California State Prison, Centinela is a male-only state prison located in Imperial County, California, approximately from Imperial and El Centro. The facility is sometimes referenced Centinela State Prison.FacilitiesCEN is situated on. As of Fiscal Year 2007/2008, CEN had a total of 1,266 staff and an annual institutional operating budget of $161 million. As of December 2008, it had a design capacity of 2,383 but a total institution population of 5,097, for an occupancy rate of 213% percent. Of its housing units, 1 Level IV, and 3 Level III yards ("5 two tier buildings on each yard, 100 Double occupancy cells per building, razor wire cinder block/ chain link fenced perimeters and armed coverage") all surrounded by an additional electrified fence protected by two razor wire atop chain link fences and 1 Level I yard (2 buildings, open dormitory, maximum capacity of 200 inmates each, with secure chain link fence perimeter). Facility also includes a "CTC" ("Correctional Treatment Center", treating medical, dental, and mental health issues with an integrated hospital type area/ department)."ADSEG" (administrative segregation) has a maximum occupancy of 175, and a Firehouse (Centinela Fire Department, CEP is the three letter identifier) that houses 8 Level I inmates actively trained as structural/ wildland firefighters. Centinela Fire Department is part of the institutions rehabilitation program. It provides rigorous and accelerated training meeting state fire certification, equivalent to a volunteer structural/ wildland firefighter. A library facility was established in 2016.HistoryCEN was named after Cerro Centinela, the Spanish name for Mount Signal which straddles the U.S.-Mexico border. The prison opened in October 1993, approximately 22 months after Calipatria State Prison located approximately north.