2 Chronicles 32:2-4

When Hezekiah realized that Sennacherib’s strategy was to take Jerusalem, he talked to his advisors and military leaders about eliminating all the water supplies outside the city; they thought it was a good idea. There was a great turnout of people to plug the springs and tear down the aqueduct. They said, “Why should the kings of Assyria march in and be furnished with running water?”