GREAT FALLS, Mont. -

A Cascade County sheriff's deputy who has been honored for his work in preventing drunk driving has lost his job after being charged with driving under the influence.

Human Resources Director Dewey Goering tells the Great Falls Tribune that as of April 10, Matt Darlington was no longer employed by the county. He was initially placed on paid administrative leave.

Court records say Darlington was pulled over by a Great Falls police officer shortly before midnight on March 28. He was off duty at the time. He pleaded not guilty to during a March 31 Municipal Court hearing.

No phone listing could be found for Darlington, who was honored for his work by the Cascade County DUI Task Force in 2009 and 2010.