2 Kings 20:20

20:20 The rest of the events of Hezekiah’s reign and all his accomplishments, including how he built a pool and conduit to bring water into the city, are recorded in the scroll called the Annals of the Kings of Judah.

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.

Isaiah 22:11

22:11 You made a reservoir between the two walls

for the water of the old pool –

but you did not trust in the one who made it;

you did not depend on the one who formed it long ago!