Osato Irrigation Canal - Osato Irrigation Canal

Japanese: 大里用水 - おおさとようすい
Osato Irrigation Canal - Osato Irrigation Canal

Located in northern Saitama Prefecture, this is an irrigation canal that draws water from the Arakawa River. It is also called the Rokuseki Irrigation Canal. It is the largest irrigation canal on the Arakawa River, drawing water from Rokuseki between the old Kawamoto Town and the old Hanazono Town (both now part of Fukaya City) and irrigating both the left and right banks. The name Rokuseki comes from the six weirs Nara, Tamai, Oaso, Narita, Misho, and Yoshimi that were built in the early 17th century (during the Keicho era). In 1929 (Showa 4), construction was carried out to combine the six weirs into one in order to improve the irrigation system, and it was completed in 1939. In recent years, the flow rate has been increased by drawing water from the Futase and Tamayodo dams upstream.

[Masatami Nakayama]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

埼玉県北部にあり、荒川から取水する農業用水路。六堰用水(ろくせきようすい)ともいう。旧川本町と旧花園(はなぞの)町(ともに現、深谷市(ふかやし))との間の六堰で取水し、左岸、右岸にわたって灌漑(かんがい)する荒川筋最大の用水路である。六堰の名は、17世紀初期(慶長(けいちょう)年間)につくられた奈良(なら)、玉井(たまい)、大麻生(おおあそう)、成田(なりた)、御正(みしょう)、吉見(よしみ)の六つの堰による。1929年(昭和4)より用水組織の改修を図るため、六堰を一つにまとめる合口工事が行われ、1939年に完成。近年、上流の二瀬(ふたせ)、玉淀(たまよど)両ダムからの引水で流量を増加した。

[中山正民]

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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