Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
A pool in a dream is a rich woman. Clear water in it indicates her righteousness, and murky water indicates her corruption.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
A pool indicates a treasurer. Whoever sees himself bathe in it will gain wealth.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
A pool is interpreted as a woman. Whoever sees himself fall into it will get married.