Vaishnava Dharmashastra 62.5

62.5

anagnyuṣṇābhir aphenilābhiḥ aśūdraikakarāvarjitābhir akṣārābhir adbhiḥ śucau deśe svāsīno 'ntarjānu prāṅmukhaś codaṅmukho vā tanmanāḥ sumanāś cācāmet ||

Let him sip water, which has not been put to the fire and is free from foam (and bubbles), which has not been poured out by a Sûdra (or other uninitiated person), or by a man who has one hand only, and which has no saline flavour; and (let him sip it) in a clean place, duly seated, placing (his right hand) between his knees, facing the east or the north (or, the north-east), attentively regarding the water, and in a cheerful mood.