The lake is named after a Mr. Carpenter, an engineer who first moved to Canada in 1909 and performed much of the early design work on the power project for the firm of Sanderson and Porter, and supervised construction of the first tunnels through Mission Ridge from 1927 to 1931.
The lake bears Mr. Carpenter's name, an engineer who initially moved to Canada in 1909 and was responsible for much of the early design work on the power project for Sanderson and Porter firm. He supervised the construction of the first tunnels through Mission Ridge from 1927 to 1931.