Parallel
1 Kings 18:35
Swete's Septuagint · Berean Standard Bible
καὶ διεπορεύετο τὸ ὕδωρ κύκλῳ τοῦ θυσιαστηρίου, καὶ τὴν θάλασσαν ἔπλησαν ὕδατος.
So the water ran down around the altar and even filled the trench.