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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
13132513 INL DIVERSION AT HEAD NEAR ARCO, ID
LOCATION - Lat 43°30'49", long 113°05'02" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 sec.11, T.2 N., R.28 E., Butte County, ID, Hydrologic Unit 17040218, Arco Hills SE quad., on left bank, 0.05 mi south of head of INL diversion, 0.4 mi north of intersection of gravel road from Highway 20-26 with road on top of dike, and 13.2 mi southeast of Arco.
SURFACE-WATER RECORDS
PERIOD OF RECORD - 1965-68 (discharge measurements only); July 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 5,003.050 feet above NAVD 1988 (USGS).
REMARKS - Flow is regulated by Mackay Reservoir (see station 13126000) and is diverted from the Big Lost River for purposes of flood control at the Idaho National Laboratory facilities.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 1,290 ft³/s June 9, 1986; no flow for long periods many years.
