The Montgomery County Sheriff’s Office reports the arrest of an Omaha man on a drug charge on Friday. At 8:41pm deputies arrested 36-year-old William Glen Porterfield of Omaha in the 1300 block of Highway 34.  Porterfield was charged with Possession of a Controlled Substance and transported to the Montgomery County Jail and held on $1,000 bond.  The Montgomery County K-9 unit assisted in the investigation.