Drainage summary
Hawaii, United States has a recorded population of 1,446,146. For drainage, the page currently shows stormwater segments: ~ 60, ditches and channels: ~ 76, low points: ~ 32, road shoulders: ~ 40, residents covered: 1,446,146. 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.