The Sarpy County Sheriff's Department is responsible for enforcing the law within the unincorporated areas of the county. By contract, the department is also responsible for enforcing the law within the city limits of Gretna and Springfield. The cities of Bellevue, La Vista, and Papillion have their own City Police Departments which are primarily responsible for law enforcement within their respective city limits. The Sheriff's Department has secondary responsibility for law enforcement within these three cities, providing essentials such as backup support.