The rest of the events of Hezekiah’s reign and all his accomplishments, including how he built a pool and conduit to bring ¹  water into the city, are recorded in the scroll called the Annals of the Kings of Judah. ² 

The king of Assyria sent his commanding general, the chief eunuch, and the chief adviser ¹  from Lachish to King Hezekiah in Jerusalem, ²  along with a large army. They went up and arrived at Jerusalem. They went ³  and stood at the conduit of the upper pool which is located on the road to the field where they wash and dry cloth. ⁴