Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-546 - Water resources management program - Entiat River basin water resource inventory area (WRIA) 46
Section 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
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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 |
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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. |
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Sec. 18, T.25 N., R.21 E.W.M. |
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Lat. 47°39'48" |
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Long. 120°14'58" NAD 27 |
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HUC 17020010 |
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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. |
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Sec. 27, T.27 N., R.19 E.W.M. |
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Lat. 47°49'07" |
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Long. 120°25'19" NAD 27 |
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HUC 17020010 |
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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. |
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Sec.19, T.26, R.20 E.W.M. |
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Lat. 47°44'13" |
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Long. 120°22'03" NAD 27 |
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HUC 17020010 |
Statutory Authority: Chapters 43.27A, 90.54, 90.22, and 90.82 RCW. 05-16-114 (Order 04-11), § 173-546-040, filed 8/3/05, effective 9/3/05.
