The combined municipal councils of Dokkum, Oostdongeradeel and Westdongeradeel adopted unanimously on 27 Oct 1983 a new municipal flag for Dongeradeel.
The wavy middle stripe represents the river Peasens, between the colors of Oostergo: red-white-red; and to the hoist blue, in which per pale the three stars of the municipal CoA, referring to the three former judges' chairs of the municipalities, which were joined together on 1 Jan 1984.
The wimpel of Dongeradeel consists of: 'a square hoist in blue on which a yellow star, and a long swallowtailed fly in the colors red and white.