[Back] 　[Dams in Japan] Dam table ［Y］ Name of dam Prefecture Dam type Purpose Height FY Completed Yabakei Dam Oita G FNWIP 62.0 1984 Yabaragawa Dam Shimane G F 51.3 Yabetsu Dam Hokkaido G F 33.6 1975 Yabitsu Dam Iwate R F 33.5 1981 Yabugami Dam Niigata G P 23.0 1941 Yadani-ike Okayama E A 20.6 194X Yagatako-ike Fukuoka E A 19.0 1959 Yagisawa Dam Gunma A FNAWP 131.0 1967 Yahagi Dam Aichi A FNAWIP 100.0 1970 Yahagi Dam (Re) Aichi A FNAWIP 100.0 Yahagi No.2 Dam Aichi G P 38.0 1970 Yahata Choseichi Aichi R A 22.7 1986 Yahazu Dam Saga G FNWI 32.5 1993 Yaka Dam Okinawa G W 25.0 1982 Yakuwa Dam Yamagata G P 97.5 1957 Yamada Bosai Dam Gifu E F 32.3 1988 Yamada Tameike Chiba E A 16.0 1922 Yamada Dam Hyogo G AW 15.8 1968 Yamada Dam Wakayama G A 34.0 1957 Yamada Tameike Fukushima E A 20.0 1971 Yamadagawa Dam Hiroshima G FNW 32.1 2005 Yamada-ike Hyogo G A 27.3 1932 Yamada-ohike Shizuoka E A 16.0 1871 Yamagami Dam Fukuoka GF FNW 59.0 1979 Yamagashira Tameike Nagasaki E A 18.5 1914 Yamagotani-ike Mie E A 15.0 1877 Yamaguchi Bosai Dam Ishikawa R F 27.0 1970 Yamaguchi Choseichi Fukuoka R W 60.0 1998 Yamaguchi Dam Nagano G P 38.6 1957 Yamaguchi Dam Fukuoka E AW 24.0 1996 Yamaguchi Dam (Pre) Saitama E W 35.0 1934 Yamaguchi Dam (Re) Saitama E W 33.5 2002 Yamakura Dam Chiba E I 23.0 1964 Yamamoto No.2 Choseichi Niigata R P 42.4 1990 Yamamoto Tyouseiti Niigata E P 27.5 1954 Yamamura Dam Mie E I 37.0 1973 Yamanashi Dam (Upper stream) Miyagi E A 16.0 1957 Yamanoiri Dam Fukushima E A 29.5 2004 Yamanokami Tameike Nagasaki E A 20.4 1931 Yamanokami-ike Ehime E AW 17.5 1963 Yamanokuchi Dam Yamaguchi G A 40.2 1984 Yamanota Dam Nagasaki E W 24.5 1908 Yamasa Dam Shimane G FW 56.0 1980 Yamasato Dam Fukushima G P 22.5 1943 Yamasato-ohike Mie E A 22.0 1963 Yamase Dam Akita R FNWIP 62.0 1991 Yamashiro Dam Okinawa E W 29.9 1967 Yamasubaru Dam (Pre) Miyazaki G P 29.4 1931 Yamasubaru Dam (Re) Miyazaki G P 29.4 2022 Yamate Dam Okayama E AW 24.0 1984 Yamato Dam Kagoshima G FNW 45.0 2006 Yamatosaka Dam Ehime G FN 103.0 2026 Yamatsuda-ike Hiroshima E A 15.6 1929 Yamauchi Dam Chiba E A 21.6 2004 Yamurozawa Dam Fukushima G P 22.7 1936 Yanadani Dam Ehime G P 28.5 1989 Yanagawa Dam Chiba E FN 29.3 1998 Yanagawa Dam Iwate G FNWP 77.2 2021 Yanagisawa-ike Aichi E A 16.4 1991 Yanagiwara Tameike Nagasaki E A 18.0 1914 Yanaizu Dam Fukushima G P 34.0 1953 Yanase Dam Kochi R P 115.0 1970 Yanase-Dam Ehime G FAWIP 55.5 1953 Yanba Dam Gunma G FNWIP 116.0 2019 Yanbara Dam Fukui G P 23.0 1968 Yanome Dam Tochigi R A 29.0 1990 Yasaka Dam Hiroshima G FNWIP 120.0 1990 Yashikigawa Shusui