In the title compound, C(14)H(8)Br(2)O(3)·H(2)O, the organic and water mol-ecules both have crystallographically imposed C(s) symmetry. The dihedral angle between the aromatic rings is 45.76 (11)°. In the crystal structure, inter-molecular C-H⋯O and O-H⋯O hydrogen bonds link the mol-ecules into chains parallel to the a axis. No π-π stacking inter-actions are observed in the crystal structure.