Yosef Karo, Translation:Shulchan Aruch — Orach Chaim 356…
“ If it is fully breached or the hole is wider than ten, if parts of the wall remain where it fell, and those parts are taller than ten but covered by water, he can you use the water in the yard but it is forbidden to bring it into his house unless he made a ten-tefach tall wall. If no parts of the wall remain, it is even forbidden to use the water. ”
