(SPRINGFIELD)—An August trial date is set for a former Adams County Probation Officer and drug court head.  59-year-old John Grotts of Ursa goes on trial August 6th in federal court. Grotts faces up to 20 years in federal prison if convicted on charges from a methamphetamine investigation. He’s accused of possession of meth and marijuana at his residence in the 200 block of Walker in Ursa.