One of three senior NSW Police officers who tested positive for cocaine after a Sydney pub party will face court for lying to the police watchdog.

Matthew Dennis, 43, will front Downing Centre Local Court on June 2 charged with eight counts of providing false or misleading information to the Police Integrity Commission (PIC).

The case against Dennis arose from Operation Ischia which is investigating former and serving officers over allegations of drug use, drug supply, the release of confidential information and issues relating to the police death and disability scheme.

The state government slashed the scheme in 2012, making it harder for officers to claim large payouts.

A PIC spokeswoman would not specify what Dennis was being questioned about when he allegedly lied.

The Hunter Valley inspector tested positive for cocaine after attending the retirement party of another officer in August 2011.

Dennis was suspended but remains a police officer pending the outcome of court action relating to Operation Ischia, a police spokesman told AAP.

Detective Inspector Shane Diehm, from the Tweed-Byron Local Area Command, also tested positive after the party.

He was allowed to leave the force on full pay, a police spokesman told AAP.

AFP sky marshal Darren Kolosque also attended the retirement party and resigned after returning a positive drug result.

The party was held for the retirement of former detective superintendent John Alt, who remains under separate investigation by the PIC.

 

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