Isaiah 36:2

36:2 The king of Assyria sent his chief adviser from Lachish to King Hezekiah in Jerusalem, along with a large army. The chief adviser stood at the conduit of the upper pool which is located on the road to the field where they wash and dry cloth.

Isaiah 7:3

7:3 So the Lord told Isaiah, “Go out with your son Shear-jashub and meet Ahaz at the end of the conduit of the upper pool which is located on the road to the field where they wash and dry cloth.