[1] The reservoir was completed in 1904 to service residents of Kowloon Tong, Sham Shui Po, and Tai Hang Tung.

By December 2020, the disused reservoir was revealed to contain brick arches and a cement roof of in the Romanesque architectural style.

[6] In the aftermath, the Antiquities and Monuments Office defended criticisms that the board did not raise any objection to the WSD's plan in 2017 when the demolition was brought to its attention in a meeting, because the WSD described the reservoir as a disused "water tank".

[7] The WSD made no mention of its historic arches and cavernous architecture, and heritage officials thought it was "just a normal tank".

[8] In June 2021, the Antiquities Advisory Board accorded the Service Reservoir with Grade I historical building status.