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Water-Year Summary for Site 07241550

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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
07241550 NORTH CANADIAN RIVER NEAR HARRAH, OK
LOCATION - Lat 35°30'01", long 97°11'37" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.22, T.12 N., R.1 E., Oklahoma County, OK, Hydrologic Unit 11100302, on left bank downstream side county road bridge, 2.2 mi northwest of Harrah, 3.8 mi downstream from Choctaw Creek, and at mile 230.0.
DRAINAGE AREA - 13,775 mi² of which 3,497 mi² probably is noncontributing. from automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.
REVISIONS HISTORY - WDR 2012: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1968 to current year.
GAGE - Water-stage recorder. Datum of gage is 1055.69 ft above NGVD of 1929.
REMARKS - 10/01/2013 - 09/30/2014: records fair. 10/01/2014 - 09/30/2015: records good. 10/01/2015 - 09/30/2016: records fair. 10/01/2016 - 09/30/2017: records good. Flow regulated by Canton Lake (station 07238500) and by Lake Overholser (station 07240500) where diversions are made into Lake Hefner Canal (station 07240000). Low flow sustained in part by sewage effluent.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 1968 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 1968 to current year. pH: October 1988 to current year. WATER TEMPERATURE: October 1968 to current year. DISSOLVED OXYGEN: October 1988 to current year.
INSTRUMENTATION - Water-quality monitor since July 1988.
REMARKS - Interruptions in record were due to malfunctions of the recording instrument at times or corrections above allowable limits. Samples were collected periodically. Barometric pressure, air temperature, specific conductance, pH, water temperature, dissolved oxygen, total coliforms, E. coli and alkalinity were determined in the field. 10/01/2016 - 09/30/2017: records poor.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum daily (observed), 4,700 microsiemens, Sept. 25, 1980; minimum, 125 microsiemens, Apr. 21, 1990. pH: Maximum, 9.9 units, July 25, 2002; minimum, 6.2 units, May 19, 2003. WATER TEMPERATURE: Maximum, 38.0°C, August 28, 2011; minimum, -1.5°C, Jan. 15, 2007. DISSOLVED OXYGEN: Maximum, 29.4 mg/L, June 27, 2010; minimum, 0.1 mg/L, April 9, 27, 2009.
EXTREMES FOR CURRENT YEAR - Temperature: 35.80 (06/17/2016), -0.10 (12/19/2016); Specific Conductivity: 1486 (08/06/2017), 129 (08/17/2017); pH: 9.28 ( 07/10/2017) 7.00 (10/10/2016); Dissolved Oxygen: 15.66 (07/29/2017) 0.10 (07/24/2017).