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LOCATION.--Lat 44° 34'46", long 116° 38'36"(NAD83), in SW1/4 SW1/4 NE1/4 sec.1,
T.14 N., R.3 W., Washington County, Hydrologic Unit 17050124, on left bank
0.2 mi downstream from new road bridge, 2.2 mi northeast of Cambridge, 2.5 mi
upstream from Rush Creek, and at mile 48.6.
DRAINAGE AREA.--605 mi2. Mean elevation, 4,650 ft.
PERIOD OF RECORD.--March 1939 to current year.
REVISED RECORDS.--WDR ID 1971: 1970(M).
GAGE.--Elevation of gage is 2,650 ft above NGVD of 1929, from topographic map.
Prior to Apr. 23, 1939, nonrecording gage at site 665 ft upstream at different
datum. Apr. 23, 1939 to Dec. 21, 1955 at site 665 ft upstream at different datum.
Dec. 22, 1955 to Aug. 28, 1956, nonrecording gage at Highway 95 bridge 2.3 mi
downstream at different datum. Aug. 29, 1956 to Aug. 19, 1966, at site 900 ft
upstream at datum of 2,652.00 ft; Aug. 20, 1966 to July 7, 1977 at site 900 ft
upstream at datum of 2,650.00 ft; July 8, 1977 to June 6, 2001 at site 900 ft
upstream at datum of 2,647.00 ft.
REMARKS.--Flow regulated to some extent by Lost Valley Reservoir about 57 mi
upstream, capacity reported to be 11,000 acre-ft, and other smaller reservoirs.
Diversions above station for irrigation of about 12,200 acres (1966 determination).
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 22,800 ft3/s Jan. 1, 1997,
on basis of slope-area measurement; minimum, 7.1 ft3/s Aug. 21-24, 1977,
gage height, 2.23 ft.
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