Drainage summary
Pierce County, Washington has a recorded population of 941,170. For drainage, the page currently shows stormwater segments: ~ 661, ditches and channels: ~ 74, low points: ~ 31, road shoulders: ~ 440, residents covered: 941,170. 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.