Washington County/Johnson City Ems Could Eventually Take Over Ambulance Service In The Town Of Erwin. As Of Right Now, Details Of The Proposed Agreement Are Still Being Discussed. This Comes At A Time When Johnson City / Washington County And Sullivan County Ems Are Discussing A Possible Merger Of Ambulance Services With Ballad Health. In The Meantime, Medic one Will Continue Providing Service Under Its Agreement With Unicoi County.