Detectives have charged a 26-year-old male with a number of offences including being concerned in the supply of class A drugs.
He is due to appear before Londonderry Magistrates Court on Wednesday 29thJuly.
As is normal procedure all charges will be reviewed by the PPS
The charges follow the search of a property in the Portstewart yesterday, Monday 27th July, as part of a proactive nationwide investigation into organised crime led by the National Crime Agency.