The title compound, {[Zn(C(10)H(8)O(6))(H(2)O)(4)]·2H(2)O}(n), is a one-dimensional coordination polymer with 2,5-dihydroxy-benzene-1,4-diacetate acting as bridging ligand. The zigzag chains, extending parallel to [011], are further packed into a three-dimensional network by hydrogen bonds.