If one draws water from an ownerless cistern for his fellow, does the water follow the drawer's boundary or the recipient's?

ShabbatTechum Shabbat

Synopsis

Water drawn from an ownerless cistern for another person's use follows the drawer's boundary, not the recipient's. The Mechaber and Magen Avraham hold this based on Rashi and Rosh, while the Biur Halacha notes that many Rishonim disagree and follow the recipient's boundary instead.

Rishonim
Early Acharonim
Lenient
Strict
Lesser cited
Major authority

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