Hadithcore
Mishkat al-Masabih, 2858

He said that God’s Messenger forbade the sale of excess water. Muslim transmitted it.

وَعنهُ قَالَ: نهى رَسُول الله عَن بيع فضل المَاء. رَوَاهُ مُسلم

References1 variant
In-Book Reference
Book 11, Hadith 96