Two possible sketches of the nuclear region of ESO 320-G030, based on the model fit to the 20 detected and one undetected H₂O lines, and three continuum flux densities. We have in both sketches three components: the compact core, the disk, and the envelope. In model A, the core is a physically coherent component located at the center of the galaxy, while in model B the core is composed of discrete spots widespread over the disk. The dashed line indicates the major kinematic axis, but the source appears to be elongated along the minor axis that nearly coincidates with the direction of the inner bar. The arrows indicate the clockwise direction of rotation, with far and near sides of the disk also indicated. The envelope is assumed to be fully surrounding the disk.