Musannaf Ibn Abi Shayba 1:1035

Al-Hasan ibn Sa'id narrated to us, he said: Abu 'Abd al-Rahman Baqi ibn Makhlad narrated to us, he said: Abu Bakr 'Abd Allah ibn Muhammad ibn Abi Shaybah narrated to us, he said: Abu Bakr ibn 'Ayyash narrated to us, from al-A'mash, from Mu'awiyah ibn Qurrah, who said: A group from Banu Qushayr came to the Messenger of Allah, may Allah bless him and grant him peace, and said: "We stay away from the water, and we have our families with us, and we have no water with us except for our drinking." He said: "Yes, even if that is for a year or two."