Nehemiah 3:15
The Fountain Gate was repaired by Shallun son of Col-hozeh, ruler of the district of Mizpah. He rebuilt it, roofed it, and installed its doors, bolts, and bars. He also repaired the wall of the Pool of Shelah near the king's garden, as far as the stairs that descend from the City of David.

2 Kings 18:17
Nevertheless, the king of Assyria sent the Tartan, the Rab-saris, and the Rab-shakeh, along with a great army, from Lachish to King Hezekiah at Jerusalem. They advanced up to Jerusalem and stationed themselves by the aqueduct of the upper pool, on the road to the Launderer's Field.

2 Kings 20:20
As for the rest of the acts of Hezekiah, along with all his might and how he constructed the pool and the tunnel to bring water into the city, are they not written in the Book of the Chronicles of the Kings of Judah?

2 Chronicles 32:30
It was Hezekiah who blocked the upper outlet of the Spring of Gihon and channeled it down to the west side of the City of David. And Hezekiah prospered in all that he did.