A state arbitrator’s ruling has ended a two-year contract impasse between sworn McHenry County sheriff’s deputies and the County Board.

The Dec. 27 ruling splits the difference in the unresolved issues, siding with the Fraternal Order of Police on wages and with the county on lowering accrued compensatory time.

The FOP Unit 1, representing about 100 patrol officers and detectives, has been without a contract since Dec. 1, 2010. It is one of three FOP units representing sheriff’s employees – the other two represent correctional officers and civilian staff.