Hydrolatry

Hydrolatry is the worship of water. Water is one of the four classical elements that make up nature along with air, earth, and fire. The main purpose of water is to create life as well as provide power to nature. Water can only be liquid for so cold and so hot. God set up melting and boiling points of water to represent the habitable range.

Water is not only an essential thing created by God, but also used for religious purposes. is water believed to be under influence by God used to boo away evil entities. Some of the bodies of water are believed to have magical healing power, such as from Jordan River. There's a legendary where the effects of water were modified by God that by drinking water from the Fountain would make them younger.