Name | Location | Started | Opened | Height | Length | Image | |
Aibetsu Dam | 43°57′14″N 142°37′58″E[1] | | | 39 m (128 ft)[2] | | | 0131 |
Ainumanai Dam | 42°6′2″N 140°8′2″E[1] | | 1930 | 25.3 m (83 ft) | 90.9 m (298 ft) | | 0031 |
Aoyama Dam | 43°28′39″N 141°35′40″E[1] | 1951 | 1962 | 35.5 m (116 ft) | 239.5 m (786 ft) | | 0064 |
Apporo Dam | 42°45′59″N 141°59′37″E | 1986 | 2018 | 47.2 m (155 ft) | 516 m (1,693 ft) | | 2974 |
Ariake Dam | 44°24′4″N 141°51′3″E[1] | 1967 | 1971 | 21.7 m (71 ft) | 250 m (820 ft) | | 0083 |
Asahi No.1 Dam | 43°4′13″N 141°57′51″E[1] | | 1941 | 21.5 m (71 ft) | 115 m (377 ft) | | 0037 |
Asahimachi No.2 Dam | 43°4′29″N 141°57′37″E[1] | | 1970 | 19.6 m (64 ft) | 122 m (400 ft) | | 0080 |
Asari Dam | 43°7′59″N 141°2′29″E | 1993 | 1993 | 73.9 m (242 ft) | | | 0157 |
Ashibetsu Dam | 43°17′4″N 142°5′58″E[1] | | 1952 | 16.5 m (54 ft) | | | 0042 |
Azuma Dam | 42°47′43″N 142°2′12″E | 1959 | 1970 | 38.2 m (125 ft) | 222 m (728 ft) | | 0079 |
Bibai Dam | 43°21′16″N 141°58′46″E | 1982 | 1982 | 35.5 m (116 ft) | | | 0108 |
Biraotori Dam | 42°40′49″N 142°23′10″E | 1973 | 2021 | 55 m (180 ft) | 350 m (1,150 ft) | | 0148 |
Bisei Dam | 42°48′22″N 142°51′8″E | 1975 | 1999 | 47.2 m (155 ft) | 350 m (1,150 ft) | | 0137 |
Butoku Dam | 44°12′24″N 142°28′43″E | | 1929 | 21.5 m (71 ft) | 358 m (1,175 ft) | | 0024 |
Chitose Dam | 42°47′47″N 141°30′20″E | 1916 | 1918 | 23.6 m (77 ft) | 119.4 m (392 ft) | | 0004 |
Chitose No.4 Dam | 42°48′15″N 141°33′21″E | | 1919 | 21.9 m (72 ft) | 102.4 m (336 ft) | | 0005 |
Chiyodani Dam | 43°8′16″N 141°50′36″E | | 1923 | 17.9 m (59 ft) | 165 m (541 ft) | | 0013 |
Chubetsu Dam | 43°37′38″N 142°37′46″E | 11 Mar 2007 | 2006 | 86 m (282 ft) | | | 0134 |
Chureppu Dam | 44°16′59″N 142°31′4″E | 1926 | 1930 | 18.5 m (61 ft) | 310 m (1,020 ft) | | 3351 |
Chuwa Dam | 43°58′52″N 142°22′41″E | | 1924 | 23 m (75 ft) | 248 m (814 ft) | | 0008 |
Ebeotsu No.1 Dam | 43°36′59″N 141°59′19″E | 1972 | 1977 | 18.5 m (61 ft) | 206.5 m (677 ft) | | 3362 |
Ehoro Dam | 43°29′32″N 142°25′1″E | | 1932 | 19.9 m (65 ft) | 146 m (479 ft) | | 0027 |
Erumu Dam | 43°36′31″N 142°4′55″E[1] | 1974 | 1997 | 53.7 m (176 ft) | 258 m (846 ft) | | 0133 |
Etaibetsu Dam | 43°44′38″N 141°43′10″E[1] | 1953 | 1967 | 35.5 m (116 ft) | 173 m (568 ft) | | 0070 |
