USGS Water-Year Summary 2024
07311900 Wichita River near Seymour, TX
LOCATION - Lat 33°42'01", long 99°23'18" referenced to North American Datum of 1927, Baylor County, TX, Hydrologic Unit 11130206, on left bank at downstream side of bridge on Farm Road 1919, 6.0 mi upstream from the head of Lake Kemp (station 07312000), 10.0 mi downstream from the confluence of the North and South Forks of the Wichita River, and 10.5 mi northwest of Seymour.
DRAINAGE AREA - 1,874 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1952 to Sept. 1957 (miscellaneous low-flow measurements made 4.0 mi downstream), Dec. 1959 to Sept. 1979, Oct. 1996 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,152.7 ft above NGVD of 1929. Satellite telemeter at station.
WATER-QUALITY RECORDS
PERIOD OF RECORD - CHEMICAL DATA: July 1966 to July. 1979, Oct. 1996 to May 2007. July 2009 to Jan. 3, 2012.
BIOCHEMICAL DATA: Sept. 1966 to Oct., 1970, Oct. 1996 to May 2007, July 2009 to Jan. 3, 2012.
PESTICIDE DATA: Oct. 1996 to May 2007. July 2009 to July 2009 to Oct. 9, 2011.
SEDIMENT DATA: May 1977 to Aug. 1979.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Oct. 1967 to Sept. 1979, Oct. 1996 to Sept. 2011, Oct. 2012 to Sept. 2014 (discontinued).
WATER TEMPERATURE: Oct. 1967 to Sept. 1979, Oct. 1996 to Sept. 2011, Oct 2012 to Sept. 2014 (discontinued).
INSTRUMENTATION - Water-quality monitor Aug. 1968 to Sept. 1979, Oct. 1996 to Sept. 2011, Oct. 2012 to Sept. 2014 (discontinued).
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 31,800 microsiemens/cm, May 14, 2013; minimum, 68 microsiemens/cm, Sept. 11, 2006.
WATER TEMPERATURE: Maximum, 39.4°C, July 13-14, 1998, July 22, 2005; minimum, -1.1°C, Dec. 9-10, 2009 and Jan. 7-11, 2010.