Model Archive Summary for Suspended-Sediment Concentration at USGS site 11502500, Williamson River below Sprague River near Chiloquin, OR

This model archive summary (MAS) is a model update to an existing log-transformed turbidity-suspended sediment concentration (SSC) regression model computing SSC for water year (WY) 2008-2017. This model supersedes all models prior to Oct 1, 2017 and includes a new model for WY 2018-2020. The methods used follow USGS guidance as referenced in Office of Surface Water (OSW)/Office of Water Quality (OWQ) technical memoranda 2016.07 and USGS techniques and methods, book 3-chapter C4 (Rasmussen and others, 2009).