LOCATION.--Lat 46° 05'12", long 115° 30'50"
(NAD83), in NW1/4 SE1/4 NE1/4 sec.25, T.32 N., R.7 E., Idaho County,
Goddard Point quad., Hydrologic Unit 17060302, Nez Perce National
Forest, on right bank 0.2 mi upstream from O'Hara Creek, 7 mi
upstream from Lowell, 7.6 mi upstream from confluence with Lochsa
River, and 105.2 mi upstream from mouth of Clearwater River.
DRAINAGE AREA.--1,915 mi². Mean elevation, 5,640 ft.
PERIOD OF RECORD.--April 1911 to September 1912 (gage heights or
fragmentary discharge records only), October 1929 to current year.
Monthly discharge only for October 1929, published in WSP 1317.
REVISED RECORDS.--WSP 1043: Drainage area. WDR-US-2010: Drainage
area.
GAGE.--Water-stage recorder and crest-stage gage. Elevation of
gage is 1,540 ft above NGVD of 1929, from river-profile map. Apr. 11
to Sept. 2, 1911, recording gage at site 2 mi downstream at different
datum. Feb. 7 to Sept. 22, 1912, and Oct. 14 to Nov. 19, 1930,
nonrecording gages at nearby sites at different datums.
REMARKS.--Small diversions from headwaters.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 48,900 ft³/s
May 29, 1948, gage height, 16.04 ft; minimum discharge, probably less
than 100 ft³/s Jan. 8, 1937, during period of ice effect.