LOCATION.--Lat 43° 50'59", long 111° 15'10"(Rev.)(NAD83), in NW1/4 SE1/4 NW1/4 sec.15, T.6 N., R.44 E., Teton County, ID, Tetonia quad., Hydrologic Unit 17040204, on right bank 1.75 mi downstream from highway bridge, 4 mi downstream from Packsaddle Creek, and 6 mi northwest of Tetonia.

DRAINAGE AREA.--471 mi².

PERIOD OF RECORD.--October 1929 to December 1932, May to September 1934, July to September 1935, July to September 1936, July to September 1937, May to September 1940, June 1941 to October 1957 (discontinued). Monthly discharge only (and/or estimated record) for some periods, published in WSP 1317. REVISED RECORD.--WSP 1217: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is 5,910.3 ft above NGVD of 1929, unadjusted. November 1941 to October 1957, supplemental staff gage at site 1.75 mi upstream.

REMARKS.--Many diversions for irrigation from tributaries above station.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,900 ft³/s June 28, 1945, gage height, 2.97 ft; minimum observed, 62 ft³/s Jan. 16, 17, 1943.