LOCATION.--Lat 47° 49'21", long 116° 39'17"(Rev.)(NAD83), in NW1/4 NW1/4 SW1/4 sec.25, T.52 N., R.3 W., Kootenai County, Hayden Lake quad., Hydrologic Unit 17010305, Idaho Panhandle National Forests, on right bank just upstream from road crossing, 0.3 mi downstream from confluence of East Fork and North fork, 2.2 mi upstream from Hayden Lake, and 7.5 mi northeast of Hayden Lake Post Office.
DRAINAGE AREA.--22.0 mi2.
PERIOD OF RECORD.--April 1948 to December 1953, October 1958 to September 1959, September 1961 to September 1965 (annual maximum only), October 1965 to May 1997 (discontinued).
GAGE.--Water-stage recorder and a self-cleaning broad-crested concrete weir. Elevation of gage is 2,370 ft above NGVD of 1929, from topographic map. Apr. 22 to Nov. 1, 1948, nonrecording gage, and Nov. 2, 1948 to June 26, 1951, water-stage recorder at site 200 ft downstream, at datum 0.98 ft lower. June 27, 1951 to Dec. 4, 1953, Oct. 1 1958 to Sept. 30, water-stage recorder, Sept. 16, 1961 to Sept. 30, 1965, crest-stage gage, at datum 0.41 ft higher.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,280 ft3/s, Feb. 21, 1982,
gage height, 5.69 ft, present site and datum, from rating curve extended
above 365 ft3/s, on basis of slope-area measurement; maximum gage height,
5.71 ft, Mar. 20, 1997, backwater from debris on weir; minimum discharge,
1.7 ft3/s Aug. 19-20, 1977; minimum gage height, 2.24 ft, Jan. 5-8, 1991.