The Big Muddy River Correctional Center is a medium-security state prison for men located in Ina,

Jefferson County, Illinois Jefferson County is a county located in the southern part of the U.S. state of Illinois. According to the 2020 census, it has a population of 37,113. The county seat is Mount Vernon. Jefferson County contains the Mount Vernon, Illinois microp ...

, owned and operated by the

Illinois Department of Corrections The Illinois Department of Corrections (IDOC) is the code department of the Illinois state government that operates the adult state prison system. The IDOC is led by a director appointed by the Governor of Illinois, and its headquarters are in ...

. The facility was first opened in 1993, and has a working capacity of 1958. It is notable for being the only state prison in Illinois to have a SDP (Sexually Dangerous Person) treatment program.

References

Prisons in Illinois Buildings and structures in Jefferson County, Illinois 1993 establishments in Illinois {{US-prison-stub