Manusmriti
नदीषु देवखातेषु तडागेषु सरःसु च । स्नानं समाचरेन्नित्यं गर्तप्रस्रवणेषु च ॥ २०३ ॥
Let him always bathe in rivers, in ponds, dug by the gods (themselves), in lakes, and in waterholes or springs.
english translation
nadISu devakhAteSu taDAgeSu saraHsu ca । snAnaM samAcarennityaM gartaprasravaNeSu ca ॥ 203 ॥
hk transliteration by Sanscript