Leviticus 11:36

But at the same time a fountain or a place where water is stored for use will be clean; but anyone touching their dead bodies will be unclean.

Zechariah 13:1

In that day there will be a fountain open to the family of David and to the people of Jerusalem, for sin and for that which is unclean.

John 4:14

But whoever takes the water I give him will never be in need of drink again; for the water I give him will become in him a fountain of 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
In that day there will be a fountain open to the family of David and to the people of Jerusalem, for sin and for that which is unclean.
John 4:14
But whoever takes the water I give him will never be in need of drink again; for the water I give him will become in him a fountain of eternal life.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain