Suspended Sediment

The USGS Water Resources Mission Area is assessing how much water is available for human and ecological needs in the United States and identifying where and when the Nation may have challenges meeting its demand for water. This information helps decision makers manage and distribute water in ways that balance competing needs. Due to its complex and competing water demands, ecological significance...

The United States Geological Survey (USGS) is evaluating how the newly restored meandering channel on Chicken Creek affects sediment transport within the Tualatin River National Wildlife Refuge.