List of dams in Iwate Prefecture
# List of dams in Iwate Prefecture

The following is a list of dams in Iwate Prefecture, Japan.

## List

| Name | Location | Opened | Height (metres) |
| - | - | - | - |
| Akazawa Dam | 39°29′55″N 140°46′15″E | | |
| Appi Bosai Dam | 40°0′53″N 140°56′3″E | | |
| Arasawa No. 1 Dam | 40°0′53″N 140°56′3″E | 1972 | 38 |
| Arasawa No.2 Dam | 40°2′5″N 140°56′41″E | 1989 | 45.5 |
| Arasawa No.3 Dam | 40°2′40″N 140°57′32″E | 1960 | 22 |
| Fudai Dam | 39°59′50″N 141°54′10″E | | 37.3 |
| Gando Dam | 39°49′37″N 141°22′24″E | 1960 | 40 |
| Gosho Dam | 39°41′37″N 141°1′48″E | 1981 | 52.5 |
| Hayachine Dam | 39°31′54″N 141°20′22″E | 2000 | 73.5 |
| Hinata Dam | 39°17′35″N 141°47′51″E | | 56.5 |
| Hisanai Tameike Dam | 39°18′6″N 141°39′38″E | 1982 | 27 |
| Ikatai Dam | 40°0′52″N 141°7′59″E | | 40 |
| Irihata Dam | 39°14′22″N 140°56′59″E | 1990 | 80 |
| Isawa Dam | 39°7′17″N 140°44′11″E | 2013 | |
| Ishibane Dam | 39°18′18″N 140°57′14″E | 1953 | 20.5 |
| Ishibuchi Dam | 39°6′48″N 140°54′13″E | 1953 | |
| Iwasaki Nojo Tameike Dam | 39°15′40″N 140°59′14″E | 1938 | 24.2 |
| Kanagoezawa Dam | 38°50′36″N 141°23′37″E | | 43 |
| Kemuyama Dam | 39°36′58″N 141°5′56″E | | 21.8 |
| Koromogawa No.1 Dam | 39°6′0″N 140°57′58″E | 1963 | 35.5 |
| Koromogawa No.2 Dam | 39°0′14″N 141°0′46″E | 1971 | 34 |
| Koromogawa No.3 Dam | 39°1′23″N 141°2′1″E | | 41 |
| Koromogawa No.4 Dam | 39°3′43″N 141°0′13″E | | 33 |
| Koromogawa No.5 Dam | 39°0′34″N 141°3′48″E | | 20.5 |
| Kuzumaru Dam | 39°30′45″N 141°3′11″E | 1991 | 51.7 |
| Neishi Dam | 40°11′6″N 140°57′55″E | | 41 |
| Ono Dam | 40°14′53″N 141°38′57″E | | 26 |
| Ohsawa Dam | 39°35′13″N 141°44′38″E | 1943 | 30.8 |
| Oshida Dam | 40°5′21″N 141°17′44″E | | 63.7 |
| Oshuku Dam | 39°36′50″N 140°53′37″E | | 17.5 |
| Rentaki Dam | 39°34′10″N 140°54′46″E | | 37.7 |
| Ryorigawa Dam | 39°3′44″N 141°46′42″E | 2000 | 43 |
| Sannokai Dam | 39°32′51″N 141°3′53″E | 2001 | 61.5 |
| Senganishi Dam | 39°13′29″N 141°0′31″E | 1934 | 31.3 |
| Senmatsu Dam | 38°48′3″N 141°24′48″E | | 26.8 |
| Setsukinai Dam | 40°6′51″N 141°29′36″E | | 38.5 |
| Shijushida Dam | 39°45′10″N 141°8′54″E | 1968 | 50 |
| Sorihikizawa Tameike Dam | 39°12′51″N 141°0′36″E | 1935 | 23.5 |
| Sotomasuzawa Dam | 39°36′49″N 140°58′12″E | | 22.5 |
| Sotoyama Dam | 39°46′32″N 141°17′1″E | | 33 |
| Taki Dam | 40°9′5″N 141°43′24″E | | 70 |
| Takou Dam | 39°9′20″N 141°42′7″E | 2006 | 77 |
| Tase Dam | 39°20′35″N 141°19′7″E | 1954 | 81.5 |
| Tokitosawa Tameike Dam | 39°20′24″N 140°57′52″E | 1988 | 16 |
| Tono Dam | 39°18′22″N 141°32′7″E | 1957 | 26.5 |
| Tono No.2 Dam | 39°19′7″N 141°31′47″E | 2010 | 23.1 |
| Toyosawa Dam | 39°28′50″N 140°58′27″E | 1961 | 59.1 |
| Tsunatori Dam | 39°42′40″N 141°12′18″E | 1982 | 59 |
| Yabitsu Dam | 39°36′56″N 141°0′35″E | 1981 | 33.5 |
| Yanagawa Dam | 39°40′22″N 141°15′46″E | | 77.2 |
| Yuda Dam | 39°18′6″N 140°53′6″E | 1964 | 89.5 |
| Yukiyagawa Dam | 40°17′28″N 141°31′0″E | 1977 | 28.4 |
| Wakayanagi Dam | | | |
