Sewer summary
Seattle, Washington has a recorded population of 780,995. For sewer, the page currently shows service connections: ~ 4,463, manhole zones: ~ 86, backup-risk points: ~ 30, wastewater routes: ~ 22, housing units: 318,773. 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.