Parallel
1 Kings 18:35
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ διεπορεύετο τὸ ὕδωρ κύκλῳ τοῦ θυσιαστηρίου καὶ τὴν θααλα ἔπλησαν ὕδατος
So the water ran down around the altar and even filled the trench.