Hattachi Pond, reservoir in Aichi Prefecture, Japan
Hattachi Pond is an irrigation reservoir in Aichi Prefecture created by an earth dam that holds water for agricultural use. The dam spans the area and supplies water to farming communities throughout the year, maintaining soil moisture even during dry seasons.
The dam was constructed in 1969 using earth and stone, making it straightforward in design and well suited to the local landscape. Since then it has operated continuously with regular maintenance to ensure reliability and safety for surrounding communities.
The name reflects local farming traditions tied to water management. Visitors can observe how communities here continue to depend on stored water as part of their everyday agricultural rhythm and seasonal cycles.
Visit in early morning or late afternoon when conditions are calmest and the water surface is most visible. The site is accessible for walking around the dam structure, allowing you to find different viewpoints of the reservoir and surrounding farmland.
The water level shifts noticeably with seasons and rainfall, constantly changing how the reservoir appears and functions. This variability reveals how the system actively responds to weather patterns and adjusts its capacity throughout the year.
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