Ezra 9:11

which thou hast commanded by thy servants the Prophets, and said, 'The land unto which ye go to possess it, is an unclean land through the filthiness of the people of the lands, in their abominations wherewith they have made it full of uncleanness on every side.

Ezra 6:21

And the children of Israel which were come again out of captivity, and all such as had separated themselves unto them from the filthiness of the Heathen in the land, to seek the LORD God of Israel, ate

Leviticus 18:24-30

Defile not yourselves in any of these things, for with all these things are these nations defiled which I cast out before you:

Deuteronomy 12:31

Nay, thou shalt not do so unto the LORD thy God: for all abominations which the LORD hated did they unto their gods. For they burnt both their sons and their daughters with fire unto their gods.

Deuteronomy 18:12

For all that do such things are abomination unto the LORD: and because of these abominations the LORD thy God doth cast them out before thee.

2 Kings 21:16

And thereto Manasseh shed innocent blood exceeding abundantly, in so much that he replenished Jerusalem in all corners, beside his sin wherewith he made Judah sin and to do evil in the sight of the LORD.

2 Chronicles 33:2

And he did wickedly in the sight of the LORD, like unto the abominations of the heathen which the LORD cast out before the children of Israel.

Ezra 9:1

Then all this was performed, the rulers came to me, and said, "The people of Israel, and the priests, and Levites are not separated from the nations in the lands as touching their abominations, namely of the Cananites, Hittites, Perezites, Jebusites, Ammonites, Moabites, Egyptians, and Amorites.

Ezekiel 36:25-27

And I will pour pure water upon you, and ye shall be cleansed from all uncleanness, and from all your idols. I will cleanse you.

2 Corinthians 7:1

Seeing that we have such promises, dearly beloved, let us cleanse ourselves from all filthiness of the flesh and spirit, and grow up to full holiness in the fear of God.

Treasury of Scripture Knowledge

Summary

Which thou hast commanded by thy servants the prophets, saying, The land, unto which ye go to possess it, is an unclean land with the filthiness of the people of the lands, with their abominations, which have filled it from one end to another with their uncleanness.

General references

Bible References

The land

Ezra 9:1
Then all this was performed, the rulers came to me, and said, "The people of Israel, and the priests, and Levites are not separated from the nations in the lands as touching their abominations, namely of the Cananites, Hittites, Perezites, Jebusites, Ammonites, Moabites, Egyptians, and Amorites.
Leviticus 18:24
Defile not yourselves in any of these things, for with all these things are these nations defiled which I cast out before you:
Deuteronomy 12:31
Nay, thou shalt not do so unto the LORD thy God: for all abominations which the LORD hated did they unto their gods. For they burnt both their sons and their daughters with fire unto their gods.
Deuteronomy 18:12
For all that do such things are abomination unto the LORD: and because of these abominations the LORD thy God doth cast them out before thee.
2 Chronicles 33:2
And he did wickedly in the sight of the LORD, like unto the abominations of the heathen which the LORD cast out before the children of Israel.

The filthiness

Ezra 6:21
And the children of Israel which were come again out of captivity, and all such as had separated themselves unto them from the filthiness of the Heathen in the land, to seek the LORD God of Israel, ate
Ezekiel 36:25
And I will pour pure water upon you, and ye shall be cleansed from all uncleanness, and from all your idols. I will cleanse you.
2 Corinthians 7:1
Seeing that we have such promises, dearly beloved, let us cleanse ourselves from all filthiness of the flesh and spirit, and grow up to full holiness in the fear of God.

General references

Judges 3:6
they took the daughters of them to be their wives, and gave their own daughters to their sons, and served their gods.