Sayyiduna Ibn Abbas (may Allah be pleased with them both) said: The Prophet (peace and blessings be upon him) passed by two graves and he (peace and blessings be upon him) said: "These two are being punished because of tale-bearing and urine." He (peace and blessings be upon him) took a fresh palm stalk, split it into two parts, planted them on the two graves and said: "Perhaps their punishment will be lightened until they dry."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4139
Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said that the Prophet (peace and blessings be upon him) passed by two graves and he (peace and blessings be upon him) said: "These two are being punished, and they are not being punished for some great matter. One of them used to go about carrying tales, and the other did not guard himself from the splashes of urine." Then he (peace and blessings be upon him) took a fresh palm stalk, split it into two parts and planted them on the graves. The people said: Why did you do this? He (peace and blessings be upon him) said: "I hope that their punishment will be lightened until they dry."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4140
Sayyiduna Abu Hurayrah (may Allah be pleased with him) said that the Prophet (peace and blessings be upon him) said: "Most of the punishment of the grave is because of urine."
(b) Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said that the Prophet (peace and blessings be upon him) said: "Guard yourselves against the splashes of urine."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4141
Sayyiduna Anas bin Malik (may Allah be pleased with him) said: We were sitting in the mosque with the Prophet (peace and blessings be upon him) when suddenly a Bedouin came and began to urinate in the mosque. The Companions (may Allah be pleased with them) began to stop him, but he (peace and blessings be upon him) said: "Leave him." The Companions left him until he had finished urinating. He (peace and blessings be upon him) said: "These are mosques; urine and filth are not fitting in them. They are only for the remembrance of Allah, prayer and the recitation of the Qur'an," or as the Prophet (peace and blessings be upon him) said. Then he (peace and blessings be upon him) ordered a man, who brought a bucket of water, and he (peace and blessings be upon him) poured it over the urine.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4142
Sayyiduna Anas bin Malik (may Allah be pleased with him) said: A Bedouin came into the mosque and began to urinate there. The Companions of the Prophet (peace and blessings be upon him) tried to stop him, but he (peace and blessings be upon him) forbade them to stop him. When he had finished, the Prophet (peace and blessings be upon him) called him and said: "These mosques are not made for excrement, urine and filth; they are made only for the recitation of the Qur'an and the remembrance of Allah." Then he (peace and blessings be upon him) ordered one of the Companions, who brought a bucket of water, and he (peace and blessings be upon him) poured the water over it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4143
Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) narrates that the Prophet (peace and blessings be upon him) went to relieve himself and he (peace and blessings be upon him) ordered me to bring three stones. I found two stones, and despite searching for a third I could not find one, so I picked up a piece of dung and brought them (all three) to the Prophet (peace and blessings be upon him). He (peace and blessings be upon him) took the two stones, threw away the dung and said: "Hadha riks" (This is impure).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4144
Abu Mijlaz (may Allah have mercy on him) said: I said to Ibn Umar (may Allah be pleased with them both): One of us makes his she-camel rise and splashes of her urine get on him. He said: He should wash that place.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4145
Sayyiduna al-Bara (may Allah be pleased with him) said that the Prophet (peace and blessings be upon him) said: "There is no harm in the urine of an animal whose meat is eaten."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4147
It is narrated from Sayyiduna Jabir bin Abdullah (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) said: "There is no harm in the urine of lawful animals."
(b) In another narration: "There is also no harm in the leftover of an animal whose meat is eaten."
Amr bin al-Husayn al-Uqayli and Yahya bin al-Ala al-Razi are both da'if (weak), and Sawwar bin Mus'ab is da'if (weak); so nothing on this is authentic from the Prophet (peace and blessings be upon him).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4148
Al-Hasan (may Allah be pleased with him) said that Uthman bin Affan (may Allah be pleased with him) used to order that dogs be washed in the bathhouse.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4149