Etanbetsu Dam | 43°55′19″N 142°15′41″E[1] | 1965 | 1974 | 17.4 m (57 ft) | 220 m (720 ft) | | 3363 |
Fujisawa Dam | 43°50′43″N 141°54′30″E | | 1923 | 17.5 m (57 ft) | 95 m (312 ft) | | 0009 |
Fukuidanikawa Dam | 43°37′3″N 141°50′8″E | | 1925 | 20.2 m (66 ft) | 134 m (440 ft) | | 0010 |
Furukawa Dam | 43°50′0″N 142°49′11″E | 1928 | 1929 | 23.9 m (78 ft) | 156.4 m (513 ft) | | 0028 |
Furuume Dam | 43°41′55″N 144°13′34″E | 1972 | 1996 | 48 m (157 ft) | 215.9 m (708 ft) | | 0122 |
Futaba Dam | 42°54′40″N 140°56′8″E[1] | 1966 | 1987 | 61.4 m (201 ft) | 247.9 m (813 ft) | | 0102 |
Futakawa Dam | 42°25′5″N 142°32′47″E | 1976 | 1979 | 30.5 m (100 ft) | 110 m (360 ft) | | 0099 |
Fuuen Dam | 44°13′19″N 142°33′45″E[1] | | 1986 | 33.6 m (110 ft) | 294 m (965 ft) | | 0097 |
Goryo Dam | 44°14′33″N 142°30′1″E[1] | | 1986 | 23.9 m (78 ft) | 606 m (1,988 ft) | | 0146 |
Haboro Dam | 44°20′37″N 141°55′37″E[1] | 1959 | 1966 | 27.8 m (91 ft) | 108.4 m (356 ft) | | 0072 |
Haboro-futamata Dam | 44°18′11″N 141°56′35″E[1] | 1967 | 1978 | 33.6 m (110 ft) | 125 m (410 ft) | | 0096 |
Hae Dam | 42°31′42″N 142°12′23″E[1] | | | | | | |
Higashinosawa Dam | 42°28′29″N 142°46′29″E[1] | 1982 | 1987 | 70 m (230 ft) | 140 m (460 ft) | | 0178 |
Higashisakuraoka No.1 Dam | 43°46′43″N 142°31′11″E | 1912 | 1913 | 17.4 m (57 ft) | 292 m (958 ft) | | 3364 |
Hinode Dam | 43°28′51″N 142°29′35″E[1] | 1970 | 1982 | 26.8 m (88 ft) | 153 m (502 ft) | | 0116 |
Hobetsu Dam | 42°53′5″N 142°10′47″E[1] | 1970 | 1985 | 38.2 m (125 ft) | 283.2 m (929 ft) | | 0114 |
Hoheikyo Dam | 42°54′57″N 141°9′13″E | 1972 | 1972 | 102.5 m (336 ft) | | | 0087 |
Hokushin Dam | 45°18′58″N 141°53′40″E[1] | 1976 | 1980 | 32 m (105 ft) | 180 m (590 ft) | | 0110 |
Horobetsu Dam | 42°25′18″N 141°4′49″E[1] | 17 Apr 1968 | | 22.5 m (74 ft)[2] | | | 0074 |
Horoka Dam | 43°25′49″N 143°7′54″E[1] | | 1965 | 32 m (105 ft) | 135.5 m (445 ft) | | 0067 |
Horomangawa No.3 Dam | 42°7′30″N 143°4′11″E[1] | 1952 | 1954 | 42.5 m (139 ft) | 186.3 m (611 ft) | | 0044 |
Horomui Dam | 43°9′51″N 141°56′13″E[1] | 1971 | 1990 | 44.4 m (146 ft) | 430 m (1,410 ft) | | 0120 |
Horonai Dam | 44°38′28″N 142°50′2″E[1] | | | | | | |
Horoshin Dam | 43°53′12″N 141°55′50″E[1] | 1965 | 1975 | 27 m (89 ft) | 283.1 m (929 ft) | | 0092 |
