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Dam table [I]


Name of dam Prefecture Dam type Purpose Height FY Completed
Iburikawa Dam Kochi
G
FNW
30.5
2005
Ichifusa Dam Kumamoto
G
FNP
78.5
1959
Ichihata Tameike Hiroshima
E
A
18.5
1969
Ichihosawa Dam Hokkaido
E
A
17.4
1927
Ichijogi Dam Akita
E
A
18.5
1938
Ichiki Dam Kagoshima
R
F
41.0
1981
Ichinoide Dam Yamaguchi
E
W
21.0
1927
Ichinokayagawa Shusui Dam Gunma
G
FNW
25.0
1992
Ichinoki Dam Nara
G
A
38.4
1995
Ichinosaka Dam Yamaguchi
G
FN
42.1
1983
Ichinosawa Dam Yamagata
R
A
26.5
1998
Ichinosawa Dam Hokkaido
G
P
20.3
1926
Ichinosawa-zeki Chiba
E
A
19.0
1951
Ichinoshinden Dam Niigata
E
A
26.7
2018
Ichinotani-ike Okayama
E
A
24.7
1921
Ichinotani-ike Yamaguchi
E
A
15.0
1954
Ichinowatari Dam Aomori
G
P
15.6
1931
Ideguchigawa Dam Saga
G
FNW
43.7
2012
Iida Dam Ibaraki
G
FNW
33.0
1991
Iidegawa No.1 Dam Niigata
G
P
36.9
1915
Iidegawa No.1 Dam (Re) Niigata
G
P
39.8
2001
Iino Tameike Gifu
E
A
23.0
1959
Iinoyama Dam Hiroshima
E
P
18.5
1932
Iizume Dam Aomori
E
FNW
38.0
1973
Ijira Tameike Gifu
E
A
18.0
1966
Ikadazu Dam Kochi
G
P
25.5
1958
Ikari Dam Tochigi
G
FNP
112.0
1956
Ikata Choseichi Ehime
G
AW
29.1
1989
Ikawa Dam Shizuoka
HG
P
103.6
1957
Ikeda Dam Tokushima
G
FNAWIP
24.0
1974
Ikeda Dam (Pre) Nagasaki
E
W
25.0
1952
Ikeda Dam (Re) Nagasaki
E
W
25.0
1986
Ikehara Dam Nara
A
P
111.0
1964
Ikenotani Tameike Tottori
E
A
16.0
1923
Ikenotani-ike Ehime
E
A
16.0
1913
Ikenotani-ike Kochi
E
A
15.0
1921
Ikenoue No.1Tameike Nagasaki
E
A
15.0
1927
Iketsugawa Shusui Dam Nara
G
NP
16.8
1956
Ikimigawa Dam Yamaguchi
G
FNIP
90.0
1984
Ikiriki Dam Nagasaki
G
FNW
41.7
2007
Ikisa Dam Saga
G
FNW
58.5
1979
Ikitsuki Daiichi-ike Nagasaki
E
A
17.5
1920
Ikkatai Dam Iwate
R
A
40.0
1990
Ikumo Dam Yamaguchi
G
P
17.5
1953
Ikuno Dam Hyogo
G
FNWI
56.5
1972
Ikusaka Dam Nagano
G
P
19.5
1964
Imago-ike Shiga
E
A
18.4
1964
Imaichi Dam Tochigi
G
P
75.5
1988
Imatomi Dam Yamaguchi
G
FN
35.5
1978
Imawatari Dam Gifu
G
P
34.3
1939
Imoaraidani Dam Miyazaki
GA
P
25.5
1930
Inaba Dam Oita
G
FN
56.0
2010
Inabe-ohike Mie
E
A
15.0
1940
Inada Dam Hokkaido
E
A
17.6
1979
Inagawa Dam Nagano
G
P
43.0
1977
Inakura-ike Osaka
R
AW
32.2
1957
Inamura Dam Kochi
R
P
88.0
1982
Inekoki Dam Nagano
A
P
60.0
1968
Innai Kochi Seiri-ike Nagano
E
A
15.4
1922
Ino Dam Fukuoka
G
FNW
79.9
2000
Inohana Dam Hyogo
G
W
27.9
1933
Inohana No.2 Dam Hyogo
G
W
41.5
1978
Inugami Dam Fukushima
E
A
32.4
1971
Inukamigawa Dam Shiga
G
AP
45.0
1946
Inuki Tameike Nagasaki
E
A
15.0
1924
Inunaki Dam Fukuoka
G
FNWI
76.5
1994
Inuzuka-ike Ehime
E
A
18.5
1938
Io Dam Ishikawa
R
FA
58.8
2001
Iokigawa Dam Kochi
G
P
22.8
1954
Ippaimori Tameike Fukushima
E
A
22.0
1960
Ippodani-ike Okayama
E
A
20.4
1899
Irahara Dam Fukuoka
G
FNW
81.3
2017
Irie Dam Hyogo
G
P
23.4
1958
Irihata Dam Iwate
G
FNWIP
80.0
1990
Iriyama Dam Fukushima
E
A
18.0
1957
Iruka-ike (Re) Aichi
R
FA
25.7
1991
Isaka Dam Mie
E
I
34.5
1966
Isanoura Dam Nagasaki
G
A
29.7
1986
Isawa Dam (Re) Iwate
R
FNAWP
127.0
2013
Iseki-ike Kagawa
E
A
16.0
1982
IsenchubuDam Kagoshima
E
AW
29.0
1987
Ishiba Dam Oita
R
A
47.0
1985
Ishibane Dam Iwate
GF
P
20.5
1953
Ishibuchi Dam (Pre) Iwate
R
FAP
53.0
1953
Ishidagawa Dam Shiga
R
FN
43.5
1969
Ishigami-ike Kagawa
E
A
21.0
1963
Ishigochi-ike Oita
E
A
23.8
1965
Ishii Dam Hyogo
G
FR
66.2
2008
Ishii Dam Yamaguchi
E
AW
36.3
1992
Ishikawauchi Dam Miyazaki
G
P
47.5
2007
Ishiki Dam Nagasaki
G
FNW
55.4

