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USGS Water-Year Summary 2024
08090800 Brazos River near Dennis, TX
LOCATION - Lat 32°36'56", long 97°55'32" referenced to North American Datum of 1927, Parker County, TX, Hydrologic Unit 12060201, on downstream side of Farm Road 1189 bridge, 0.2 mi south of Dennis, 1.0 mi upstream from Patrick Creek, and at mile 589.8.
DRAINAGE AREA - 25,237 mi² of which 9,566 mi² probably is noncontributing.
REVISIONS HISTORY - WDR TX-76-2: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Apr. 1968 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Oct. 1970 to Aug. 1997.
BIOCHEMICAL DATA: Oct. 1970 to Aug. 1997.
RADIOCHEMICAL DATA: May 1981.
PERIOD OF DAILY RECORD, Water-Quality.--
SPECIFIC CONDUCTANCE: Oct. 1970 to Sept. 1995.
WATER TEMPERATURE: Oct. 1970 to Sept. 1995.
GAGE - Water-stage recorder. Datum of gage is 697.67 ft above NGVD of 1929; 698.18 ft above NAVD of 1988. From Oct. 2004 to Sept. 2012, gage was located 250 ft upstream of Farm Road 1189 bridge on right bank at same datum. 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 installation of gage, at least 10% of contributing drainage area has been regulated. At times flow may be affected by discharge from floodwater-retarding structures controlling runoff from 53.0 mi² in the East Keechi and Pollard Creeks drainage basins. There are many diversions above station for irrigation, municipal supply and oil field operations.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1930, 31.8 ft in May 1957, from floodmark, from information by Texas Department of Transportation.
