Skandapurana 6.3.23.5

6.3.23.5

samaṃ jalaṃ dharmavido vadanti sārasvataṃ gāṅgamiti prabuddhāḥ .
tasyopariṣṭātpravadanti tajjñā revājalaṃ nātra vicāraṇāsti .. 23.5 ..

Those who know dharma say that the water belonging to Sarasvatī and the water of Gaṅgā are equal, so say the enlightened; / those who know proclaim that the water of Revā is superior to that—there is no doubt about this.