Banksia Hill detention centre was built in 1997 and was originally designed to accommodate 120 young offenders.
But its muster has escalated over the past few years in line with increasing juvenile detention rates.
At the same time, the State's two centres for juveniles - either convicted or accused of offending - have been combined into one centre at Banksia Hill in a $36 million redevelopment project.
The project has converted the Rangeview facility, which once held juvenile girls and most of those offenders on remand, into a jail for men aged from 18 to 24.
As a result, Banksia Hill has been redeveloped to accommodate all juvenile males, females, sentenced detainees and young people on remand from everywhere in the State. Its capacity has been increased from about 144 to 220 beds.
Corrective Services Commissioner Ian Johnson said there were now boys and girls aged 12 to 19 in Banksia Hill and the facility could cater for minimum to maximum-security prisoners.
"We have 206 detainees. They have got some serious issues to manage and we have to manage that on a daily basis," Mr Johnson said. "What happened (on Sunday night) is a good example of how something can deteriorate."
According to the latest statistics on the Department of Corrective Services website, nearly 52 per cent of the juveniles held in Banksia Hill on January 10 were remanded in custody while awaiting sentencing or trial.Of the total young people detained, almost 70 per cent were Aboriginal and 9.5 per cent were female.
'The West Australian' is a trademark of West Australian Newspapers Limited 2013.
All rights reserved.
Select your state to see news for your area.