Ichihosawa Dam | 43°7′37″N 141°49′52″E | 1924 | 1927 | 17.4 m (57 ft) | 86 m (282 ft) | | 3356 |
Inada Dam | 43°38′42″N 142°0′35″E[1] | | 1979 | 17.6 m (58 ft) | 220 m (720 ft) | | 0026 |
Iwachishi Dam | 42°47′48″N 142°23′48″E[1] | 1956 | 1958 | 33 m (108 ft) | 92.2 m (302 ft) | | 0051 |
Iwamatsu Dam | 43°11′49″N 142°56′11″E | 1939 | 1941 | 37.2 m (122 ft) | | | 0038 |
Iwamura Dam | 43°47′10″N 141°50′16″E[1] | 1968 | 1973 | 17 m (56 ft) | 146.5 m (481 ft) | | 3360 |
Iwaonai Dam | 44°6′55″N 142°42′28″E | | | 58 m (190 ft)[2] | | | 0081 |
Iwashimizu Dam | 42°32′37″N 142°32′13″E[1] | | 1959 | 30 m (98 ft) | 124.2 m (407 ft) | | 0053 |
Izarigawa Dam | 42°50′44″N 141°26′54″E | 1971 | 1980 | 45.5 m (149 ft) | | | 0100 |
Jōzankei Dam | 42°59′6″N 141°9′26″E[1] | 1989 | 1989 | 118 m (387 ft) | | | 0124 |
Kakkomi Dam | 43°14′0″N 143°28′44″E[1] | 1953 | 1955 | 34 m (112 ft) | 185 m (607 ft) | | 0046 |
Kamiiso Dam | 41°52′1″N 140°35′55″E[1] | 1971 | 1990 | 32 m (105 ft) | 408 m (1,339 ft) | | 0107 |
Kamiiwamatsu Dam | 43°20′5″N 142°56′34″E[1] | | | | | | |
Kamikogawa Dam | 44°15′17″N 141°50′47″E[1] | 1974 | 2003 | 33.2 m (109 ft) | 187.3 m (615 ft) | | 0127 |
Kaminokuni Dam | 41°48′9″N 140°11′5″E[1] | 1985 | 2002 | 51.3 m (168 ft) | 247.9 m (813 ft) | | 2930 |
Kamiyunai Dam | 43°47′46″N 142°9′9″E[1] | 1950 | 1956 | 15.5 m (51 ft) | 108.5 m (356 ft) | | 0048 |
Kamui Dam | 43°36′9″N 142°20′38″E[1] | 1976 | 1997 | 40.4 m (133 ft) | 143.2 m (470 ft) | | 0139 |
Kanayama Dam | 43°7′47″N 142°26′35″E | 1959 | 1967 | 57.3 m (188 ft) | | | 0073 |
Kanoko Dam | 43°36′26″N 143°23′16″E | 1972 | 1983 | 55.5 m (182 ft) | | | 0115 |
Katsurazawa Dam | 43°14′23″N 142°0′9″E | 1947 | 1957 | 63.6 m (209 ft) | | | 0049 |
Kawabata Dam | 42°54′41″N 141°54′57″E[1] | 1954[3] | 1962[3] | 21.4 m (70 ft)[3] | 280 m (920 ft)[3] | | 0060 |
Kinausu Dam | 43°3′17″N 141°51′57″E | 1989 | 2009 | 27.2 m (89 ft) | 177 m (581 ft) | | |
Kitasen Dam | 44°15′59″N 142°12′59″E | | 1967 | 18.3 m (60 ft) | 74 m (243 ft) | | 0075 |
Kimun Dam | 43°17′45″N 142°5′43″E[1] | | | | | | |
Komagatake Dam | 42°3′47″N 140°30′12″E[1] | 1970 | 1984 | 43.6 m (143 ft) | 72 m (236 ft) | | 0103 |
Koshi Dam | 44°3′16″N 142°39′0″E | 1934 | 1937 | 16.3 m (53 ft) | 180 m (590 ft) | | 3353 |
Kukkari Dam | 43°50′0″N 142°7′5″E[1] | | | | | | |
