Reference: Baths
Easton
The use of the bath was very frequent among the Hebrews (Le 14:8; Nu 19:19, ect.). The high priest at his inauguration (Le 8:6), and on the day of atonement, was required to bathe himself (Le 16:4,24). The "pools" mentioned in Ne 3:15-16; 2Ki 20:20; Isa 22:11; Joh 9:7, were public bathing-places.
See Verses Found in Dictionary
"The one to be cleansed shall then wash his clothes and shave off all his hair and bathe in water and be clean Now afterward, he may enter the camp, but he shall stay outside his tent for seven days.
"He shall put on the holy linen tunic, and the linen undergarments shall be next to his body, and he shall be girded with the linen sash and attired with the linen turban (these are holy garments) Then he shall bathe his body in water and put them on.
"He shall bathe his body with water in a holy place and put on his clothes, and come forth and offer his burnt offering and the burnt offering of the people and make atonement for himself and for the people.
'Then the clean person shall sprinkle on the unclean on the third day and on the seventh day; and on the seventh day he shall purify him from uncleanness, and he shall wash his clothes and bathe himself in water and shall be clean by evening.
Shallum the son of Col-hozeh, the official of the district of Mizpah, repaired the Fountain Gate He built it, covered it and hung its doors with its bolts and its bars, and the wall of the Pool of Shelah at the king's garden as far as the steps that descend from the city of David. After him Nehemiah the son of Azbuk, official of half the district of Beth-zur, made repairs as far as a point opposite the tombs of David, and as far as the artificial pool and the house of the mighty men.
And you made a reservoir between the two walls For the waters of the old pool. But you did not depend on Him who made it, Nor did you take into consideration Him who planned it long ago.
and said to him, "Go, wash in the pool of Siloam" (which is translated, Sent) So he went away and washed, and came back seeing.