I practice law in Virginia. Our state has a state wage an hour department in its department of labor and industry. You should check to see if your state has a similar department. Of course, your employer could retaliate against you by terminating your employment so you do need to be careful.
THESE COMMENTS ARE NOT LEGAL ADVICE. They are provided for informational purposes only. Actual legal advice can only be provided after consultation by an attorney licensed in your jurisdiction. Answering this question does not create an attorney-client relationship or otherwise require further consultation.