'Stagnant' in the Bible

"I will turn her into a place that is overrun with wild animals and covered with pools of stagnant water. I will get rid of her, just as one sweeps away dirt with a broom," says the Lord who commands armies.

He said to me, "These waters go out toward the eastern region and flow down into the Arabah; when they enter the Dead Sea, where the sea is stagnant, the waters become fresh.