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The National Resources Defense Council has released their annual beach report--highlighting the country's dirtiest and cleanest swimming spots.

States with the cleanest swimming holes:

New Hampshire

Delaware

Oregon

Virginia

Hawaii

States with the highest levels of reported contamination:

Louisiana

Rhode Island

Illinois

Ohio

Michigan

Here are the full ratings of 200 popular beaches so you can check out your favorite summer haunt.

Follow Adriene Hill at @adrienehill