USGS Water-Year Summary 2024
06915000 BIG BULL CREEK NEAR HILLSDALE, KS
LOCATION - Lat 38°39'23", long 94°53'46" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 SW 1/4 sec.17, T.16 S., R.23 E., Miami County, KS, Hydrologic Unit 10290102, on left bank 1,300 ft below outlet works of Hillsdale Lake Dam and at mile 17.6.
DRAINAGE AREA - 143 mi².
REVISIONS HISTORY - WSP 1919: 1958. See also PERIOD OF RECORD.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1958 to current year. Records for 1949 to 1953 published in WSP 1146, 1176, 1210, 1240, and 1280 have been found to be unreliable and should not be used.
GAGE - Water-stage recorder. Datum of gage is 857.70 ft above NGVD of 1929. Prior to July 29, 1958, water-stage recorder and nonrecording gage operated 1,850 ft downstream at datum 6.00 ft lower. All records from this site were later discredited. Prior to Aug. 6, 2008, water-stage recorder at site 1.4 mi downstream at datum 3.21 higher.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known since 1910, 21.2 ft, July 11, 1951, at site and datum then in use, discharge, 45,200 ft³/s, on basis of slope-area measurement of peak flow.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2010 to September 2012 (discontinued).
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 2010 to September 2012 (discontinued).
WATER TEMPERATURE: October 2010 to September 2012 (discontinued).
TURBIDITY (YSI 6136 sensor): October 2010 to September 2012 (discontinued).
INSTRUMENTATION - Multiparameter water-quality monitor.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 329 microsiemens/cm, May 30, 2011; minimum, 263 microsiemens/cm, Oct. 15, 2010.
WATER TEMPERATURE: Maximum, 34.9°C, July 19, 2011; minimum, -0.1°C, Jan. 12, 2011.
TURBIDITY (YSI 6136 sensor): Maximum, 46 FNU, Apr. 3, 2011; minimum, <0.1 FNU, Aug. 29, 2011.