Although the Leeds Corporation intended to build another reservoir in Colsterdale on the River Burn, this never came to pass, and Leighton Reservoir was constructed on two tributaries of the Burn; Pott Beck and Spruce Gell.
The Leeds Corporation planned to build a reservoir at Colsterdale on the River Burn but decided against it. As an alternative, Leighton Reservoir was constructed on two branches of the Burn: Pott Beck and Spruce Gell.