Drainage summary
Washington, Iowa has a recorded population of 7,281. For drainage, the page currently shows stormwater segments: ~ 2, ditches and channels: ~ 4, low points: ~ 2, road shoulders: ~ 1, residents covered: 7,281. 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.