LOCATION.--Lat 42° 39'13", long 114° 39'15"(Rev.)(NAD83), in SE1/4 SE1/4 SE1/4 sec.11, T.9 S., R.15 E., Twin Falls County, ID, Hydrologic Unit 17040212, Niagara Springs quad., 0.05 mi southwest from county road, 0.9 mi upstream from mouth, and 6.5 mi northwest of Filer.
PERIOD OF RECORD.--April 1985 to October 1991 (discontinued). Records for July 1955 to July 1958 and October 1979 to September 1981, at site 2.75 mi upstream (sta 13093500), are not equivalent due to inflow between sites.
GAGE.--Water-stage recorder. Datum of gage is 3,032.48 ft above NGVD of 1929. Apr. 1985 to Mar. 21, 1986, at site 600 ft upstream at different datum.
REMARKS.--Numerous regulations by powerplant upstream.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 494 ft3/s May 7, 1988,
gage height 6.62 ft; minimum, 11 ft3/s Mar. 28, 1988, gage height, 4.62 ft.