Water god : A fabulous deity supposed to dwell in, and preside over, some body of water.

Example:


Taxonomy
Habaek, Soah, Water God, the Emperor, god, Hoo, Water Kingdom, Mui, Mura, Nong, Shin, the Goddess, in the Water, Yeo, schemes, humans, small village, the Gods.

Defination from the web:
Water God, the most beautiful girl from their village must be sacrificed. ... Habaek (하백): The Water God, a temperamental deity who has not allowed rain to fall in Soah's village for many years. ...