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Water-Year Summary for Site 07164500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  

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

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USGS Water-Year Summary 2020
LOCATION - Lat 36°08'26", long 96°00'22" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.11, T.19 N., R.12 E., Tulsa County, OK, Hydrologic Unit 11110101, at right abutment on downstream side of 11th Street bridge in Tulsa, 10.1 mi upstream from Polecat Creek, 15.1 mi downstream from Keystone Dam, and at mile 523.7.
DRAINAGE AREA - 74,460 mi² of which 11,649 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.
PERIOD OF RECORD - October 1925 to current year. Monthly discharge only for some periods, published in WSP 1311. Gage-height records collected in this vicinity since 1904 are published in reports of the National Weather Service.
GAGE - Water-stage recorder. Datum of gage is 615.23 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Except for 109 mi² intervening area, flow completely regulated by Keystone Lake (station 07164200) since September 1964. Prior to September 1964, minor regulation by John Martin Lake in Colorado and by Great Salt Plains Lake (station 07150000). Prior to Feb. 2, 1939, nonrecording gage and Feb. 2, 1939 to Sept. 30, 1952, water-stage recorder at datum 3.00 ft higher.

10/01/2013 to 09/30/2014 record rated poor.

10/01/2014 to 09/30/2015 record rated poor.

10/01/2015 to 09/30/2016 record rated poor.

10/01/2016 to 09/30/2017 record rated poor.

10/01/2017 to 09/30/2018 record rated poor. 

10/01/2018 to 09/30/2019 record rated fair, except for the period of 10/01/2018 to 01/29/2019 which was rated poor.

10/01/2019 to 09/30/2020 record rated fair, except for the period of 01/22/2020 to 03/08/2020 which was rated good. 

All estimated periods are considered poor unless noted otherwise.

The maximum peak stage during the period of October 01,2013 to November 02, 2014 occurred during slight backwater from I-244 bridge construction activities. Average discharge prior to regulation, 1926-1964, 6,554 cubic feet per second.

EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage for the period of 1904 - 1924, 22.8 ft, June 13, 1923, present datum, from reports of National Weather Service.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Minimum daily value for period of record, 27 cubic feet per second, October 12, 13, 1956.

WATER TEMPERATURE: March 1977 to September 1981, September 1983 to November 1983, March 1987 to current year. 

SPECIFIC CONDUCTANCE: March 1977 to July 1985, October 1987 to May 1998 (discontinued).

DISSOLVED OXYGEN: January 2011 to November 2020 (discontinued).


Accuracy rating of the record for the 2018 Water Year:

Water Temperature: Good; no corrections applied and few erroneous data points taken out. 

Dissolved Oxygen: Fair; fouling and drift corrections often applied, some data gaps occurred. 

Accuracy rating of the record for the 2019 Water Year:

Water Temperature: Good

Dissolved Oxygen: Fair

Accuracy rating of the record for the 2020 Water Year:

Water Temperature: Fair

Dissolved Oxygen: Poor (includes period outside of 2020 Water Year consisting of October 01, 2020 through November 04, 2020).

Interruptions in record were due to malfunction of the recording instrument. Prior to September 1985, once-daily observer's readings were published. Water-quality monitor records for these periods are available upon request at the U.S. Geological Survey Oklahoma Water Science Center.


WATER TEMPERATURE: Maximum, 35.2 C, July 22, 2017; Minimum, -0.3 C, February 5, 6, 11 and March 4, 2014. 

SPECIFIC CONDUCTANCE: Maximum daily, 7,820 microsiemens, Feb. 16, 1978; Minimum, 299 microsiemens, November 5, 1994 (discontinued 1998).

DISSOLVED OXYGEN: Maximum, 19.8 mg/l, December 9, 2014; Minimum, 2.5 mg/l, June 24,2018 (discontinued November 2020).