Vyrnwy
VYRNWY (Fyrnuiy), an artificial lake or reservoir in the northwest of Montgomeryshire, N. Wales, constructed for the Liverpool water-supply. It was formed by damming the river Vyrnwy, which runs through Montgomeryshire and joins the Severn above Shrewsbury (see WATER-SUPPLY).
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
