USGS Water-Year Summary for Site 07146500

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

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

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USGS Water-Year Summary 2023

07146500 ARKANSAS RIVER AT ARKANSAS CITY, KS

LOCATION - Lat 37°02'15.03", long 97°02'21.19" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 NW 1/4 sec.06, T.35 S., R.4 E., Cowley County, KS, Hydrologic Unit 11030013, on left bank at downstream side of bridge on U.S. Highway 166, 0.5 mi west of Arkansas City, 5.4 mi upstream from Walnut River, and at mile 701.4

DRAINAGE AREA - 43,713 mi² of which 7,607 mi² probably is noncontributing.

REVISIONS HISTORY - WSP 1311: 1905. WSP 1341: 1922-23, 1927, 1929, 1931, 1933, 1940, 1945-46(M), drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - September 1902 to September 1906, September 1921 to current year. Published as "near Arkansas City" 1903-04. Monthly discharge only for some periods, published in WSP 1311.

GAGE - Water-stage recorder. Datum of gage is 1,050.04 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Sept. 23, 1902, to July 31, 1906, nonrecording gage at site 0.5 mi upstream at datum 9.5 ft higher. Sept. 10, 1921, to Sept 27, 1929, nonrecording gage and Sept. 28, 1929, to Aug. 28, 1956, water-stage recorder at site 0.5 mi upstream at datum 2.97 ft higher than present datum.

REMARKS - Flow slightly regulated since 1948 by John Martin Reservoir (station 07130000), and since 1964 by Cheney Reservoir (station 07144790). Diversions upstream from station for irrigation. Satellite telemeter at station.

EXTREMES FOR PERIOD OF RECORD -

At the US-166 site:

Flood of Oct. 12, 1985: Stage of 26.10 ft and an estimated discharge of 85,200 cfs.

Flood of May 11, 1993: Stage of 27.62 ft, discharge 78,600 cfs.

Flood of Nov. 3, 1998: Stage of 28.89 ft, discharge 97,400 cfs.

At the US-77 site:

Flood of May 28, 2019: Stage of 20.48 ft, discharge 67,500 cfs