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Water-Year Summary for Site 07144790

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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00010 Temperature, water(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00095 Specific cond at 25C(Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00300 Dissolved oxygen(Mean)  
00400 pH(Max.,Min.,Med.)  
00400 pH(Med.)  
32320 fChl,in situ,470/685(Mean)  
62614 Elevation, lake/res, NGVD29(Mean)  
63680 Turbidity, Form Neph(Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
07144790 CHENEY RESERVOIR NEAR CHENEY, KS
LOCATION - Lat 37°43'34", long 97°47'38" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 NW 1/4 sec.06, T.27 S., R.4 W., Sedgwick County, KS, Hydrologic Unit 11030014, in control house structure at outlet works of Cheney Dam on North Fork Ninnescah River, 6.0 mi north of Cheney, and at mile 15.9.
DRAINAGE AREA - 901 mi² of which 237 mi² probably is noncontributing.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1964 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by Bureau of Reclamation). NAVD88 levels obtained Oct. 31, 2019 found difference in datum to be +0.64 ft. from NGVD29.
REMARKS - Reservoir is formed by compacted earthfill dam. Storage began Nov. 17, 1964. Conservation pool elevation was first reached on Nov. 2, 1969. Total capacity, 566,300 acre-ft, consisting of the following: Dead storage, 979 acre-ft below elevation 1,378.5 ft; fish and wildlife storage, 14,310 acre-ft between elevations 1,378.5 ft and 1,392.9 ft; conservation pool, 151,800 acre-ft between elevations 1,392.9 ft and 1,421.6 ft; flood-control pool, 80,860 acre-ft between elevations 1,421.6 ft and 1,429.0 ft, crest of uncontrolled spillway; and uncontrolled storage, 318,300 acre-ft between elevations 1,429.0 ft and 1,447.8 ft. Reservoir is used for supplemental water supply for municipal and industrial uses in the city of Wichita, fish and wildlife conservation, flood control, and recreational purposes in Cheney Division Wichita project. Figures given herein represent total contents. Satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 1,430.25 ft, May 22, 2019, contents, 263,800 acre-ft; minimum elevation since conservation pool was first reached, 1,412.33 ft, Dec. 2-4, 1971, contents, 93,300 acre-ft.
WATER-QUALITY RECORDS
PERIOD OF RECORD - April 2001 to current year.
PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE (YSI): April 2001 to March 2015 (discontinued).

SPECIFIC CONDUCTANCE (EXO): Oct. 2014 to current year.

pH (YSI): April 2001 to March 2015 (discontinued).

pH (EXO): Oct. 2014 to current year.

WATER TEMPERATURE(YSI): April 2001 to March 2015 (discontinued).

WATER TEMPERATURE (EXO): Oct. 2014 to current year.

DISSOLVED OXYGEN (YSI LUMIN): February 2007 to March 2015 (discontinued).

DISSOLVED OXYGEN (EXO): Oct. 2014 to current year.

TURBIDITY (YSI 6026 sensor): April 2001 to December 2010 (discontinued).

TURBIDITY (YSI 6136 sensor): May 2005 to March 2015 (discontinued).

TURBIDITY (EXO sensor): Oct. 2014 to current year.

INSTRUMENTATION - Multiparameter water-quality monitor.
REMARKS - Interruptions in record are due to ice conditions or malfunction of the recording instrument or sensors. Instruments used to measure turbidity conform to ISO 7027 standards and were made using Yellow Springs Instruments (YSI) 6026 and 6136 sensors. As of Oct. 2014, turbidity is being measured by an EXO sensor.
EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE (YSI): Maximum, 1,140 microsiemens/cm, Jan. 16, 2013; minimum, 522 microsiemens/cm, Aug. 13, 2013 (discontinued).

SPECIFIC CONDUCTANCE (EXO): Maximum, 1,000 microsiemens/cm, Apr. 15, 2016; minimum, 543 microsiemens/cm, June 2, 2019. 

pH (YSI): Maximum, 9.5 standard units, July 31, 2011; minimum, 7.2 standard units, July 2, 2010 (discontinued).

pH (EXO): Maximum, 9.0 standard units, June 14, 2016; minimum, 7.6 standard units, Aug. 13, 2018.

WATER TEMPERATURE (YSI): Maximum, 33.2°C, Aug. 7, 2011; minimum, -0.1°C, Jan. 23, 2003 (discontinued).

WATER TEMPERATURE (EXO): Maximum, 30.9°C, Aug. 12, 2019; minimum, -0.1°C, Dec. 31, 2017.

DISSOLVED OXYGEN (YSI LUMIN): Maximum 21.6 mg/L, July 31, 2011; minimum, 2.0 mg/L, Aug. 9, 2008 (discontinued).

DISSOLVED OXYGEN (EXO): Maximum 16.1 mg/L, Jan. 15, 2015; minimum, 0.5 mg/L, Aug. 13, 2018.

TURBIDITY (YSI 6026 sensor): Maximum, 200 FNU, July 15, 2002; minimum, 1.3 FNU, Feb. 5, 2008 (discontinued).

TURBIDITY (YSI 6136 sensor): Maximum, 180 FNU, Aug. 7, 2011; minimum, 0.4 FNU, Jan. 28, 2008 (discontinued).

TURBIDITY (EXO sensor): Maximum, 75.3 FNU, April 27, 2019 ; minimum, 1.6 FNU, Feb. 13, 2015.