USGS Water-Year Summary 2021
14034608 WILLOW CREEK AT MORGAN STREET, AT HEPPNER, OR
LOCATION - Lat 45°21'41", long 119°33'33" referenced to North American Datum of 1927, Morrow County, OR, Hydrologic Unit 17070104, on right bank, 20 ft upstream from Morgan Street bridge in Heppner, 1.2 mi downstream from Willow Creek Dam, and at mile 51.2.
DRAINAGE AREA - 147 mi².
PERIOD OF RECORD - October 2007 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 1,910 ft above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 892 ft³/s June 2, 2011, gage height, 7.21 ft; minimum discharge, 0.33 ft³/s Sept. 27, 2018.