USGS Water-Year Summary 2024
06893350 TOMAHAWK CREEK NEAR OVERLAND PARK, KS
LOCATION - Lat 38°54'22", long 94°38'24" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 NW 1/4 sec.21, T.13 S., R.25 E., Johnson County, KS, Hydrologic Unit 10300101, on left bank at upstream side of bridge on Roe Avenue and at mile 1.64.
DRAINAGE AREA - 20.5 mi². revised. (Area at site used prior to Apr. 10, 2014, 23.90 mi², revised.)
REVISIONS HISTORY - WDR KS-74-1: 1974(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Annual maximum, water years 1970-74. October 1974 to September 1982. July 2011 to current year.
GAGE - Water-stage recorder. Datum of gage is 850.44 ft above NAVD of 1988. Prior to Oct. 1, 1974, crest-stage gage at same site and datum. Prior to Apr. 10, 2014, gage at site 0.75 mi downstream and at datum 6.11 ft lower.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,250 cfs Aug. 13, 1982, gage height, 19.17 ft.
WATER-QUALITY RECORDS
PERIOD OF RECORD - May 2011 to August 2013 (discontinued).
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: May 2011 to August 2013 (discontinued).
pH: May 2011 to August 2013 (discontinued).
WATER TEMPERATURE: May 2011 to August 2013 (discontinued).
DISSOLVED OXYGEN (Lumin): May 2011 to August 2013 (discontinued).
TURBIDITY (YSI 6136 sensor): May 2011 to August 2013 (discontinued).
INSTRUMENTATION - Multiparameter water-quality monitor.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 6,050 microsiemens/cm, Jan. 2, 2013; minimum, 132 microsiemens/cm, May 6, 2012.
pH: Maximum, 8.7 standard units, July 29, 2013; minimum, 7.1 standard units, Aug. 1, 2012.
WATER TEMPERATURE: Maximum, 34.4°C, July 18, 2011; minimum, -0.2°C, Feb. 26, 2013.
DISSOLVED OXYGEN (Lumin): Maximum, 17.0 mg/L, Apr. 24, 2011; minimum, 0.8 mg/L, Oct. 26, 2012.
TURBIDITY (YSI 6136 sensor): Maximum, 1,480 FNU, June 19, 2012; minimum, 0.1 FNU, Oct. 8, 2011.