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Water-Year Summary for Site 07147800

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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
07147800 WALNUT RIVER AT WINFIELD, KS
LOCATION - Lat 37°13'27.85", long 96°59'44.48" referenced to North American Datum of 1983, in sec.33, T.32 S., R.4 E., Cowley County, KS, Hydrologic Unit 11030018, on left bank at upstream side of bridge on U.S. Highway 77, 1.0 mi south of Winfield, 1.0 mi upstream from Black Crook Creek, and at mile 25.4.
DRAINAGE AREA - 1,880 mi².
REVISIONS HISTORY - WSP 607: 1923(M). WDR KS-82-1: Drainage area. WSP 1241: 1922(M), 1923, 1926-27, 1928-29(M), 1934, 1940-41.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1921 to current year. October to November 1921 monthly discharge only, published in WSP 1311.
GAGE - Water-stage recorder. Datum of gage is 1,082.86 ft above NGVD of 1929 (U.S. Army Corps of Engineers bench mark). Prior to Oct. 1, 1934, nonrecording gage on upstream side of former bridge just upstream from present gage at same datum.
REMARKS - Some regulation at low flow by City Water Works Dam and Timber Creek Reservoir upstream from station. Flow moderately regulated since 1981 by El Dorado Lake (station 07146622). Satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD -

Flood of Apr. 17, 1945 reached a stage of 35.93 ft, discharge 60,600 cfs.

Flood of July 1, 1951 reached a stage of 37.80 ft, discharge 83,000 cfs.

Flood of May 6, 1961 reached a stage of 35.36 ft, discharge 57,600 cfs.

Flood of June 6, 1965 reached a stage of 35.97 ft, discharge 61,800 cfs.

Flood of June 10, 1979 reached a stage of 35.24 ft, discharge 56,500 cfs.

Flood of June 10, 1995 reached a stage of 37.30 ft, discharge 85, 800 cfs.

Flood of Nov. 2, 1998 reached a stage of 37.81 ft, discharge 96,100 cfs.

Flood of May 8, 2019 reached a stage of 36.72 ft, discharge 75,800 cfs.