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Water-Year Summary for Site 07196090

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 

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USGS Water-Year Summary 2023
07196090 ILLINOIS RIVER AT CHEWEY, OK
LOCATION - Lat 36°06'15", long 94°46'57" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.19, T.19 N., R.24 E., Adair County, OK, Hydrologic Unit 11110103, near downstream right abutment of Hampton Bridge, 0.85 mi west of Chewey, OK.
DRAINAGE AREA - 825 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. 

Revisions: Gage height and discharge for the period Aug 9, 2023, to Oct. 18, 2023, were revised on Mar. 7, 2024, based on changes to the gage height data.

SURFACE-WATER RECORDS
PERIOD OF RECORD - 1996 to July 2010(Discharge measurements only). July 2010 to current year.
GAGE - Water-stage recorder. Current datum in use is 800.91 NAVD88. Current datum determined by a GNSS Level II REF FRAME: NAD_83(2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2022.6814)[NAVD88 (Computed using GEOID18)] Tied to locally set GNSS hub. Prior to 10/01/2022 datum in use was 800.88 NAVD88.  
REMARKS -

Quality of data for all periods can be obtained by contacting the Oklahoma-Texas Water Science Center. 

Estimated periods are considered poor unless otherwise noted.

WATER-QUALITY RECORDS
PERIOD OF RECORD - July 1996 to current year.
REMARKS - Samples collected periodically by the United States Geological Survey. Specific conductance, pH, water temperature, dissolved oxygen, and turbidity were determined in the field.