USGS Water-Year Summary 2020
13132520 BIG LOST RIVER BELOW INL DIVERSION NEAR ARCO, ID
LOCATION - Lat 43°30'57.00", long 113°04'55.00" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 NE 1/4 sec.11, T.2 N., R.28 E., Butte County, ID, Hydrologic Unit 17040218, Arco Hills SE quad., on right bank, 0.2 mi north of the head of the INL diversion, 4.5 mi south of State Highway 20-26 bridge over the Big Lost River, and 13.2 mi southeast of Arco.
PERIOD OF RECORD - 1965-68 (discharge measurements only); June 1984 to September 2012; March to August 2013); April 2014 to current year (seasonal records only).
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 5,000.00 ft above NGVD 1929, (levels by U.S. Geological Survey).
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 468 ft³/s June 13, 1997; no flow on many days, each year.