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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
07195400 ILLINOIS RIVER AT HWY 16 NEAR SILOAM SPRINGS, AR
LOCATION - Lat 36°08'41", long 94°29'41" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 sec.15, T.17 N., R.33 W., Benton County, AR, Hydrologic Unit 11110103, at bridge on State Hwy 16, 8.2 mi downstream from Osage Creek, and 4.6 mi southeast of Siloam Springs.
DRAINAGE AREA - 509 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Jul 1979 to Dec 1981, Oct 1985 to Sep 1986, and Oct 2002 to current year.
GAGE - Water-stage recorder. Datum of gage is 933.07 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000), GEOID18).
Prior to May 17, 2022 no datum was assigned.
