Law Enforcement Agencies in Watervale, MD MD › Harford County Agencies serving the city of Watervale in MD. Agency Types in Watervale County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies State Police 3 agencies All Agencies in Watervale, MD Bel Air Police Department Harford County Harford County Detention Center Harford County Harford County Sheriffs Office Harford County Maryland State Police Harford County Maryland State Police Harford County Maryland State Police Harford County
