الْحَمْدُ لِلَّهِ الَّذِي سَقَانَا عَذْبًا فُرَاتًا بِرَحْمَتِهِ وَلَمْ يَجْعَلْهُ مِلْحًا أُجَاجًا بِذُنُوبِنَا
Transliteration
Alhamdu lillahilladhi saqana 'adhban furatan birahmatihi wa lam yaj'alhu milhan ujajan bidhunubina
English meaning
All praise is for Allah who gave us sweet, fresh water to drink by His mercy and did not make it salty and bitter because of our sins.
When is it recited?
Recited after drinking water.
Source
Tabarani; Bayhaqi, Shu'ab al-Iman