Walter sold in the bottle is usually natural mineral water. "Otaru no Mizu" (小樽の水) or "Water of Otaru" in the photo, however, is tap water. In many cities in the world, tap water is often unsuitable for drinking, but Otaru's tap water is such high quality as sold in the bottle to drink.
People in Otaru don't have to buy this bottled water since there is no difference between the water in the bottle and tap water, (and we all pay water rate anyway). This bottled water must be for the visitors to perceive how Otaru’s tap water is good and safe, and more than that, to let the visitors know the reason why food and drinks of Otaru is very good. Good food results from good water in general.
Please try water of Otaru in Hokkaido. You cannot find any taste or smell of chlorine because the original water is so much clean that sterilization is hardly necessary.
Having good water is one of the privileges on living in a city.
Would you like to live in Otaru where you can enjoy good water and good food, and people are quite friendly?