 An investigation launched by the U.S. Department of Justice Environment and Natural Resources Division (ENRD) found that the practice had been taking place on "Caribbean Princess" and four other Princess ships – "Star Princess", "Grand Princess", "Coral Princess", and "Golden Princess" – since 2005.In December 2016, Princess agreed to plead guilty to seven felony charges and pay a $40 million penalty.The charges related to illegal discharges off the coasts of Florida, Maine, Massachusetts, New Jersey, New York, Rhode Island, South Carolina, Texas, Virginia, the U.S. Virgin Islands and Puerto Rico.