Kuobetsu Dam | 42°53′34″N 141°56′17″E | | 1925 | 21.3 m (70 ft) | 124 m (407 ft) | | 0020 |
Kuriyama Dam | 43°4′31″N 141°51′20″E | 1983 | 1994 | 31.9 m (105 ft)[2] | | | 0152 |
Kuttari Dam | 43°8′55″N 142°54′30″E[1] | 1983 | 1988 | 27.5 m (90 ft) | 220.1 m (722 ft) | | 2912 |
Kyoei Dam | 43°47′33″N 143°58′29″E[1] | 1963 | 1965 | 18.6 m (61 ft) | 88 m (289 ft) | | 3354 |
Kyogoku Dam | 42°55′56″N 140°58′15″E | 1999 | 2014 | 54 m (177 ft) | 332.5 m (1,091 ft) | | 3307 |
Kyowa Dam | 43°2′9″N 140°36′54″E[1] | 1978 | 1995 | 56 m (184 ft) | 334 m (1,096 ft) | | 0161 |
Maedanosawa Dam | 43°13′9″N 141°51′38″E | | 1927 | 16.5 m (54 ft) | 95 m (312 ft) | | 3386 |
Makinouchi Dam | 43°21′29″N 145°38′20″E | 1978 | 1980 | 18.5 m (61 ft) | 105 m (344 ft) | | 0170 |
Makomanai Dam | 42°28′56″N 139°54′35″E[1] | 1965 | 1986 | 34.3 m (113 ft) | 234.6 m (770 ft) | | 0105 |
Makubetsu Dam | 42°52′26″N 143°16′43″E[1] | 1978 | 2004 | 26.9 m (88 ft) | 335 m (1,099 ft) | | 0150 |
Maruyama Dam | 43°26′35″N 142°13′54″E[1] | | | | | | |
Midori Dam | 43°40′14″N 144°37′47″E[1] | 1974 | 2003 | 73 m (240 ft) | 345 m (1,132 ft) | | 0176 |
Mikasabonbetsu Dam | 43°16′41″N 141°59′11″E | 1985 | 2023 | 53 m (174 ft) | 160 m (520 ft) | | 2929 |
Mitsuishi Dam | 42°22′52″N 142°41′44″E[1] | 1970 | 1991 | 35 m (115 ft) | 240 m (790 ft) | | 0104 |
Mizuho Dam | 42°50′26″N 141°53′49″E[1] | 1982 | 1998 | 25.9 m (85 ft) | 427.1 m (1,401 ft) | | 0164 |
Mizusawa Dam | 43°33′10″N 142°29′19″E[1] | | | | | | |
Moheizawa No.2 Dam | 43°16′13″N 141°33′20″E | | 1985 | 19.8 m (65 ft) | 137.6 m (451 ft) | | 0016 |
Monbetsu Dam | 42°32′49″N 142°12′16″E[1] | | 1971 | 20.8 m (68 ft) | 117 m (384 ft) | | 0085 |
Morai Dam | 43°21′14″N 141°29′51″E[1] | 1977 | 1996 | 29.6 m (97 ft) | 238.5 m (782 ft) | | 0141 |
Motogoya Dam | 43°20′44″N 143°16′2″E[1] | | 1960 | 32 m (105 ft) | 86 m (282 ft) | | 0056 |
Muri Dam | 43°56′30″N 143°20′22″E[1] | | 1980 | 15.5 m (51 ft)[2] | | | 0101 |
Nakahoro Dam | 43°55′37″N 141°45′17″E[1] | 1971 | 1990 | 25.8 m (85 ft) | 123 m (404 ft) | | 0106 |
Nakano Dam | 41°52′14″N 140°47′9″E[1] | 1956 | 1960 | 53 m (174 ft) | 162 m (531 ft) | | 3619 |
Nakano Sabo Dam | 41°45′6″N 140°24′4″E[1] | | | | | | |
Nakanosawa Dam | 44°12′44″N 142°18′27″E | | 1937 | 15.2 m (50 ft) | 180 m (590 ft) | | 0033 |
