Abstract: A mineral-water producing apparatus that including: an electrolytic tank to which raw water, such as city water, is supplied; a mineral eluting material(s) arranged in the electrolytic tank; and a pair of electrodes, a cathode and an anode, arranged in the electrolytic tank, where mineral water is produced by applying a DC voltage across the electrodes, and the resulting mineral water is delivered to its terminal through a water-delivery pipe, wherein the apparatus further includes chlorine-concentration control means which including: a main water-delivery pipe and a bypass water-delivery pipe into which a portion of the water-delivery pipe is diverged; and a water purification tank provided in the main water-delivery pipe for removing an available chlorine component.