This file lists random sites sampled by the Department of Ecology's Watershed Health Monitoring program during 2009-2016. The list is limited to those sites known to be occupied by salmon or trout at some time during the year. It also shows percentage of the stream network represented by the site and whether the observed sediment on the surface of the stream bottom exceeded levels estimated to be optimum for sediment-sensitive salmonids.
Average percent of "pebble count" stations that are of sand or smaller size. Data are from Watershed Health Monitoring surveys conducted by the Department of Ecology during 2009-2019. Data from Recovery Regions are intended for the 2020 State of the Salmon Report. Reference the metric "PCT_SandFines" in the Watershed Health database. The reference category is based on Table 2 of Bryce et al (2010) J. N. Am. Benthol. Soc., 2010, 29(2):657–672 plus 5.5% for adjustment to bankfull channel rather than wetted.