Nanbuzaka Dam | 41°51′9″N 140°35′40″E[1] | 1986 | 2009 | 26.1 m (86 ft) | 299 m (981 ft) | | 2948 |
Nibutani Dam | 42°37′44″N 142°8′56″E[1] | Oct 1997 | Apr 1998 | 32 m (105 ft) | | | 0149 |
Nigorikawa Dam | 42°6′2″N 140°27′2″E[1] | 1975 | 2005 | 42 m (138 ft) | 219 m (719 ft) | | 0135 |
Niikappu Dam | 42°36′23″N 142°33′25″E[1] | 1970 | 1974 | 102.8 m (337 ft) | 326 m (1,070 ft) | | 0088 |
Ninosawa Dam | 43°7′26″N 141°50′48″E | 1923 | 1925 | 18.4 m (60 ft) | 125.1 m (410 ft) | | 3355 |
Nishioka Dam | 44°4′3″N 142°17′53″E | 1993 | 2009 | 31 m (102 ft) | 247 m (810 ft) | | 3196 |
Nishisatsunai Dam | 42°38′27″N 143°4′13″E | 1979 | 1994 | 21 m (69 ft) | 184 m (604 ft) | | 0160 |
Nisshin Dam | 43°29′23″N 142°31′8″E[1] | | 1973 | 29.5 m (97 ft) | 230.3 m (756 ft) | | 0084 |
Nisshin-Ko Dam | 43°31′15″N 141°48′23″E | | 1924 | 26.5 m (87 ft) | 213.5 m (700 ft) | | 0007 |
Nokanan Dam | 43°29′18″N 142°13′8″E[1] | 1969 | 1978 | 41.5 m (136 ft) | 312.5 m (1,025 ft) | | 0082 |
Nukabira Dam | 43°22′23″N 143°13′16″E | 1953 | 1956 | 76 m (249 ft) | 293 m (961 ft) | | 0047 |
Nukanan Dam | 43°23′32″N 143°19′43″E[1] | | 1960 | 18.6 m (61 ft) | 312.5 m (1,025 ft) | | 0055 |
Numanosawa Dam | 43°49′4″N 141°49′34″E[1] | | | | | | |
Numata Dam | 43°54′39″N 141°55′35″E[1] | 1972 | 1991 | 44.9 m (147 ft) | 395 m (1,296 ft) | | 0130 |
Nuppanosawa Dam | 43°15′48″N 141°53′13″E | 1931 | 1933 | 22.7 m (74 ft) | 190 m (620 ft) | | 3358 |
Obira Dam | 44°3′53″N 141°54′21″E[1] | 1972 | 1992 | 42.4 m (139 ft) | 475 m (1,558 ft) | | 0132 |
Ochiai Dam | 43°5′29″N 140°53′47″E[1] | 1987 | 2001 | 35.3 m (116 ft) | 199.5 m (655 ft) | | 2969 |
Ohno Dam | 41°57′28″N 140°30′46″E[1] | 1990 | 2002 | 47.5 m (156 ft) | 160 m (520 ft) | | 3064 |
Ohsawa Dam | 43°48′14″N 142°38′27″E[1] | 1974 | 2002 | 28.9 m (95 ft) | 318 m (1,043 ft) | | 0136 |
Otodo Dam | 44°5′28″N 141°43′33″E[1] | 1983 | 2003 | 34 m (112 ft) | 124 m (407 ft) | | 0179 |
Oyubari Dam | 43°1′29″N 142°6′5″E[1] | 1954 | 1962 | 67.5 m (221 ft) | | | 0054 |
Okinai Dam | 43°58′37″N 141°46′9″E[1] | 1976 | 1995 | 29.6 m (97 ft) | 157 m (515 ft) | | 0140 |
Okuniikappu Dam | 42°40′27″N 142°40′40″E[1] | 1958 | 1963 | 61.2 m (201 ft) | 110 m (360 ft) | | 0062 |
Okusaru Dam | 42°55′35″N 142°40′12″E[1] | 1990 | 1994 | 30 m (98 ft) | 105.5 m (346 ft) | | 3105 |
