According to the measurements conducted, there are over 20,000 anions per milliliter of water in Neitung Falls, and although this figure is still unofficial, the waterfall's purported revitalizing effects have drawn huge numbers of visitors.
根據檢測，烏來內洞瀑布的負離子含量高達每立方公分兩萬個以上，即使負離子功效仍未經證實，但已經吸引了不少遊客前來吸取日月精華。