Zechariah 13:1 says, “On that day a fountain will be opened to the house of David and the inhabitants of Jerusalem, to cleanse them from sin and impurity."

Zechariah 12:10 - 13:1

Acts 8:38 And he commanded the chariot to stop, and they both went down into the water, Philip and the eunuch, and he baptized him. Sea also Acts 16:14–15...

Acts 8:26 - 40