According to the Oharae no kotoba (the Words of the Great Purification), sins and impurities run into the ocean by Seoritsuhime no kami who lives at the upstream of a river were swallowed down by a 'god called Hayaakitsuhime who sits at the place where various power and current gather and things go under purification.'
大祓詞では、川上にいる瀬織津比売神によって海に流された罪・穢を、「荒潮の潮の八百道の八潮道の潮の八百会に坐す速開津比売（はやあきつひめ）と云ふ神」が呑み込んでしまうと記されている。