Guizhou borders the autonomous region of Guangxi to the ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

. The purpose of the dam is

hydroelectric Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...

power production and flood control. The dam creates a reservoir of which supplies water to a power station containing two 200 MW generators. Construction on the dam began in December 2003 and was expected to be complete in May 2007 but a lack of funding delayed project completion until initial operation on January 20, 2008. The dam was constructed with

roller-compacted concrete Roller-compacted concrete (RCC) or rolled concrete (rollcrete) is a special blend of concrete that has essentially the same ingredients as conventional concrete but in different ratios, and increasingly with partial substitution of fly ash for Po ...

References

{{Reflist Hydroelectric power stations in Guizhou Dams in China Arch dams Dams completed in 2008 Roller-compacted concrete dams