Page Loading - Please Wait...
LOCATION.--Lat 42° 37'25", long 114° 31'58" (NAD27), in SW1/4 SW1/4 SW1/4 sec.24, T.9 S., R.16 E., Twin Falls County, Hydrologic Unit 17040212, Filer quad., on right bank 0.8 mi upstream from mouth, and 6 mi northwest of Twin Falls.
DRAINAGE AREA.--301.7 mi2, revised.
PERIOD OF RECORD.--July 1975 to December 1982 (discontinued).
GAGE.--Water-stage recorder. Elevation of gage is 3,150 ft above NGVD of 1929, from topographic map. Record obtained at site 2 mi upstream (sta# 13093000) 1922-47, 1983-90, not comparable, especially during irrigation season.
REMARKS.--Flow partially regulated by fish hatchery and irrigation waste flows above station. Many diversions above station for irrigation.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,120 ft3/s May 12, 1978,
gage height, 9.08 ft, from slope-area measurement after failure of irrigation
canal; minimum, 70 ft3/s Mar. 9, 1981, gage height, 3.35 ft.