Dam in Aichi Prefecture

1235-Oshima Dam

4.0
Dam in Aichi Prefecture
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Location: 4-2, Mizusawa, Nayoro, Shinshiro City, Aichi Prefecture

View of the flood discharge from the levee

Take Route 151 (Bessho Kaido) and go south at the Naego intersection. I believe there is a signboard, so you should be fine. If you drive along the road as it is, you will naturally arrive at the site. The dam was built recently and is very well maintained. As you can see from the photo, the dam is a natural overflow dam, and the water flowing out of the dam lake is very beautiful like scales.

View of the flood discharge from the levee

View of the embankment from the left bank (dam lake side)

As I parked on the right bank and crossed the embankment to find a photo point on the left bank, an elderly man got out of a light car parked on the left bank and came up to me! In this day and age.... I was a little wary of him and was about to take a picture when he said to me, "What are you taking a picture of?

View of the embankment from the left bank (dam lake side)

Remains of the foundation of a construction crane

I was very embarrassed to have a doubt in my mind.... This elderly man seems to live in the neighborhood and has been visiting the dam frequently since it was built. He has been taking pictures of the dam since it was built.

Remains of the foundation of a construction crane

I was able to hear many stories. The photo on the left shows the remains of the foundation of a construction crane, and the Uren Dam also had a cableway from Mikawa Kawai Station on the Iida Line during its construction.

View of the levee (downstream side) from the left bank

I would have liked to talk with him about many other things and to show him some of the photos I had taken, but unfortunately, I had to move on to Uren, Sakuma, and Mizukubo, and I was running out of time, so I had to part ways with him. I had to leave him, but unfortunately, I had to go to Uren, Sakuma, and Mizukubo in the near future.

View of the levee (downstream side) from the left bank

I think this was the first time I had this kind of interaction with a local person at the dam. Was this old man really against or for the dam construction?

View of the levee (downstream side) from the right bank

View of the levee (downstream side) from the right bank

dam characteristics

form (something takes)straight linegravity-fed concrete dam
ObjectiveWater for irrigation and water supply
Bank height69.4m
Bank length160.0m
levee length and width4.0m
Dam volume183,000m3
Watershed Area18.4km2
Reservoir area50 ha
Total storage capacity12,300,000m3
Effective water storage capacity11,300,000m3
Name of Dam Lakelake in early morning mist
Flood dischargeNon-regulated type (natural overflow type) Q=550m3/s
water intakeMaximum water withdrawal 19m3/s
discharge facilityJet Flow Gate
phi1400mmphi250mm, 1 each
River NameOshima River, Toyokawa River system
Year of launch1989
Year Completed2001

Other facilities/observations

I should say that the interaction with the local people was a more valuable experience than the dam itself. When I was covering a dam and taking pictures, people usually looked at me suspiciously because I was not taking pictures in a commemorative way, but I had never been talked to before, so it was a good experience. I had never had anyone talk to me before, so it was a good experience for me.
2003/10/15: "PR Exhibition Hall" was changed from "X" to "○" (Abesh! Thanx!)

Parking lot
Toilet
Park
PR Exhibition Hall
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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