R. C. Harris Water Treatment Plant
The R. C. Harris Water Treatment Plant in Toronto, Ontario, Canada, is both a crucial piece of infrastructure and an architecturally acclaimed historic building named after the longtime commissioner of Toronto's public works Roland Caldwell Harris. The plant's architect was Thomas Canfield Pomphrey with engineers H.G. Acres and William Gore.
Source: Wikipedia — R. C. Harris Water Treatment Plant (CC BY-SA 4.0)