USGS Water-Year Summary 2020
13240000 LAKE FORK PAYETTE RIVER ABOVE JUMBO CREEK, NEAR MCCALL, ID
LOCATION - Lat 44°54'49", long 115°59'50" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 NW 1/4 sec.08, T.18 N., R.4 E., Valley County, ID, Hydrologic Unit 17050123, Fitsum Summit quad., on right bank, 100 ft upstream from abandoned powerplant, 0.2 mi upstream from Jumbo Creek, 3.5 mi upstream from Lake Fork Reservoir dam, 5.5 mi east of McCall, and at mile 21.0.
DRAINAGE AREA - 48.9 mi².
PERIOD OF RECORD - October 1945 to September 2017. April 2018 to current year (seasonal records only).
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage datum is arbitrary. Prior to Nov. 10, 1945, non recording gage at site 200 ft downstream at different datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 18,000 ft³/s June 4, 2010 on basis of slope-area measurement (Browns Pond dam failure); minimum, 0.82 ft³/s Sept. 7, 1994.
Maximum discharge excluding 2010, 2,770 ft³/s June 21, 1971, gage height, 9.15 ft, from rating curve extended above 1,200 ft³/s.