USGS Water-Year Summary for Site 07194500

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

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USGS Water-Year Summary 2023

07194500 ARKANSAS RIVER NEAR MUSKOGEE, OK

LOCATION - Lat 35°46'10", long 95°17'49" referenced to North American Datum of 1927, Muskogee County, OK, Hydrologic Unit 11110102, on downstream side of left pier of bridge on U.S. Highway 62, 1.7 miles downstream from Neosho River, 3.5 miles northeast of Muskogee, and at mile 457.8.

DRAINAGE AREA - 96,472 mi² of which 11,648 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 - October 1926 to September 1970, July 2003 to current year. Published as "at Webbers Falls" October 1933 to February 1935. Monthly discharge only for some periods, published in WSP 1311.

GAGE - Water-stage recorder. Current datum in use is 471.67 NAVD88. Current datum determined by a GNSS Level II REF FRAME: NAD_83(2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2022.6432)[NAVD88 (Computed using GEOID18)] Tied to locally set GNSS hub. Prior to 10/01/2022 datum in use was 471.38 NGVD29. See WSP 1921 for history of changes prior to Feb. 21, 1931. Some regulation since 1940 by Grand Lake; further regulation since 1941 by Great Salt Plains Lake and since 1951 by Hulah Lake. Flow regulated since 1953 by Fort Gibson Lake (station 07193000). Flow regulated since September 1964 by Keystone Lake (station 07164200). Flow regulated by Chouteau Lock and Dam upstream and Webbers Falls Lock and Dam downstream since 1970.

REMARKS -

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

EXTREMES FOR PERIOD OF RECORD - Maximum discharge for period of record, 700,000 cubic feet per second, May 21, 1943. Maximum gage height for period of record, 48.20 ft, May 21, 1943.

AVERAGE DISCHARGE FOR PERIOD OF RECORD - Prior gage operation, water years 1926-70, 19,520 cubic feet per second.