Sewer summary
Spokane County, Washington has a recorded population of 555,947. For sewer, the page currently shows service connections: ~ 3,177, manhole zones: ~ 62, backup-risk points: ~ 21, wastewater routes: ~ 466, housing units: 226,917. 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.