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Water-Year Summary for Site 07339000

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Available Parameters
00060 Discharge(Mean)  

Water year 2018: 2018-10-01 to 2019-09-30
 

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USGS Water-Year Summary 2018
07339000 MOUNTAIN FORK NEAR EAGLETOWN, OK
LOCATION - Lat 34°02'30", long 94°37'11" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 SE 1/4 sec.07, T.6 S., R.26 E., McCurtain County, OK, Hydrologic Unit 11140108, on right downstream bank on U.S. Highway 70, 2.0 mi west of Eagletown, 10.7 mi downstream from Broken Bow Dam, and at mile 8.9.
DRAINAGE AREA - 800 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 - WSP 1211: Drainage area. WSP 1241: 1924-26, 1930 (M), 1936-37 (M), 1938, 1939 (M) 1942 (M). 2012: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1924 to December 1925, October 1929 to current year. Published as Mountain Fork River near Broken Bow 1924-25 and as Mountain Fork River near Eagletown 1929-60. Monthly discharge only for some periods, published in WSP 1311.
GAGE - Water-stage recorder. Datum of gage is 333.87 ft above NGVD of 1929. See WSP 1920 for history of changes prior to July 23, 1950.
REMARKS - 10/01/2013 - 09/30/2014: records good. 10/01/2014 - 09/30/2015: records good. 10/01/2015 - 09/30/2016: records good. 10/01/2016 - 09/30/2017: records good. Flow completely regulated except for 33 mi² intervening area, since October 1968 by Broken Bow Lake (station 07338900).
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Aug. 18-19, 1915, reached a stage of 26.4 ft, from information provided by local resident, discharge, 92,500 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge for period of record, 101,000 ft³/s, May 20, 1960, from rating curve extended above 65,000 ft³/s. Maximum gage-height for period of record, 26.73 ft, May 20, 1960.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - Water years 1925, 1930-68, 1,291 ft³/s.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1948, 1955, 1961-1963, October 1992 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 1947 to September 1948, November 1960 to September 1963. WATER TEMPERATURE: October 1947 to September 1948, March to September 1955, November 1960 to September 1963, October 1992 to current year.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum daily, 128 microsiemens Nov. 19, 1947; minimum daily, 21 microsiemens Jan. 1, 1948. WATER TEMPERATURE: Maximum daily, 34.5°C July 29, 1955; minimum daily, 0.0°C several days in winter months.