Chronicles II 32:4

4 And he collected many people, and stopped the wells of water, and the river that flowed through the city, saying, Lest the king of Assyria come, and find much water, and strengthen .

Chronicles II 32:4 Meaning and Commentary

2 Chronicles 32:4

So there was gathered much people together
At the instance of Hezekiah, his nobles and officers:

who stopped all the fountains;
perhaps by laying planks over them, and earth upon them, so that it could not be discerned there were any fountains there:

and the brook that ran through the midst of the land;
which, according to Kimchi, was Gihon, ( 2 Chronicles 32:30 ) , which was near Jerusalem; the stream of this very probably they turned into channels under ground, whereby it was brought into the city into reservoirs there provided, that that might have a supply during the siege, while the enemy was distressed for want of it:

saying, why should the kings of Assyria come and find much water?
by which means they would be able to carry on the siege to a great length, when otherwise they would be obliged to raise it quickly: mention is made of kings of Assyria, though there was but one, with whom there might be petty kings, or tributary ones; and, besides, as he boasted, his princes were altogether kings, ( Isaiah 10:8 ) .

Chronicles II 32:4 In-Context

2 And Ezekias saw that Sennacherim was come, and his face to fight against Jerusalem.
3 And he took counsel with his elders and his mighty to stop the wells of water which were without the city: and they helped him.
4 And he collected many people, and stopped the wells of water, and the river that flowed through the city, saying, Lest the king of Assyria come, and find much water, and strengthen .
5 And Ezekias strengthened , and built all the wall that had been pulled down, and the towers, and another wall in front without, and fortified the strong place of the city of David, and prepared arms in abundance.
6 And he appointed captains of war over the people, and they were gathered to him to the open place of the gate of the valley, and he encouraged them, saying,

The Brenton translation of the Septuagint is in the public domain.