A Drug Take-Back Event Is Set For This Weekend In Greeneville. Anyone Can Bring Unused Prescription And Over-The-Counter Medications To The Greeneville Water Department On North Main Street For Safe Disposal. The Event Is Aimed At Preventing Overdoses, While Keeping Medications From Being Flushed Into Waterways Where They Can Be Harmful To The Environment. The Drug Take-Back Event Will Run From 10 Am To 2 Pm On Saturday.