Sewer summary
Washington, United States has a recorded population of 7,958,180. For sewer, the page currently shows service connections: ~ 45,475, manhole zones: ~ 876, backup-risk points: ~ 302, wastewater routes: ~ 94, housing units: 3,248,237. 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.