Location.--Latitude 46°51'46", Longitude
120°28'44", in SW 1/4 NW 1/4 Section 20, Township 16 North,
Range 19 East, in Kittitas County, Hydrologic Unit 17030001, on
right bank at Umtanum railway siding, 0.5 mile upstream from Umtanum
Creek, 4.2 miles upstream from McPherson Canyon, 10.0 miles south of
Ellensburg, and at river mile
1054.4. Drainage
area is 1,594 mi2. Datum of
gage is 1,300.00 feet above NGVD of 1929.
Maps.--Locate
this station on a
map of the basin (PDF).
Additional Data and Information.-- Latest shifted
rating.
Flood Stage.--The National Weather Service Flood
Stage for this station is 35.5 feet.
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