Dam in Aichi Prefecture

1223-Hatsutachi-ike Pond

2.5
Dam in Aichi Prefecture
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Location: Irago-cho, Tahara City, Aichi Prefecture

View of the main dam embankment

This dam is located near Irago, famous for Toson Shimazaki's "Palm Fruit," and is the final reservoir for the Toyokawa water supply. The Toyokawa Irrigation Project was initiated to alleviate the chronic shortage of water in the Higashimikawa region. Although the dam is not very large in scale, it plays an important role in alleviating water shortages in the Higashimikawa region.

View of the dam lake from the main dam embankment

View of the dam embankment from the opposite bank of the main dam

information sign

dam characteristics

(data) itemmain damsub-dam
Modelcenter-core earth-fill damInclined-core earth-fill dam
Bank height22.5m12.5m
Bank length346.5m105.0m
bank width6.0m4.0m
Dam volume250,000m332,000m3
total storage capacity1,700,000m3
effective water storage capacity1,600,000m3
total floor space22.0 ha
Watershed Area65.6 ha
normal level of water supplyE.L.20.0m
design flood levelE.L.20.8m
spillwaySide channel type Q=16.40m3/s
volume of water taken from (a river, pond, flood, etc.)phi= 900 (for both irrigation and emergency water discharge)
Year Completed1968.

Other facilities/observations

I am always puzzled by the name of this dam. Is it "Hattachi" or "Hatsutachi"...? Even when I look around at various websites related to the Hatsutachi Dam, there are descriptions of both. Even on what could be called official websites, such as the Atsumi Town website and the Toyokawa water supply website, both descriptions are given. I am waiting for someone to give me correct information.

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This article was written by.
Shin Jinma

Dam enthusiast who loves Momosuke Fukuzawa / Dampedia and Dam News administrator / Certified Dammeister (01-018) by the Japan Dam Foundation / Started selling discharge caution goods.https://shop.dampedia.com

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