Ishitegawa Dam Ehime
G
FAW
87.0
1972
Ishiuchi Dam Kumamoto
G
FNW
38.5
1992
Ishiyama Dam Oita
R
A
41.0
1981
Itado Dam Akita
G
NP
28.7
1983
Itaki Tameike Hiroshima
E
A
33.0
1983
Itamuro Dam Tochigi
G
P
16.8
1973
Itani Tameike Tottori
E
A
23.0
1911
Itoshiro Dam Fukui
GA
P
32.0
1968
Itsuwa Dam Kumamoto
R
A
37.1
1985
Itsuwatobu Dam Kumamoto
R
AW
33.3
2002
Iwachishi Dam Hokkaido
G
P
33.0
1958
Iwafune Dam Niigata
G
P
30.2
1961
Iwagami Dam Akita
E
A
23.3
1969
Iwaidani Dam Toyama
G
P
16.2
1960
Iwaigawa Dam Nara
G
FN
55.0
2008
Iwakura Dam Nagano
G
P
25.0
1936
Iwakura-ike Kochi
E
A
22.0
1967
Iwakura-ike Tokushima
E
A
18.3
1932
Iwamatsu Dam Hokkaido
G
P
37.2
1941
Iwami Dam Akita
G
FNP
66.5
1978
Iwamura Dam Gifu
G
FNW
35.8
1997
Iwamura Dam Hokkaido
E
A
17.0
1973
Iwaonai Dam Hokkaido
G
FAWIP
58.0
1970
Iwasaka Dam Ishikawa
E
FA
31.7
1984
Iwasaki Nojo Tameike Iwate
E
A
24.2
1938
Iwase Dam Miyazaki
G
FP
55.5
1967
Iwase-ike Kagawa
E
A
17.6
1967
Iwashimizu Dam Hokkaido
G
P
30.0
1959
Iwaya Dam Gifu
R
FAWIP
127.5
1976
Iwayagawauchi Dam Saga
G
FN
59.5
1973
Iwayato Dam Miyazaki
G
P
57.5
1941
Izarigawa Dam Hokkaido
R
FNW
45.5
1980
Izumidani-ike Okayama
E
A
15.2
1915
Izumikawa Dam Fukushima
E
A
17.5
1949

Notes:
1. Dam purposes are abbreviated as follows:
A: Agricultural irrigation   F: Flood control   I: Water supply for industry   N: Non-specified, river flow maintenance
P: Hydropower   R: Recreation   S: Snow melting &removing   W: Water supply

2. Dam types are abbreviated as follows:
A: Arch   B: Buttress   CSG: Trapezoidal CSG   E: Earthfill   FA: Asphalt face fill   FC: Asphalt core fill   G: Gravity
GF: Gravity concrete & fill dam (compound)   HG: Hollow gravity   MA: Multi-arch   R: Rockfill

3. The fiscal year (FY) in Japan is from April 1 to March 31 of the following year.

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