Acacia Prison is a medium security prison facility located in Wooroloo, Western Australia. The prison was opened in May 2001. Acacia was the first privately managed prison in Western Australia and was managed by Australian Integration Management Services Corporation (AIMS Corp) for its first five years of operation. Since May 2006 it has been managed by Serco. The prison currently employs over 300 custodial officers and more than 200 non-custodial staff to run day-to-day operation.