USGS Water-Year Summary for Site 08062700

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	00060 Discharge(Max.,Min.,Mean)

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

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USGS Water-Year Summary 2023

08062700 Trinity River at Trinidad, TX

LOCATION - Lat 32°08'51", long 96°06'08" referenced to North American Datum of 1927, Henderson County, TX, Hydrologic Unit 12030105, on downstream side of eastbound State Highway 31, near western boundary of City of Trinidad, 0.4 mi upstream from St. Louis Southwestern Railway Lines bridge, 8.9 mi upstream from Cedar Creek, and at mile 390.3.

DRAINAGE AREA - 8,538 mi². not including 1,007 mi² upstream from Cedar Creek Reservoir.

REVISIONS HISTORY - WDR TX-89-1: 1988. WDR TX-90-1: 1989.

SURFACE-WATER RECORDS

PERIOD OF RECORD - Oct. 1964 to current year. Records of gage height collected in this vicinity for period Oct. 1913 to Sept. 1915 are contained in reports of U.S. Army Corps of Engineers, and records collected since Oct. 1915 are contained in reports of the National Weather Service. PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: May 1966 to June 1994. BIOCHEMICAL DATA: May 1966 to June 1994. BIOLOGICAL DATA: Nov. 1977 to Sept. 1981. PESTICIDE DATA: Nov. 1977 to June 1982. RADIOCHEMICAL DATA: Jan. to July 1981. SEDIMENT DATA: Nov. 1977 to June 1994. PERIOD OF DAILY RECORD, Water-Quality.-- SPECIFIC CONDUCTANCE: Sept. 1967 to Sept. 1981, May 1986 to Sept. 2000. pH: Sept. 1967 to Oct. 1969, May 1986 to Sept. 2000. WATER TEMPERATURE: Sept. 1967 to Sept. 1981, May 1986 to Sept. 2000. DISSOLVED OXYGEN: Sept. 1967 to Oct. 1969, May 1986 to Sept. 2000.

GAGE - Water-stage recorder. Datum of gage is 235.49 ft above NGVD of 1929; 235.75 ft above NAVD of 1988. Prior to May 3, 1967, at present site at datum 5.00 ft higher. May 4, 1967, to Dec. 14, 2006, at site 0.9 mi downstream at datum 3.72 ft higher. Satellite telemeter at station.

REMARKS - Since installation of gage, at least 10% of contributing drainage area has been regulated. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.

EXTREMES OUTSIDE PERIOD OF RECORD -

Maximum stages since at least 1908, 49.8 ft, Apr. 25, 1942, and 48.3 ft, date unknown (present site and datum), from records of the National Weather Service.