The McKenzie County Sheriff's Office serves the citizens of McKenzie County, ND, providing law enforcement services such as patrol, criminal investigations, and law enforcement dispatching to ensure public safety and uphold the law. The McKenzie County Sheriff's Office (MCSO) provides law enforcement and public safety services to 2,800 square miles encompassing the cities of Watford City, Alexande
r, Arnegard, Grassy Butte, Cartwright, Fairview, and Keene. The county seat is Watford City and the MCSO, jail, and dispatch center is housed in the new state of the art McKenzie County Law Enforcement Center. The MCSO is a modern law enforcement agency utilizing the latest in technology to effectively investigate, deter, and apprehend criminals. Working with other city, state, and federal agencies that operate in the confines of the county, we dedicate ourselves 24/7/365 to ensure safety and security during this time of rapid growth and development that is being experienced by the Bakken oil formation.