Kinjo Dam

Kinjo Dam
Country	Japan
Location	Naha, Okinawa
Coordinates	26°12′44″N 127°43′03″E / 26.21222°N 127.71750°ECoordinates: 26°12′44″N 127°43′03″E / 26.21222°N 127.71750°E
Status	Operational
Construction began	1989
Opening date	2000
Dam and spillways
Type of dam	Concrete gravity
Height	19 m (62 ft)
Length	120 m (394 ft)
Elevation at crest	52 m (171 ft)
Dam volume	14,250 m^3 (18,638 cu yd)
Spillways	5-openings
Spillway type	Service, uncontrolled overflow
Reservoir
Total capacity	510,000 m^3 (413 acre·ft)
Active capacity	470,000 m^3 (381 acre·ft)
Catchment area	1.7 km^2 (1 sq mi)
Surface area	400 m^2 (4,306 sq ft)[1]

The Kinjo Dam (金城ダム Kinjō Damu) is a concrete gravity dam on the Li River in Naha, Okinawa Prefecture, Japan. It is designated as a cultural property and is located 500 m (1,640 ft) south of Shuri Castle.^[2] Construction on the dam began in 1989 and it was completed in 2000.^[3] Its main purpose is flood control and on average, it can control an intake of 40 m³/s (1,413 cu ft/s); releasing 23 m³/s (812 cu ft/s). The 19 m (62 ft) tall and 120 m (394 ft) long dam was constructed on fragile rock and is set on a deep concrete staircase foundation.^[1]

References

1. "Dam Design" (in Japanese). Okinawa Dam. Retrieved 26 July 2011.
2. "Location and Cultural Heritage" (in Japanese). Okinawa Dam. Retrieved 26 July 2011.
3. "Kinjo Dam Overview" (in Japanese). Okinawa Dam. Retrieved 26 July 2011.