Water fountains are natural humidifiers on top of being home décor. Unlike traditional humidifiers where mold and mildew build up quickly, a fountain will not result in the same due to the continuous movement of water. They are also very popular due to their relaxing effect on people; offering stress relief after a long day with soothing water sounds. They are also very effective noise masker and are great tools to help you focus and are great instruments to help with meditation sessions. They also add negative ions which gives off extra boosts of energy and can help create a more positive state of mind.
Source: NATURE CHANNEL