USGS Water-Year Summary 2020
07144300 ARKANSAS RIVER AT WICHITA, KS
LOCATION - Lat 37°38'36", long 97°20'06" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 SE 1/4 sec.05, T.28 S., R.1 E., Sedgwick County, KS, Hydrologic Unit 11030013, on right bank at downstream side of bridge on Broadway Street in Wichita, 3.7 mi downstream from mouth of Little Arkansas River and at mile 759.7. Big Slough-Cowskin Floodway gage is in sec.11, T.27 S., R.1 W., Sedgwick County, on right bank at downstream side of bridge on Zoo Boulevard in Wichita, 1.0 mi downstream from control structure, and 6.5 mi northwest of Broadway Street gage.
DRAINAGE AREA - 40,490 mi² of which 7,263 mi² probably is noncontributing.
- WSP 1241: 1940, 1944. WSP 1341: Drainage area.
PERIOD OF RECORD - July 1934 to current year. Gage-height records collected at site 3.2 mi upstream since 1897 are contained in reports of U.S. Weather Bureau.
GAGE - River gage is water-stage recorder. Datum of river gage is 1,262.42 ft above NGVD of 1929. Prior to Oct. 1, 1985, at datum 5.00 ft higher than present datum. See WSP 1921 for history of changes prior to Oct. 1, 1968. Floodway gage is water-stage recorder. Datum of floodway gage is 1,300.00 ft above NGVD of 1929 (levels by Wichita-Valley Center Flood Control Project).
EXTREMES OUTSIDE PERIOD OF RECORD - Floods of May 18, 1877, and July 8, 1904, reached stages of 21 ft and 20.3 ft, respectively, river gage site and datum then in use (from reports of U.S. Weather Bureau).