'Stopped' in the Bible

So they got together a great number of people, and had all the water-springs and the stream flowing through the land stopped up, saying, Why let the kings of Assyria come and have much water?

It was Hezekiah who had the higher spring of the water of Gihon stopped, and the water taken down on the west side of the town of David. In everything he undertook, Hezekiah did well.