Okusawa Dam | | 1914 | | | | | |
Omu Dam | 44°28′51″N 142°53′5″E[1] | 1989 | 2009 | 53.6 m (176 ft) | 234 m (768 ft) | | 0165 |
Onnebetsu Dam | 44°5′33″N 142°13′19″E[1] | | 1985 | 33.7 m (111 ft) | 178 m (584 ft) | | 0123 |
Ononosawa Dam | 43°13′35″N 141°51′35″E | | 1931 | 16.8 m (55 ft) | 150 m (490 ft) | | 3385 |
Oshirarika Dam | 43°40′13″N 141°46′27″E[1] | 1953 | 1966 | 31.8 m (104 ft) | 233 m (764 ft) | | 0065 |
Ososhu Dam | 43°15′14″N 143°0′38″E[1] | | | | | | |
Otofuketosui Dam | 43°29′16″N 143°8′44″E[1] | | | | | | |
Ozawa Dam | 43°49′37″N 142°37′51″E[1] | 1973 | 1994 | 25.4 m (83 ft) | 300 m (980 ft) | | 0118 |
Peepan Dam | 43°42′52″N 142°39′55″E[1] | 1973 | 1997 | 49.2 m (161 ft) | 312.5 m (1,025 ft) | | 0129 |
Pirika Dam | 42°28′18″N 140°11′47″E | 1991 | 1991 | 40 m (130 ft) | | | 0151 |
Ponteshio Dam | 43°58′42″N 142°45′12″E[1] | 1979 | 1983 | 22.3 m (73 ft) | 126.2 m (414 ft) | | 0172 |
Rumoi Dam | 43°50′2″N 141°45′41″E | 1984 | 2009 | 41.2 m (135 ft) | 440 m (1,440 ft) | | 0181 |
Sahoro Dam | 43°10′13″N 142°50′17″E | 1970 | 1984 | 46.6 m (153 ft) | 255 m (837 ft) | | 0111 |
Sakasagawa Dam | 41°56′53″N 140°9′56″E[1] | | | | | | |
Samuni Dam | 42°11′7″N 142°57′32″E[1] | 1968 | 1975 | 44 m (144 ft) | 140 m (460 ft) | | 0091 |
Sankei Dam | 44°11′4″N 141°46′58″E | | 1960 | 17 m (56 ft) | 77 m (253 ft) | | 0052 |
Sannosawa No.1 Dam | 43°10′26″N 141°50′30″E | | 1924 | 20 m (66 ft) | 168 m (551 ft) | | 0015 |
Sannosawa No.2 Dam | 43°10′44″N 141°50′1″E | 1953 | 1954 | 16 m (52 ft) | 132.5 m (435 ft) | | 3357 |
Sanru Dam | 44°19′50″N 142°38′15″E | 1988 | 2018 | 46 m (151 ft) | 350 m (1,150 ft) | | 2995 |
Sasanagare Dam | 41°50′6″N 140°46′24″E[1] | | 1923 | 25.3 m (83 ft) | 199.3 m (654 ft) | | 0014 |
Satsunaigawa Dam | 42°35′18″N 142°55′22″E[1] | 1981 | 1998 | 114 m (374 ft) | 300 m (980 ft) | | 0173 |
Seidai Dam | 43°36′43″N 142°31′27″E | | 1937 | 29.7 m (97 ft) | 485.4 m (1,593 ft) | | 0035 |
Seiwa Dam | 44°0′11″N 142°17′13″E | 1924 | 1926 | 15.8 m (52 ft) | 255 m (837 ft) | | 3352 |
Senbiri Dam | 43°12′8″N 143°34′50″E[1] | | | | | | |
Shimizunosawa Dam | 43°0′25″N 141°59′25″E[1] | 1980 | 1984 | 25.1 m (82 ft) | 96 m (315 ft) | | 3298 |
Shimizusawa Dam | 43°0′6″N 142°1′15″E[1] | | 1940 | 25.4 m (83 ft) | 91.8 m (301 ft) | | 0036 |
