Dez Dam
The Dez Dam (Persian: سد دز), formerly known as Mohammad-Reza Shah Pahlavi Dam (Persian: سد محمدرضا شاه پهلوی), before 1979 Revolution, is an arch dam on the Dez River in the southwestern province of Khuzestan, Iran. It is about 23 km from Andimeshk city. It was built between 1959 and 1963 during the rule of Mohammad Reza Pahlavi,the last Shah of Iran, with contacting an Italian consortium and is owned by the Khuzestan Water & Power Authority. The dam is 203 metres (666 ft) high, making it one of the highest in the country, and has a reservoir capacity of 3,340,000,000 m3 (2,710,000 acre⋅ft). At the time of construction the Dez Dam was Iran's biggest development project. The primary purpose of the dam is hydroelectric power production and irrigation. It has an associated 520 MW power station and its reservoir helps irrigate up to 80,500 ha (199,000 acres) of farmland. US$42 million of the cost to construct the dam came from the World Bank.
| Dez Dam | |
|---|---|
Location of Dez Dam in Iran | |
| Official name | Dez (Persian: دز) |
| Country | Iran |
| Location | Khuzestan - Andimeshk |
| Coordinates | 32°36.3′N 48°27.8′E |
| Status | Operational |
| Construction began | 1959 |
| Opening date | 1963 |
| Owner(s) | Khuzestan Water & Power Authority |
| Dam and spillways | |
| Type of dam | Arch dam |
| Impounds | Dez River |
| Height | 203 m (666 ft) |
| Length | 380 m (1,247 ft) |
| Width (crest) | 27 m (89 ft) |
| Dam volume | 3460 MCM |
| Spillway capacity | 6,000 m3/s (210,000 cu ft/s) |
| Reservoir | |
| Total capacity | 3.34 km3 (2,710,000 acre⋅ft) |
| Surface area | 64.9 km2 (25.1 sq mi) |
| Power Station | |
| Commission date | 1962-1970 |
| Turbines | 8 x 65 MW |
| Installed capacity | 520 MW |
| Annual generation | 1,783 GWh |
| Website dezdam | |