Contradiction with Exodus 15:23-24
The waters of Marah were bitter, and the people complained, showing a lack of permanent healing of the waters.
Exodus 15:23-24: And when they came to Marah, they could not drink of the waters of Marah, for they [were] bitter: therefore the name of it was called Marah. [Marah: that is Bitterness]
Contradiction with Jeremiah 8:15
Despite hopes for healing and peace, there is no relief, contrasting the lasting cure of the waters in 2 Kings 2:22.
Jeremiah 8:15: We looked for peace, but no good [came; and] for a time of health, and behold trouble!
Contradiction with Revelation 8:11
Waters became bitter, causing death, opposing the healing and harmless waters in 2 Kings 2:22.
Revelation 8:11: And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.
Contradiction with James 3:11
Suggests that a fountain cannot yield both fresh and bitter water, contrasting the healing of the waters in 2 Kings 2:22.
James 3:11: Doth a fountain send forth at the same place sweet [water] and bitter? [place: or, hole]