Jeremiah 2:13

Grod's blessing, under the figure of fresh water as supplied by a spring or rivulet, is contrasted with the vanity of serving idols, which is as devoid of profit as is a cracked reservoir (dug to collect rain water) for that which it is intended to supply.

14-35. Not only by her idolatry, but by her quests for alliance, now with Egypt and now with Assyria, has Judah shown her faithlessness. For both these sins she will be punished.