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Water-Year Summary for Site 07249455

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Available Parameters
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2019
07249455 ARKANSAS RIVER NEAR FORT SMITH, AR
LOCATION - Lat 35°23'30", long 94°25'56" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.08, T.8 N., R.32 E., Sebastian County, AR, Hydrologic Unit 11110104, at U.S. Highway 64 bridge at Oklahoma and Arkansas state line, .7 mi downstream from Poteau River, 6.6 mi upstream from Lee Creek, 8.0 mi upstream from Arkansas River at Van Buren, and at mile 324.5.
DRAINAGE AREA - 145,940 mi² of which 16,285 mi² probably is noncontributing. 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.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1997 to current year. Some data collected prior to period of record and are available in the district office.
GAGE - Water-stage recorder. Datum of gage is 380.24 ft above NGVD of 1929. Flow regulated by W.D. Mayo Lock and Dam 14 upstream and J.W. Trimble Lock and Dam 13 downstream.
REMARKS -

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

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

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

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

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

All estimated records and flows below 3,000 ft³/s are considered poor unless noted otherwise.

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