Shimohorokanai Dam | 43°55′54″N 142°8′36″E[1] | | 1970 | 20.7 m (68 ft) | 184 m (604 ft) | | 0029 |
Shimoniikappu Dam | 42°34′0″N 142°32′9″E[1] | 1967 | 1969 | 46 m (151 ft) | 131 m (430 ft) | | 0077 |
Shinkukaku Dam | 43°36′2″N 142°30′46″E[1] | | 1970 | 32.3 m (106 ft) | 274.7 m (901 ft) | | 0078 |
Shinnakano Dam | 41°52′13″N 140°47′9″E | 1971 | 1984 | 74.9 m (246 ft) | 248 m (814 ft) | | 0113 |
Shintotsugawa Dam | 43°35′7″N 141°43′39″E[1] | 1952 | 1959 | 29.2 m (96 ft) | 95.3 m (313 ft) | | 0058 |
Shirakizawa Dam | 43°52′17″N 142°0′59″E | 1963 | 1968 | 23.7 m (78 ft) | 114.9 m (377 ft) | | 3361 |
Shiriuchi Dam | 41°36′46″N 140°18′3″E[1] | 1980 | 1993 | 40.5 m (133 ft) | 321 m (1,053 ft) | | 0168 |
Shirogane Dam | 43°29′27″N 142°35′56″E[1] | | 2002 | 63.5 m (208 ft) | 611 m (2,005 ft) | | 0109 |
Shizunai Dam | 42°24′50″N 142°34′0″E[1] | 1959 | 1966 | 66 m (217 ft) | 207.5 m (681 ft) | | 0071 |
Shodusawa Dam | 43°45′6″N 141°47′30″E[1] | | | | | | |
Shoro Dam | 43°10′29″N 143°58′56″E | | | 48.9 m (160 ft)[2] | | | 0138 |
Soshubetsu Dam | 42°57′11″N 142°32′42″E[1] | 1958 | 1961 | 29 m (95 ft) | 83 m (272 ft) | | 0059 |
Shunbetsu Dam | 42°32′48″N 142°35′31″E[1] | 1960 | 1963 | 27 m (89 ft) | 90 m (300 ft) | | 0063 |
Taisetsu Dam | 43°40′35″N 143°2′11″E[1] | 1965 | 1975 | 86.5 m (284 ft) | 440 m (1,440 ft) | | 0089 |
Taisetsu Dam | 43°40′35″N 143°2′11″E[1] | 1965 | 1975 | 86.5 m (284 ft) | 440 m (1,440 ft) | | 0089 |
Taisho-ike Dam | 43°10′52″N 141°46′54″E | | 1914 | 15.9 m (52 ft) | 232 m (761 ft) | | 0001 |
Takadomari Dam | 43°55′27″N 142°4′51″E[1] | 1949 | 1953 | 37 m (121 ft) | 170.5 m (559 ft) | | 0043 |
Takami Dam | 42°27′28″N 142°38′17″E | | 1983 | 120 m (390 ft) | | | 0117 |
Takara-ike Dam | 43°11′22″N 141°50′3″E | | 1925 | 17.1 m (56 ft) | 158.8 m (521 ft) | | 0018 |
Takatomi Dam | 43°15′24″N 141°27′0″E | 1987 | 2005 | 17.9 m (59 ft) | 185 m (607 ft) | | 3303 |
Takisato Dam | 43°26′37″N 142°17′17″E[1] | 1999 | 1999 | 50 m (160 ft) | | | 0158 |
Tamiyasu Dam | 44°49′55″N 141°48′51″E[1] | 1984 | 2001 | 24 m (79 ft) | 260.5 m (855 ft) | | 0182 |
Tarumappu Bosai Dam | 43°55′26″N 141°49′59″E[1] | 1972 | 2000 | 24 m (79 ft) | 330 m (1,080 ft) | | 0128 |
Tobetsu Dam | 43°19′24″N 141°34′23″E | 1980 | 2012 | 52.7 m (173 ft) | | | 0171 |
