SB 10.41.15
apas te ’nghry-avanejanyas
triḻ lokan sucayo ’punan
sirasadhatta yah sarvah
svar yatah sagaratmajah
Translation:
The water of the river Ganges has purified the three worlds, having become transcendental by bathing Your feet. Lord Siva accepted that water on his head, and by that water’s grace the sons of King Sagara attained to heaven.