Water
(Player's Handbook v.3.5 variant, p. 189)
Deities:
Aegir, Habbakuk, Isis, Njord, Obad-Hai, Poseidon, Sobek, Taiia (destroyer aspect), The Devourer, Zeboim
Other deities:
Granted power (Su)
Turn or destroy fire creatures as a good cleric turns undead. Rebuke, command, or bolster water creatures as an evil cleric rebukes undead. Use these abilities a total number of times per day equal to 3 + your Charisma modifier. This granted power is a supernatural ability.
Special
When casting elemental swarm as a Water Domain spell, only Water elementals may be summoned.