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Water-Year Summary for Site 07072000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2020: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2020
07072000 ELEVEN POINT RIVER NEAR RAVENDEN SPRINGS, AR
LOCATION - Lat 36°20'47", long 91°06'51" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 sec.30, T.20 N., R.1 W., Randolph County, AR, Hydrologic Unit 11010011, on right bank at upstream side of bridge on State Hwy 90, 0.9 mi downstream from Hincha Creek, 1.9 mi upstream from Eassis Creek, 6.6 mi northeast of Ravenden Springs, and at river mile 21.2.
DRAINAGE AREA - 1,130 mi².
REVISIONS HISTORY - WSP 877: 1930 to 1933, 1936 to 1938. WSP 977: 1933, 1937 to 1939, 1942. WDR Ark. 1973: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct 1929 to Sep 1933, Oct 1935 to Oct 1994, Mar 1995, and Oct 2000 to current year. Annual maximum water years 1995 to 2000. Prior to Oct 1949, published as "near Elevenpoint." Monthly discharge only for some periods, published in WSP 1311.
GAGE - Water-stage recorder. Datum of gage is 291.98 ft above NGVD of 1929. Prior to Nov 21, 1938, nonrecording gage at present site at datum 0.04 ft higher. Nov 21 to Dec 11, 1938, nonrecording gage at present site and datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 162,000 ft³/s Dec 3, 1982 from rating curve extended above 23,000 ft³/s on basis of contracted-opening and flow-over-road measurement of peak flow. Maximum peak stage 29.06 ft Dec 3, 1982 from floodmarks.