Drainage summary
Colusa County, California has a recorded population of 22,074. For drainage, the page currently shows stormwater segments: ~ 456, ditches and channels: ~ 61, low points: ~ 26, road shoulders: ~ 304, residents covered: 22,074. 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.