She used to carry water from Zamzam and would report that the Messenger of Allah ﷺ used to carry it as well.
حدثنا أبو كريب حدثنا خلاد بن يزيد الجعفي حدثنا زهير بن معاوية عن هشام بن عروة عن أبيه
أنها كانت تحمل من ماء زمزم وتخبر أن رسول الله ﷺ كان يحمله
No references are available.
[Its chain of transmission is sahih]. Bayhaqi (5/202) also narrated it from the hadith of Ibn Khuzayma, from Abu Kurayb, with the same wording. It has been criticized on grounds that do not undermine it.