Steven Sobieszczyk 2011 Fanno Creek is a tributary to the Tualatin River and flows though parts of the southwest Portland metropolitan area. The stream is heavily influenced by urban runoff and shows characteristic flashy streamflow and poor water quality commonly associated with urban streams. This data set represents the locations where solid samples were collected. application/pdf 10.3133/70046614 en U.S. Geological Survey Solid sample locations for Fanno Creek, Oregon reports