Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ibnmajah:517 – Abū Bakr b. Khalāad al-Bāhilī > Yazīd b. Hārūn > Muḥammad b. Isḥāq > Muḥammad b. Jaʿfar b. al-Zubayr > ʿUbaydullāh b. ʿAbdullāh b. ʿUmar from his father

"I heard the Messenger of Allah being asked about water in the wilderness that is frequented by beasts and predators. The Messenger of Allah said: "If the water reaches the amount of two Qullah, nothing can make it impure (Najis).'" (Sahih) Another chain with similar wording.  

ابن ماجة:٥١٧ – حَدَّثَنَا أَبُو بَكْرِ بْنُ خَلاَّدٍ الْبَاهِلِيُّ حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ أَنْبَأَنَا مُحَمَّدُ بْنُ إِسْحَاقَ عَنْ مُحَمَّدِ بْنِ جَعْفَرِ بْنِ الزُّبَيْرِ عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ عَنْ أَبِيهِ قَالَ

سَمِعْتُ رَسُولَ اللَّهِ ﷺ سُئِلَ عَنِ الْمَاءِ يَكُونُ بِالْفَلاَةِ مِنَ الأَرْضِ وَمَا يَنُوبُهُ مِنَ الدَّوَابِّ وَالسِّبَاعِ فَقَالَ رَسُولُ اللَّهِ ﷺ إِذَا بَلَغَ الْمَاءُ قُلَّتَيْنِ لَمْ يُنَجِّسْهُ شَىْءٌ حَدَّثَنَا عَمْرُو بْنُ رَافِعٍ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ الْمُبَارَكِ عَنْ مُحَمَّدِ بْنِ إِسْحَاقَ عَنْ مُحَمَّدِ بْنِ جَعْفَرٍ عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ عَنْ أَبِيهِ عَنِ النَّبِيِّ ﷺ نَحْوَهُ  

See similar narrations below:

Collected by Ḥākim
hakim:458 – Abū al-ʿAbbās Muḥammad b. Yaʿqūb > al-Ḥasan b. ʿAlī b. ʿAffān > Abū Usāmah > ʿAbdullāh b. Mūsá > Ismāʿīl b. Qutaybah > Abū Bakr And ʿUthmān Āb.ā Abū Shaybah > Abū Usāmah > Abū al-Walīd al-Faqīh > ʿAbdullāh b. Muḥammad b. Shīrawayh > Isḥāq b. Ibrāhīm > Abū Usāmah > al-Walīd b. Kathīr > Muḥammad b. Jaʿfar b. al-Zubayr > ʿAbdullāh b. ʿAbdullāh b. ʿUmar from his father > Suʾil

[Machine] Abu Bakr and Uthman, the sons of Abu Shaybah, narrated: Abu Usamah told us that Abu Al-Walid Al-Faqih reported to him, who was informed by Abdullah bin Muhammad bin Shirawayh, who was informed by Ishaq bin Ibrahim, who was informed by Abu Usamah, who was informed by Al-Walid bin Kathir, who heard from Muhammad bin Ja'far bin Zubair, who heard from Abdullah bin Abdullah bin Umar, who said: The Messenger of Allah ﷺ was asked about water that is found in Al-Falaa land and the animals that drink from it and their impurity. He said, "If the water is two small amounts, nothing will render it impure."  

الحاكم:٤٥٨ – حَدَّثَنَا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ ثنا الْحَسَنُ بْنُ عَلِيِّ بْنِ عَفَّانَ ثنا أَبُو أُسَامَةَ وَأَخْبَرَنِي عَبْدُ اللَّهِ بْنُ مُوسَى ثنا إِسْمَاعِيلُ بْنُ قُتَيْبَةَ

ثنا أَبُو بَكْرٍ وَعُثْمَانُ ابْنَا أَبِي شَيْبَةَ قَالَا ثنا أَبُو أُسَامَةَ وَأَخْبَرَنِي أَبُو الْوَلِيدِ الْفَقِيهُ ثنا عَبْدُ اللَّهِ بْنُ مُحَمَّدِ بْنِ شِيرَوَيْهِ ثنا إِسْحَاقُ بْنُ إِبْرَاهِيمَ أَنْبَأَ أَبُو أُسَامَةَ ثنا الْوَلِيدُ بْنُ كَثِيرٍ عَنْ مُحَمَّدِ بْنِ جَعْفَرِ بْنِ الزُّبَيْرِ عَنْ عَبْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ عَنْ أَبِيهِ قَالَ سُئِلَ رَسُولُ اللَّهِ ﷺ عَنِ الْمَاءِ يَكُونُ بِأَرْضِ الْفَلَاةِ وَمَا يَنُوبُهُ مِنَ السِّبَاعِ وَالدَّوَابِّ فَقَالَ «إِذَا كَانَ الْمَاءُ قُلَّتَيْنِ لَمْ يُنَجِّسْهُ شَيْءٌ»  

«هَذَا حَدِيثٌ صَحِيحٌ عَلَى شَرْطِ الشَّيْخَيْنِ فَقَدِ احْتَجَّا جَمِيعًا بِجَمِيعِ رُوَاتِهِ وَلَمْ يُخَرِّجَاهُ وَأَظُنُّهُمَا وَاللَّهُ أَعْلَمُ لَمْ يُخَرِّجَاهُ لِخِلَافٍ فِيهِ عَلَى أَبِي أُسَامَةَ عَلَى الْوَلِيدِ بْنِ كَثِيرٍ» على شرطهما وتركاه للخلاف فيه