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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
07195430 ILLINOIS RIVER SOUTH OF SILOAM SPRINGS, AR
LOCATION - Lat 36°06'31", long 94°32'00" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 sec.31, T.17 N., R.33 W., Benton County, AR, Hydrologic Unit 11110103, at bridge on State Hwy 59, 5.0 mi south of Siloam Springs, and 0.6 mi downstream from mouth of Cincinnati Creek.
DRAINAGE AREA - 575 mi².
REVISIONS HISTORY - WDR Arkansas 1997: 1996.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Aug 1995 to current year. Occasional low-flow measurements in 1971.
GAGE -
Water-stage recorder. Datum of gage is 913.137 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18).
Prior to February 2019 datum of gage was unassigned.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Jun 1995 to current year.
