months, stage and discharge may be affected by ice in the
channel. Data values reported on these pages may be
significantly higher or lower than the actual streamflow.
Adjustments to the data will be done after detailed analyses.
Ice affected values identified on graphs (•) may be viewed by choosing the table
output format. If you have questions about these values,
please contact the
Idaho Water Data Maintainer.
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
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.
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.