Drainage summary
Thurston County, Washington has a recorded population of 302,912. For drainage, the page currently shows stormwater segments: ~ 286, ditches and channels: ~ 49, low points: ~ 20, road shoulders: ~ 191, residents covered: 302,912. 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.