Dam Gunma G FNW 16.0 1992 Yashio Dam Tochigi FA P 90.5 1992 Yashio Dam Akita E A 27.0 1963 Yashiro Dam Yamaguchi R FN 46.5 1990 Yashiro Dam Ehime E A 24.2 1975 Yashiroguchi Dam Okayama G P 16.2 1954 Yasuba Dam Kochi G P 18.0 1963 Yasugawa Dam (Pre) Shiga G A 52.7 1951 Yasugawa Dam (Re) Shiga G A 54.4 2009 Yasumuro Dam Hyogo G FNW 50.0 1991 Yasuoka Dam Nagano G P 50.0 1935 Yasutomi Dam Hyogo G FN 50.5 1985 Yato Dam Shimane G FNWIP 72.0 1976 Yatsuo Dam Toyama G P 21.0 1963 Yatsurazawa Dam Akita E A 16.5 1951 Yoake Dam Fukuoka G P 15.0 1954 Yodohara Ohtutumi Shimane E A 18.6 1998 Yofudo Dam Hyogo G FNW 54.4 2016 Yoichi Dam Hokkaido R A 36.8 1987 Yoji Dam Nagano G FNW 42.0 2004 Yokadani Dam Hiroshima R A 21.0 1963 Yokatsu Chika Dam Okinawa A 67.6 2007 Yokokawa Dam Nagano G FN 41.0 1986 Yokokawa Dam Yamagata G FNIP 72.5 2007 Yokokawa Dam Fukushima G AI 78.5 1984 Yokoo-ike Okayama E A 18.9 1944 Yokosawagawa No.2 Dam Shizuoka G P 18.5 1936 Yokotake Dam Saga G FN 57.0 2001 Yokotani Choseichii Ehime R A 31.0 1967 Yokotani Tameike Tottori E A 16.7 1952 Yokoyama Dam (Pre) Gifu HG FAP 80.8 1964 Yokoyama Dam (Re) Gifu HG FP 80.8 2010 Yokozegawa Dam Kochi G FNW 72.1 2019 Yomasari Dam Aomori G FAW 52.0 2003 Yomikaki Dam Nagano G P 32.1 1960 Yomokurou No.1 Ike Toyama E FA 24.3 1993 Yoroihata Dam Akita G FP 58.5 1957 Yoshida Dam Fukuoka R W 24.0 1983 Yoshida Dam Kagawa G FNW 74.5 1996 Yoshida Tameike Akita E A 18.0 1954 Yoshifuji-ike Ehime E A 24.2 1956 Yoshigadaira Dam Fukushima E A 22.5 1972 Yoshiikaiden Tameike Niigata E A 19.1 1930 Yoshikawa-ike Okayama E A 23.0 1930 Yoshimatsu Shin-ike Oita E A 15.4 1884 Yoshino Dam Kochi G P 26.9 1953 Yoshinodani Dam Ishikawa G P 20.5 1926 Yoshinosegawa Dam Fukui G FN 58.0 Yubara Dam Okayama G FP 73.5 1954 Yubarisyuparo Dam (Re) Hokkaido G FNAWP 110.6 2014 Yuda Dam Iwate GA FAP 89.5 1964 Yukagi Dam Oita G FN 58.5 1985 Yukawa Dam Nagano G FN 50.0 1978 Yukawachi Tameike Nagasaki E A 20.0 1914 Yukinoura Dam Nagasaki G FNW 44.0 1976 Yukiyagawa Dam Iwate G FA 28.4 1977 Yumen Dam Yamaguchi G FNW 46.0 2006 Yunishigawa Dam Tochigi G FNAWI 119.0 2012 Yuno Dam Okayama R A 20.9 1975 Yunohara Dam Yamaguchi G WI 18.5 1990 Yunosawa Dam Akita E A 17.2 1957 Yunosawa Tameike Akita E A 21.2 1930 Yunose Dam Nagano G WP 18.0 1969 Yunotani Tameike Fukuoka E A 16.3 1942 Yuragawa Dam Kyoto G P 15.2 1924 Yusuirin Dam Kagawa G FA 20.8 1943 Yutanigawa Dam Toyama R A 63.7 2000 Yuyanooku Tameike Shimane E A 18.4 1981 Yuzuruha Dam Hyogo G FN 43.9 1974 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. [Back] 　[Dams in Japan]