The Surgoinsville Volunteer Fire Department Has Joined Elite Company After Being Awarded An Iso Rating Of “4/4y” For All Property Located Within The City Limits. The City’s New ISO Rating Takes Effect April First, Improving On The Previous Rating Of “6.” ISO Inspections Rate The Effectiveness Of Fire Departments On A Scale Of 1-10, With 10 Being The Worst Possible Score. Surgoinsville Is Now In The Top Eight Percent Of All 990 Tennessee Fire Departments With Regards To ISO Ratings.