The former headquarters of the Metropolitan Waterworks Authority at Maen Sri Intersection (แยกแม้นศรี) in Bangkok, formerly known as the Bangkok Waterworks Authority. Behind the building's facade, the top on one of two water towers is still visible.

This aerial picture gives a better view of the entire compound, which in Thai is known as Kahn Pra Pah Nakhon Luang (กานประปานครหลวง).