When someone is arrested in the Petroleum County, they will be taken to the Williams County Sheriff’s Office Criminal Justice Center and then booked and processed into the Williams County Jail.
All intake deputies will complete the booking process by logging all information from the arrestee including any personal belongings on them.
When an inmate is released from the Petroleum County Jail, they will be given back all of their belongings.
The Petroleum County Jail is operated and managed by the Williams County Sheriff’s Office. The facility will house those who have already been sentenced and those who are currently going through the judicial system. Inmates in the facility are not only inmates who currently reside in the Petroleum County area. The jail works closely with other law enforcement agencies and takes in inmates from surrounding counties and even will take in the occasional federal inmate as well.
The Petroleum County Jail is 121,000 square feet. The facility is situated on 19 acres of land. The jail can currently hold up to 454 inmates at any given time.
The Petroleum County Jail currently employs 96 correctional officers from deputies to Staff Sergeant. All correctional officers will go through rigorous training to ensure the safety of themselves and the inmates.
Petroleum County Sheriff's Office
|Address:||201 E MainWinnett, MT 59087|
Inmate Mailing Address
Inmate Name, ID, Housing #
Petroleum County Jail
201 East Main Street, Winnett, MT, 59087
Petroleum County Jail Prison Information
|Jail Name||Petroleum County Jail|
|Jail Type||County Jail|
|Location||201 East Main Street, Winnett, MT, 59087|
|Sunday||7:30 Am to 2:30 PM|
|Monday||7:30 AM to 9:00 PM|
|Tuesday||7:30 AM to 9:00 PM|
|Wednesday||7:30 AM to 9:00 PM|
|Thursday||7:30 AM to 9:00 PM|
|Friday||7:30 AM to 9:00 PM|
|Saturday||7:30 Am to 2:30 PM|