A police officer in the Pilbara has been stood down from duty for allegedly waving a firearm at colleagues while drunk.

It is alleged the constable was off-duty and under the influence of alcohol when he attended Port Hedland Police Station on Saturday night and falsely claimed he had been attacked.

Police said he grabbed a firearm from the armoury and waved it at his colleagues before he was disarmed.

The constable has been charged with possessing a firearm while intoxicated, unlawful damage, pointing a firearm at a person and creating a false belief.

He is due to appear in South Hedland Magistrates Court on August 8.

Three police officers at Port Hedland were recently stood aside from duty amid allegations they verbally abused two 14-year-old boys and dumped them on the outskirts of the town.

Another officer was charged with drink-driving while off-duty in May.

It is alleged he was under the influence of alcohol when he crashed his car into a parked police vehicle.

Police said several officers, including some of those stood down from duty, were being transferred out of Port Hedland and South Hedland.

However a police spokesman said most of the transfers were sparked by officers finishing their tenure in the Pilbara.

Police Commissioner Karl O'Callaghan told 720 ABC Perth investigations into the incidents were underway, but said he had concerns.

"I and others initiated action to move a number of police officers out of that station because of these things and three of those were supervisors," Commissioner O'Callaghan said.

"My view is that if we are seeing problems and the supervisors are not getting on top of it then we are going to move them out and get someone who can do the job properly."

He said he had confidence in the majority of police officers in the town.

"There are 38 officers up there, we are investigating three or four of them at the moment, the majority of them are doing a terrific job.

"I must say that I have less confidence in the shift supervisors which is one reason they've been moved on and we are currently searching for some good officers to go up there."