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Water-Year Summary for Site 08057000

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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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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Med.)  
63680 Turbidity, Form Neph(Min.,Max.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
08057000 Trinity River at Dallas, TX
LOCATION - Lat 32°46'29", long 96°49'18" referenced to North American Datum of 1927, Dallas County, TX, Hydrologic Unit 12030105, on the downstream side of Commerce Street viaduct in Dallas, 5.2 mi downstream from the confluence of the West and Elm Forks of the Trinity, and at mile 500.3.
DRAINAGE AREA - 6,106 mi².
REVISIONS HISTORY - WSP 850: 1903-06 (monthly and annual means). WSP 1732: 1937(M). WSP 1922: Drainage area. WDR TX-73-1: 1972.
PERIOD OF RECORD - Oct. 1898 to Dec. 1899 (gage heights only published in WSP 28 and 37), Oct. 1903 to current year. PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: Jan. 1969. SEDIMENT DATA: Sept. 2010, Jan. to Mar. 2012. PERIOD OF DAILY RECORD, Atmospheric.-- PRECIPITATION DATA: Oct. 2001 to Sept. 2002.
GAGE - Water-stage recorder. Datum of gage is 368.02 ft above NGVD of 1929; 367.84 ft above NAVD of 1988. Oct. 1, 1898, to Dec. 31, 1899, nonrecording gage at site 2.0 mi upstream at different datum. July 1, 1903, to July 20, 1930, nonrecording gage at present site and datum. July 21, 1930, to Sept. 30, 1932, nonrecording gage at site 6.0 mi downstream at datum 3.08 ft lower. Satellite telemeter at station.
REMARKS - Some records listed in the "Period of Record" for surface water and water quality may not be available electronically. Since water year 1914, at least 10% of contributing drainage area has been regulated. The City of Dallas diverts water for municipal use from the Elm Fork, Lake Ray Hubbard (on the East Fork), and from Lake Tawakoni (on the Sabine River), and purchases water from North Texas Municipal Water District (from the East Fork). Wastewater effluent from the City of Dallas is returned to the river downstream from this station. The Trinity River Authority and the City of Fort Worth discharge wastewater effluent into the river upstream from this station. There are many other diversions upstream from this station for municipal, industrial and other uses.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in 1866 reached about the same stage as that of May 25, 1908.
EXTREMES FOR PERIOD PRIOR TO REGULATION - WATER YEARS 1904-1913: Maximum discharge, 184,000 ft³/s, May 25, 1908, gage height, 52.6 ft, from rating curve extended above 109,000 ft³/s. Maximum stage since at least 1840, that of May 25, 1908.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - 10 years (water years 1904-13), 1,047 ft³/s (758,600 acre-ft/yr).
PERIOD OF DAILY RECORD - WATER TEMPERATURE: Oct. 2014 to current year. SPECIFIC CONDUCTANCE: Oct. 2014 to current year. pH: Oct. 2014 to current year. DISSOLVED OXYGEN: Oct. 2014 to current year. TURBIDITY: Oct. 2014 to current year.
REMARKS - Interruptions or periods of missing record may be due to instrument failure or data corrections exceeding allowable criteria, which were deleted. Minimum and maximum extremes may have occurred during period of missing record. Some records listed in the Period of Record may not be available electronically.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 33.5°C, Aug. 16, 2020; minimum, 7.0°C, Jan. 3,11 2015. SPECIFIC CONDUCTANCE: Maximum, 1000 microsiemens/cm, July 9, 2018 and other days in the WY18; minimum, 109 microsiemens/cm, July 6, 2020. pH: Maximum, 8.8 pH standard units, Aug. 08, 2022 and other days in WY 2022; minimum, 6.9 pH standard units, December 3, 2017 and other days in WY18. DISSOLVED OXYGEN: Maximum, 12.7 mg/L, Feb. 21, 2016 and other days in WY 2021, minimum, 1.7 July 3, 2018. TURBIDITY: Maximum, 1190 NTU, September 10, 2019 and other days in WY18; minimum, 1.0 NTU, February 3, 2018.