Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site on September 24, 2026.
Mountrail County, North Dakota, has about 9,500 residents (2024 Census Bureau estimate). A DUI arrest in Mountrail County starts two cases, a criminal case in the Mountrail County District Court and a license case before the Department of Transportation, and leaves three records. This guide follows the arrest from the roadside to the court file and the driving record.
This guide covers the law, the arrest, booking, the court case, the license case, the records and common questions.
Related guides: Mountrail County public records, Mountrail County arrest records, Mountrail County warrants, Mountrail County inmate search, Mountrail County criminal records, North Dakota arrest records and North Dakota inmate search.
The DUI Law in North Dakota
Drunk driving is charged as DUI in North Dakota, at a blood alcohol level of 0.08 or more.
Driving in North Dakota is consent to a breath or blood test when an officer has cause to suspect DUI; the license case that follows a refusal or a failed test is run by the Department of Transportation, separately from the criminal case.
Who Makes DUI Arrests in Mountrail County
The Mountrail County Sheriff's Office and the agencies that report for New Town and Stanley make the DUI arrests in Mountrail County.
Together, the two agencies in Mountrail County with all twelve months of 2024 on file reported 164 arrests to the FBI that year, all offenses together; the FBI's count for Mountrail County does not break DUI out.
Booking After a DUI Arrest in Mountrail County
A driver arrested for DUI and kept in custody goes to the county jail, whichever agency made the arrest. The jail, run by the Mountrail County Sheriff's Office, held about 16 people on an average day in 2019 by the Vera Institute of Justice's count and has a jail page SearchSystems verified at co.mountrail.nd.us/pages/mountrail-county-correctional-center, phone 701-628-8900. The Mountrail County inmate search guide covers the jail in full.
The Court Case
The State's Attorney files the charge, and the case is heard in the Mountrail County District Court.
The State's Attorney's page SearchSystems verified is at co.mountrail.nd.us, phone 701-628-2965.
The court records page SearchSystems verified for the county is at co.mountrail.nd.us/subpage/39, phone (701)628-2225.
Statewide, North Dakota Courts Records Inquiry is the North Dakota courts' free statewide case search.
The License Case
A DUI arrest starts two cases: the criminal one above and an administrative one over the license, run by the Department of Transportation. The driving record, kept by the North Dakota Department of Transportation, carries the result of both.
The Records a DUI Leaves
- The arrest report: from the agency that made the arrest, under the North Dakota Open Records Law.
- The court file: from the Mountrail County District Court, kept by the Clerk of District Court.
- The driving record: from the North Dakota Department of Transportation.
More on each: Mountrail County arrest records, Mountrail County police reports and Mountrail County court records.
Frequently Asked Questions
What is the DUI limit in North Dakota?
0.08 percent blood alcohol.
Where is a DUI case from Mountrail County heard?
In the Mountrail County District Court, brought by the State's Attorney. The court records page SearchSystems verified for the county is at co.mountrail.nd.us/subpage/39.
Where is a person arrested for DUI in Mountrail County held?
At the county jail, run by the Mountrail County Sheriff's Office, if kept in custody.
Who handles the license after a DUI arrest in North Dakota?
The Department of Transportation, in an administrative case separate from the court case.
Is this the official Mountrail County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.