How Would You Like To Receive Emergency Alerts And Other Public Alerts On Your Cell Phone For Your Community In Kingsport And Sullivan County? The Kingsport Emergency Communication District And Sullivan County 911 Has A System In Place To Help Notify You Of Emegencies And Hazards In The Area. Public Works Also Uses The System To Notify Customers Of Changes In Their Services Such As Scheduled Water Outages Or Upcoming Line Repairs. To Sign Up, Log Onto Kingsporttn-Dot-Gov.