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Water-Year Summary for Site 07198000

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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
07198000 ILLINOIS RIVER NEAR GORE, OK
LOCATION - Lat 35°34'23", long 95°04'07" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.27, T.13 N., R.21 E., Sequoyah County, OK, Hydrologic Unit 11110103, on right bank 4.2 mi downstream from Tenkiller Ferry Dam, 4.5 mi northeast of Gore, and at mile 8.5.
DRAINAGE AREA - 1,615 mi². From automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.
REVISIONS HISTORY - WDR 2012: Drainage area. Revised Periods: Web-online only, temperature data April 26, 2012 to May 9, 2012.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1924 to April 1926, April 1939 to current year. Monthly discharge only for some periods, published in WSP 1311.
GAGE - Water-stage recorder. U.S. Army Corps of Engineers' satellite telemeter at station. Datum of gage is 468.00 ft above NGVD of 1929. See WSP 1921 for history of changes prior to Feb. 19, 1952. Feb. 19, 1952 to Aug. 15, 1989, gage at same site and datum 5.00 ft higher. 16 mile sq. intervening area, flow completely regulated since July 1952 by Tenkiller Ferry Lake.
REMARKS -

10/01/2013 to 09/30/2014 record rated fair.

10/01/2014 to 09/30/2015 record rated fair.

10/01/2015 to 09/30/2016 record rated fair.

10/01/2016 to 09/30/2017 record rated fair. 

10/01/2017 to 09/30/2018 record rated fair. 

All estimated records are considered poor unless noted otherwise.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 180,000 ft³/s, May 11, 1950, from rating curve extended above 42,000 ft³/s by velocity area. Maximum gage height, 34.6 ft, May 11, 1950, from floodmark, present site and datum.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 1947 to September 1948, December 1951 to March 1952, October 1953 to September 1999 (discontinued).
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 1947 to September 1948, October 1953 to September 1963. WATER TEMPERATURE: October 1947 to September 1948, October 1953 to September 1963, October 1992 to September 1999(discontinued). October 2010 to current year. DISSOLVED OXYGEN July 2011 to current year.
INSTRUMENTATION - YSI 6600 EDS-M sonde (water temperature and dissolved oxygen) located on a gaging platform constructed over rivers edge. It provides attachment for the orifice and water quality sonde.
REMARKS - Prior to October 1992 records of continuous water temperature were collected 4.2 mi upstream. Interruptions in record were due to malfunction of recording instrument.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum daily 396 microsiemens, Aug. 12, 1956; minimum daily 123 microsiemens, July 14, 1957. WATER TEMPERATURE: Maximum 26.28°C, May 22, 2017; minimum 0.2°C Mar. 2-3, 2014. DISSOLVED OXYGEN: Maximum recorded 18.1 mg/L, April 30, 2015; minimum recorded 0.8 mg/L, Oct. 4, 12, 13, 20, 2013.