Dam in Okinawa Prefecture

3340-Kannawaki Dam

2.5
3340-Kannawaki Dam Dam in Okinawa Prefecture
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Location: Aza-Hanna, Ginoza-mura, Kunigami-gun, Okinawa Prefecture (Date of interview: 2010/05/19)

View of the levee downstream from the Okinawa Expressway (Part 1)

View of the levee downstream from the Okinawa Expressway (Part 1)

Even though I knew that no one would be satisfied if I uploaded this kind of thing, I wanted to upload it as a proof that I had seen it....

Now, as the name suggests, the Hanna Waki Dam is a dam on the side of the Hanna Dam. I was really aiming for the main body of the Hanna Dam, but when I came across it, I saw the Waki Dam....

View of the levee downstream from the Okinawa Expressway (Part 2)

View of the levee downstream from the Okinawa Expressway (Part 2)

As the name suggests, this dam plays a minor role, but it is a magnificent dam with an embankment height of 37 m, a crest length of 500 m, and a rock-fill dam type.

View of the levee downstream from the Okinawa Expressway (Part 3)

View of the levee downstream from the Okinawa Expressway (Part 3)

The top of the embankment is exactly 500m long, so it can be used as a guide for the distance between cars when driving on the Okinawa Expressway... (I hope it will be).

View of the levee downstream from the Okinawa Expressway (Part 4)

View of the levee downstream from the Okinawa Expressway (Part 4)

The polarizing film on the bus made it look blue, and the shaking of the bus made it look askew, and the fact that we were in opposite lanes made the photo look confusing.

dam characteristics

River NameHanna Fukuchi River system Hanna Fukuchi River
ObjectiveFlood control, agricultural disaster prevention, unspecified water, river maintenance water, irrigation water, water supply water
Modelrockfill dam
Bank height37m
Bank length500m
Dam volume991,000m3
Watershed Area7.6 km2
Reservoir area55ha
Total storage capacity8,200,000m3
Effective water storage capacity7,800,000m3
Dam operatorDevelopment and Construction Department, Okinawa General Bureau
Main body constructorObayashi, Konoike, Nakadori
Year of launch1978
Year Completed1993

Other facilities/observations

Parking lotNot enough. Not enough at all.
I'm sure I'll get my revenge someday.
Toilet
Park
PR Exhibition Hall×
Fishing?

Accommodations that may be close to Hannawaki Dam

This article was written by.
Shin Jinma

Dam enthusiast who loves Momosuke Fukuzawa / Dampedia and Dam News administrator / Certified Dammeister (01-018) by the Japan Dam Foundation / Started selling discharge caution goods.https://shop.dampedia.com

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