2 Chronicles 32:2-6

2Hezekiah saw that Sennacherib had come and that he planned war on Jerusalem,

3so he consulted with his officials and his warriors about stopping up the water of the springs that were outside the city, and they helped him.

4Many people gathered and stopped up all the springs and the stream that flowed through the land; they said, “Why should the kings of Assyria come and find abundant water?”

5Then Hezekiah strengthened his position by rebuilding the entire broken-down wall and heightening the towers and the other outside wall. He repaired the supporting terraces of the city of David, and made an abundance of weapons and shields.

6He set military commanders over the people and gathered the people in the square of the city gate. Then he encouraged them, saying,