Togo Dam | 43°13′44″N 142°35′1″E | 1969 | | 47.5 m (156 ft) | 375.4 m (1,232 ft) | | 0121 |
Tokachi Dam | 43°14′25″N 142°56′20″E | 1970 | 1984 | 84.3 m (277 ft) | | | 0112 |
Tokiwa Dam | 43°6′13″N 140°56′1″E | 1969 | 1971 | 20.1 m (66 ft) | 120 m (390 ft) | | 0169 |
Tokorogawa Dam | 41°58′18″N 140°49′30″E | | 1932 | 24.5 m (80 ft) | 57.9 m (190 ft) | | 0032 |
Toma Dam | 43°52′20″N 142°34′56″E[1] | | 1967 | 21.3 m (70 ft) | 218 m (715 ft) | | 0057 |
Tomamae Dam | 44°10′5″N 141°49′50″E[1] | 1991 | 1999 | 34.8 m (114 ft) | 155 m (509 ft) | | 0180 |
Tomisato Dam | 43°51′19″N 143°45′11″E[1] | 1969 | 1987 | 44.3 m (145 ft) | 280 m (920 ft) | | 0126 |
Tomura Dam | 43°25′59″N 142°53′3″E[1] | 1975 | 1978 | 37 m (121 ft) | 106 m (348 ft) | | 0098 |
Toppu Dam | 43°35′47″N 141°37′7″E | 1979 | 2013 | 78.4 m (257 ft) | 309 m (1,014 ft) | | 0175 |
Toyama Dam | 42°58′16″N 141°13′3″E[1] | 1968 | 1972 | 30 m (98 ft) | 217 m (712 ft) | | 0086 |
Toyogaoka Dam | 43°22′52″N 141°42′14″E | 1960 | 1966 | 18.7 m (61 ft) | 139 m (456 ft) | | 3359 |
Tsukigata Dam | 43°22′57″N 141°38′48″E[1] | 1965 | 1976 | 28.8 m (94 ft) | 208.1 m (683 ft) | | 0093 |
Ubaranai Dam | 43°58′39″N 144°4′11″E[1] | 1978 | 2000 | 40.5 m (133 ft) | 355 m (1,165 ft) | | 0159 |
Uennai Dam | 44°0′38″N 142°11′12″E[1] | 1968 | 1978 | 26.8 m (88 ft) | 320 m (1,050 ft) | | 0095 |
Uguikawa Dam | 41°57′34″N 140°13′52″E[1] | 1979 | 1986 | 21.1 m (69 ft) | 114 m (374 ft) | | 3387 |
Urakawa Dam | 42°14′22″N 142°49′27″E[1] | 1973 | 1999 | 42.1 m (138 ft) | 296 m (971 ft) | | 0147 |
Uryu Doentei Dam | 44°17′34″N 142°12′14″E | 1939 | 1943 | 22 m (72 ft) | 442 m (1,450 ft) | | 0041 |
Uryu No.1 Dam | 44°18′2″N 142°10′57″E | 2018 | | 45.5 m (149 ft) | 216 m (709 ft) | | 3700 |
Uryu No.2 Dam | 44°19′1″N 142°9′26″E[1] | 1939 | 1943 | 35.7 m (117 ft) | 230 m (750 ft) | | 0039 |
Uzura Dam | 41°56′59″N 140°23′32″E[1] | 1969 | 2001 | 52.2 m (171 ft) | 220 m (720 ft) | | 0119 |
Wakka Dam | 43°37′15″N 141°42′16″E | | 1925 | 25.5 m (84 ft) | 172 m (564 ft) | | 0011 |
Yabetsu Dam | 41°50′21″N 140°54′30″E[1] | 1969 | 1975 | 33.6 m (110 ft) | 84 m (276 ft) | | 0094 |
Yoichi Dam | 43°9′18″N 140°41′1″E[1] | 1971 | 1987 | 36.8 m (121 ft) | 220 m (720 ft) | | 0125 |
Yubarisyuparo Dam | 43°1′24″N 142°5′57″E | 1991 | 2014 | 110.6 m (363 ft) | 390 m (1,280 ft) | | 3101 |