This dataset contains spatial and attribute information of the Surface Water Quality Standards for the State of Washington, Chapter 173-201A WAC. Four views of the WQ Standard are contained in this dataset, Freshwater Beneficial Uses, Seasonal Supplemental Spawning and Egg Incubation Temperature Standards, rules designated in Table 602, and exceptions to Table 602 listed in the footnotes. If any discrepancies are found between GIS layers and the published rule, the published rule takes precedence. Updated April 2018.