It was narrated from 'Ubaidullah bin 'Abdullah bin 'Umar that his father said: "The Messenger of Allah said: 'If the water is the amount of two or three Qullah, nothing can make it impure (Najis).'" (Sahih) Another chain with similar wording.

It was narrated from Abu Sa'eed Al-Khudri that: The Prophet was asked about the water basins located between Makkah and Al-Madinah, which were visited by wild animals, dogs and donkeys, and about using them for means of purification. He said: "Whatever they (the animals) have carried in their bellies is for them, and whatever is left over is for us, and is pure."

It was narrated that Jabir bin 'Abdullah said: "We came to a pond in which there was the carcass of a donkey, so we refrained from using the water until the Messenger of Allah came to us and said: 'Water is not made impure by anything.' Then we drank from it and gave it to our animals to drink, and we carried some with us."

It was narrated that Abu Umamah Al-Bahili said: "The Messenger of Allah said: 'Water is not made impure by anything except that which changes its smell, taste and color.'"

It was narrated that Lubabah bint Harith said: "Husain bin 'Ali urinated in the lap of the Prophet and I said: 'O Messenger of Allah, give me your garment and put on another garment.' He said: 'Water should be sprinkled on the urine of a baby boy, and the urine of a baby girl should be washed away.'"

It was narrated that 'Aishah said: "A baby boy was brought to the Prophet who then urinated on him. He sprinkled over it with water and did not wash it."

It was narrated that Umm Qais bint Mihsan said: "I came to the Messenger of Allah with a son of mine who was not yet eating solid food, and he (the baby) urinated on him. He called for water and sprinkled it over (the urine)."

It was narrated from 'Ali that : The Prophet said concerning the urine of a nursing infant: "Water should be sprinkled over the urine of a boy, and the urine of a girl should be washed." Abul-Hasan bin Salamah said: "Ahmad bin Musa bin Ma'qil narrated to us that Abul-Yaman Al-Misri said: 'I asked Shafi'i about the Hadith of the Prophet, "Water should be sprinkled over the urine of a baby boy, and the urine of a baby girl should be washed," when the two types of water (urine) are the same. He said, "This is because the urine of the boy is of water and clay, but the urine of the girl is of flesh and blood." Then he said to me: "Did you understand?" I said: "No." He said: "When Allah the Most High created Adam, He created Eve (Hawwa') from his short rib, so the boy's urine is from water and clay, and the girl's urine is from flesh and blood." Then he said to me: "Did you understand?" I said: "Yes." He said: "May Allah cause you benefit from this."