I Kings 18:35 Midrash

וַיֵּלְכ֣וּ הַמַּ֔יִם סָבִ֖יב לַמִּזְבֵּ֑חַ וְגַ֥ם אֶת־הַתְּעָלָ֖ה מִלֵּא־מָֽיִם׃

And the water ran round about the altar; and he filled the trench also with water.

Read midrashic interpretation of I Kings 18:35: and classical rabbinic exegesis.