Drainage summary
Centralia, Washington has a recorded population of 19,061. For drainage, the page currently shows stormwater segments: ~ 3, ditches and channels: ~ 5, low points: ~ 2, road shoulders: ~ 2, residents covered: 19,061. 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.