Leviticus 14:5

14:5 The priest will then command that one bird be slaughtered into a clay vessel over fresh water.

Leviticus 14:50

14:50 and he is to slaughter one bird into a clay vessel over fresh water.

Leviticus 15:13

Purity Regulations for Male Bodily Discharges

15:13 “‘When the man with the discharge becomes clean from his discharge he is to count off for himself seven days for his purification, and he must wash his clothes, bathe in fresh water, and be clean.