Jeremiah 38:6 ESV

6 So they took Jeremiah 1and cast him into the cistern of Malchiah, the king's son, which was in 2the court of the guard, letting Jeremiah down 3by ropes. 4And there was no water in the cistern, but only mud, and 5Jeremiah sank in the mud.

References for Jeremiah 38:6