LOCATION.--Lat 43° 37'50", long 116° 00'07"(Rev.)(NAD83), in NW1/4 NE1/4 sec.5, T.3 N., R.4 E., Boise County, Robie Creek quad., Hydrologic Unit 17050112, on left bank at mile 0.5 and 5 mi northwest of Arrowrock Dam.

DRAINAGE AREA.--16.0 mi², revised. Mean elevation, 4,960 ft.

PERIOD OF RECORD.--October 1950 to September 1971 (discontinued). Published as "near Arrowrock", prior to October 1962.

GAGE.--Water-stage recorder and concrete control. Elevation of gage is 3,080 ft above NGVD of 1929, from topographic map.

REMARKS.--No diversions above station for irrigation.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 274 ft³/s Jan. 29, 1965, gage height, 3.07 ft; no flow on some days during summers of 1961, 1963, 1966-68.