Charak Samhita
नद्यःपाषाणविच्छिन्नविक्षुब्धाभिहतोदकाः । हिमवत्प्रभवाःपथ्याःपुण्यादेवर्षिसेविताः ॥२०९॥
The water of rivers that originate from the Himalayas, whose flow is broken, agitated, and obstructed by rocks, and on whose banks dwell Gods and Rishis is considered wholesome and holy.
english translation
nadyaHpASANavicchinnavikSubdhAbhihatodakAH । himavatprabhavAHpathyAHpuNyAdevarSisevitAH ॥209॥
hk transliteration by Sanscript