WAC 173-546-040. Establishment of stream management units

The department hereby establishes the following stream management units. The boundaries of the management units are shown on the map in WAC 173-546-150 . Stream Management Unit Information Stream Management Unit Name Control Station Gauge # Control Station by River Mile (RM); Section, Township and Range; Latitude (Lat.) and Longitude (Long.); Hydrologic Unit Code (HUC) Stream Management Reach Description USGS Gauge #12452990 Entiat River near Entiat, WA. ("Keystone Gauge") (Lower Entiat) River Mile 1.4 From the confluence of the Entiat and Columbia rivers to the terminal glacial moraine at RM 16.2, including all tributaries except the Mad River. Sec. 18, T.25 N., R.21 E.W.M. Lat. 47°39'48" Long. 120°14'58" NAD 27 HUC 17020010 USGS Gauge #12452800 Entiat River near Ardenvoir, WA (Upper Entiat) River Mile 18 From the terminal glacial moraine at RM 16.2, to the Entiat River headwaters, including all tributaries. Sec. 27, T.27 N., R.19 E.W.M. Lat. 47°49'07" Long. 120°25'19" NAD 27 HUC 17020010 USGS Gauge #12452890, Mad River at Ardenvoir River Mile 0.35 From the confluence of the Mad River with the Entiat River to the Mad River headwaters, including all tributaries. Sec.19, T.26, R.20 E.W.M. Lat. 47°44'13" Long. 120°22'03" NAD 27 HUC 17020010 Stream Management Unit Name Control Station Gauge # Control Station by River Mile (RM); Section, Township and Range; Latitude (Lat.) and Longitude (Long.); Hydrologic Unit Code (HUC) Stream Management Reach Description USGS Gauge #12452990 Entiat River near Entiat, WA. ("Keystone Gauge") (Lower Entiat) River Mile 1.4 From the confluence of the Entiat and Columbia rivers to the terminal glacial moraine at RM 16.2, including all tributaries except the Mad River. Sec. 18, T.25 N., R.21 E.W.M. Lat. 47°39'48" Long. 120°14'58" NAD 27 HUC 17020010 USGS Gauge #12452800 Entiat River near Ardenvoir, WA (Upper Entiat) River Mile 18 From the terminal glacial moraine at RM 16.2, to the Entiat River headwaters, including all tributaries. Sec. 27, T.27 N., R.19 E.W.M. Lat. 47°49'07" Long. 120°25'19" NAD 27 HUC 17020010 USGS Gauge #12452890, Mad River at Ardenvoir River Mile 0.35 From the confluence of the Mad River with the Entiat River to the Mad River headwaters, including all tributaries. Sec.19, T.26, R.20 E.W.M. Lat. 47°44'13" Long. 120°22'03" NAD 27 HUC 17020010