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Water-Year Summary for Site 08154700

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Available Parameters
00060 Discharge(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  

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

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USGS Water-Year Summary 2022
08154700 Bull Creek at Loop 360 near Austin, TX
LOCATION - Lat 30°22'19", long 97°47'04" referenced to North American Datum of 1927, Travis County, TX, Hydrologic Unit 12090205, on right bank at downstream side of bridge at Loop 360, 1.0 mi upstream from West Fork Bull Creek and Farm Road 2222, and 7.1 mi northwest of the State Capitol Building in Austin.
DRAINAGE AREA - 22.3 mi².
PERIOD OF RECORD - Apr. 1976 to July 1978 (peak discharge greater than base discharge), July 1978 to current year.

Water-stage recorder and concrete control.  Satellite telemetry at station.

Datum of the gage is 535.05 ft NAVD88 based on a Level 2 Static GNSS survey processed through OPUS with Ref Frame NAD83 (2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2020.4991) and Geoid 18.  The survey was completed on 07/01/2020 over a TRM that was tied to local datum via differential levels. 

The prior datum of the gage was 534.08 ft NGVD29 (levels from city of Austin benchmark)

REMARKS - Records fair except for daily discharges less than 1.0 ft³/s, which are poor. No known regulation or diversions. No flow at times. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.
PERIOD OF RECORD - CHEMICAL DATA: Apr. 1978 to current year. BIOCHEMICAL DATA: Apr. 1978 to current year. RADIOCHEMICAL DATA: Jan. 1980 to June 1981. PESTICIDE DATA: June 1978 to Oct. 1984, Jan. 1993 to Nov. 1993, June 1995, Oct. 2002 to May 2008. SEDIMENT CHEMISTRY DATA: June 2005 to Mar. 2006. SEDIMENT DATA: May 2000 to Apr. 2010. PERIOD OF DAILY RECORD, Water-Quality.-- SPECIFIC CONDUCTANCE: Sept. 13, 2005, Aug. 9. 2006. WATER TEMPERATURE: Sept. 13, 2005, Aug. 9, 2006. pH: Sept. 13, 2005, Aug. 9, 2006. DISSOLVED OXYGEN: Sept. 13, 2005, Aug. 9, 2006. DISSOLVED OXYGEN, PERCENT SATURATION: Sept. 13, 2005, Aug. 9, 2006.
INSTRUMENTATION - Stage-activated automatic sampler.