Leviticus 11:36

A spring or cistern containing water will remain clean, but someone who touches a carcass in it will become unclean.

Zechariah 13:1

“On that day a fountain will be opened for the house of David and for the residents of Jerusalem, to wash away sin and impurity.

John 4:14

But whoever drinks from the water that I will give him will never get thirsty again—ever! In fact, the water I will give him will become a well of water springing up within him for eternal life.”

Treasury of Scripture Knowledge

Summary

Nevertheless a fountain or pit, wherein there is plenty of water, shall be clean: but that which toucheth their carcase shall be unclean.

Bible References

A fountain

Zechariah 13:1
“On that day a fountain will be opened for the house of David and for the residents of Jerusalem, to wash away sin and impurity.
John 4:14
But whoever drinks from the water that I will give him will never get thirsty again—ever! In fact, the water I will give him will become a well of water springing up within him for eternal life.”

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.