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Water-Year Summary for Site 08093100

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
08093100 Brazos River near Aquilla, TX
LOCATION - Lat 31°48'44", long 97°17'51" referenced to North American Datum of 1927, Bosque County, TX, Hydrologic Unit 12060202, on downstream side of Farm Road 2114 bridge, 2.0 mi downstream from Tener Creek, 4.9 mi downstream from Iron Creek, 5.4 mi southwest of Aquilla, 9.0 mi downstream from Whitney Dam, and at river mile 434.0.
DRAINAGE AREA - 27,244 mi² of which 9,566 mi² probably is noncontributing.
REVISIONS HISTORY - WDR TX-76-2: Drainage area.
PERIOD OF RECORD - Oct. 1938 to current year. Prior to Oct. 1974, published as "Brazos River near Whitney". PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: Mar. to Aug. 2002. BIOCHEMICAL DATA: Mar. to Aug. 2002. RADIOCHEMICAL DATA: Mar. to Aug. 2002.
GAGE - Water-stage recorder. Datum of gage is 404.29 ft above NGVD of 1929. Prior to Oct. 1, 1948, non recording gage at site 13.9 mi upstream at datum 27.77 ft higher. Oct. 1, 1948, to Feb. 12, 1975, at site 5.6 mi upstream at datum 13.10 ft higher. Prior to Oct. 1, 1976, at present site at datum 3.00 ft higher. 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 1941, at least 10% of contributing drainage area has been regulated. Most flow occurs as releases from Whitney Lake (station 08092500) 9.0 mi upstream. There are diversions above station for irrigation and industrial operations.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1853, 45 ft, May 9, 1922, at site and datum in use Oct. 1, 1948, to Feb. 12, 1975, from information by local residents.
EXTREMES FOR PERIOD PRIOR TO REGULATION - WATER YEARS, 1939-1940: Maximum discharge, 39,800 ft³/s, June 19, 1939, gage height, 19.16 ft, maximum gage height, 19.92 ft, Aug. 20 1940, at site and datum then in use.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - 2 years (water years 1939-40) prior to regulation by Possum Kingdom Lake. 1,149 ft³/s (832,500 acre-ft/yr), at site and datum in use.