Okutama lake
| Okutama lake | |||||
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| Coordinates | 35 ° 46 ′ 51 ″ N , 139 ° 2 ′ 20 ″ E | ||||
| Data on the structure | |||||
| Construction time: | - 1957 | ||||
| Height of the barrier structure : | 149 m | ||||
| Height above the river bed : | 142 m | ||||
| Crown length: | 353 m | ||||
| Data on the reservoir | |||||
| Altitude (at congestion destination ) | 526.5 m | ||||
| Water surface | 4.25 km² | ||||
| Storage space | 185,400,000 m³ | ||||
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The Okutama Lake ( Japanese 奥多摩 湖 , Okutama-ko ) is a reservoir in the prefectures of Tokyo and Yamanashi in Japan . Since it lies behind the Ogochi Dam, it is also known as the Ogochi Reservoir . The lake is an important drinking water reservoir for Tokyo Prefecture.
The Tama River flows into the lake at the western end, and the Kosuge flows into the lake from the southwest. The lake is drained by the Tama at the east end. It has a circumference of 45.37 km.
The lake covers part of the area of Okutama Township in Nishitama County and Tabayama Village in Kitatsuru County . For the construction of the reservoir, 6,000 people in 945 households had to be relocated. 87 people died during construction.
The area is famous for the cherry blossom in spring.
The power generation at the Ogochi Reservoir ("Tamagawa No. 1 Power Plant") is part of the Tokyo Prefecture Department of Transportation . The power plant has a maximum output of 19 MW. The Tokyo Prefecture Water Authority is responsible for the Ogōchi Dam as a whole and the water supply function.
Web links
- Tokyo Prefecture Water Authority : Current amount of water in the reservoirs at Tonegawa, Arakawa and Tamagawa ; Ogochi Dam (Japanese)
Individual evidence
- ↑ Tokyo Prefecture Transportation Office: 多摩川 第一 発 電 所 (Tamagawa daiichi hatsudensho)