USGS Water-Year Summary for Site 06914990

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	Available Parameters
	00010 Temperature, water(Max.,Min.)
	00060 Discharge(Mean)
	00065 Gage height(Mean)

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Water year 2024: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2024

06914990 LITTLE BULL CREEK NEAR SPRING HILL, KS

LOCATION - Lat 38°46'03", long 94°52'45" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.16, T.15 S., R.23 E., Johnson County, KS, Hydrologic Unit 10290102, located on right upstream side of 199th Street, 3.0 mi south and 2.5 mi east of Gardner.

DRAINAGE AREA - 7.86 mi². approximately.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1993 to current year.

GAGE - Water-stage recorder. Datum of gage is 952.288 ft NAVD88. Prior to Nov. 13, 2004, recording gage located 1.0 mi downstream at datum 925.24.

REMARKS - Satellite telemeter at station.

EXTREMES FOR PERIOD OF RECORD - Maximum stage, from before the gage was moved, was 21.22 ft from July 14, 1994. The maximum discharge that was recorded before the gage was moved was 2440 cfs on March 4, 2004.

Maximum stage at the current gage location was 12.07 ft occurring on August 22, 2017. Maximum discharge for the current gaging location was 3130 cfs on June 3, 2008.

WATER-QUALITY RECORDS

PERIOD OF RECORD - YSI: October 2010 to September 2012 (discontinued). EXO: January 2023 to December 2023 (discontinued).

PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE (YSI): October 2010 to September 2012 (discontinued). pH (YSI): December 2010 to April 2011 (discontinued). WATER TEMPERATURE (YSI): October 2010 to September 2012 (discontinued). DISSOLVED OXYGEN (YSI-Lumin): December 2010 to April 2011 (discontinued). TURBIDITY (YSI 6136 sensor): October 2010 to September 2012 (discontinued).

SPECIFIC CONDUCTANCE (EXO): January 2023 to December 2023 (discontinued). pH (EXO): January 2023 to December 2023 (discontinued). WATER TEMPERATURE (EXO): January 2023 to December 2023 (discontinued). DISSOLVED OXYGEN (EXO): January 2023 to December 2023 (discontinued). TURBIDITY (EXO): January 2023 to December 2023 (discontinued).

INSTRUMENTATION - Multiparameter water-quality monitor.

REMARKS - Records good. Interruptions in record are due to ice conditions, malfunction of the recording instrument or sensors, or during days of no streamflow. Instruments used to measure turbidity conform to ISO 7027 standards and were made using Yellow Springs Instrument (YSI) 6136 sensor.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE (YSI): Maximum, 2,850 microsiemens/cm, Jan. 29, 2011; minimum, 126 microsiemens/cm, June 19, 2011.

pH (YSI): Maximum, 8.9 standard units, Jan. 5, 2011; minimum, 6.7 standard units, Mar. 27, 2011.

WATER TEMPERATURE (YSI): Maximum, 31.5°C, Aug. 2, 2011; minimum, -0.2°C, Feb. 13, 2011.

DISSOLVED OXYGEN (YSI-Lumin): Maximum, 17.2 mg/L, Apr. 1, 2011; minimum, 6.3 mg/L, Apr. 4, 2011.

TURBIDITY (YSI 6136 sensor): Maximum, 1,770 FNU, Feb. 27, 2011; minimum, 2.9 FNU, Nov. 6, 2010.

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SPECIFIC CONDUCTANCE (EXO): Maximum, 2,480 microsiemens/cm, Nov. 28, 2023; minimum, 196 microsiemens/cm, Dec. 25, 2023.

pH (EXO): Maximum, 8.9 standard units, May 10, 2023; minimum, 7.6 standard units, May 13, 2023.

WATER TEMPERATURE (EXO): Maximum, 29.3°C, Aug. 24, 2023; minimum, 0.2°C, Feb. 2, 2023.

DISSOLVED OXYGEN (EXO): Maximum, 23.3 mg/L, Jan. 31, 2023; minimum, 0.4 mg/L, July 4, 2023.

TURBIDITY (EXO): Maximum, 673 FNU, Oct. 25, 2023; minimum, 1.6 FNU, Oct. 22, 203.