Drainage summary
Spokane County, Washington has a recorded population of 555,947. For drainage, the page currently shows stormwater segments: ~ 699, ditches and channels: ~ 76, low points: ~ 32, road shoulders: ~ 466, residents covered: 555,947. 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.