小場江頭首工, Water management structure in Ibaraki Prefecture, Japan
The Kobaegashira Weir manages water flow in the surrounding area and maintains stable water levels for irrigation and flood control. The structure features multiple control mechanisms that distribute water to different agricultural zones.
This water management structure was built during the post-war period as part of Japan's modern infrastructure development. The project helped improve systematic water control across agricultural regions.
The facility reflects local water-sharing traditions that have evolved alongside agricultural practices in the region. Farmers still rely on its water distribution system to support their crops across multiple communities.
The site has designated areas where visitors can observe the water control mechanisms in action. Information boards explain how the system works, making a visit informative even without technical background.
The structure includes specialized fish passages built into its design, allowing aquatic species to naturally pass through the water system. This feature demonstrates how modern infrastructure can also consider environmental needs.
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