138 years of waterworks

On this day, October 17th, in 1887 Japan's first modern water supply system was established in the city of Yokohama. 

Under the design guidance of British Engineer Lieutenant Colonel Palmer, water was drawn from the Sagami River to a reservoir on Nogeyama and supplied to the city. Yokohama, which was once a remote village with only 87 households, thereafter saw its population grow day by day and the city developed rapidly. 

The featured image is of a water gate, also known as a sluice gate, with cherry blossoms (sakura) in the background. I took the photo in Kawagoe, in April 2025.

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