Drainage summary
Columbia, Tennessee has a recorded population of 48,812. For drainage, the page currently shows stormwater segments: ~ 14, ditches and channels: ~ 11, low points: ~ 5, road shoulders: ~ 9, residents covered: 48,812. The figures use the available U.S. geography, population, housing and local-structure data for this place.
Calculated from U.S. geography, population and local structure. Public messages are moderated before publication.