Bryn-y-mor reservoir was a small waterworks which opened in 1837. It was situated in a dingle under Constitution Hill between Cliff Terrace and Brynymor Road. The reservoir became disused after1883 when the town's main water supply came from Plynlimon. Extant (2013).

References:
www.aberystwythguide.org.uk
Black and white photograph dated 1967.

RCAHMW, 2013