Sunan Abi Dawud 63
سنن أبي داود#63SahihNarrated Abdullah ibn Umar: The Prophet (ﷺ), was asked about water (in desert country) and what is frequented by animals and wild beasts. He replied: When there is enough water to fill two pitchers, it bears no impurity
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 1:63