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Water-Year Summary for Site 08155200

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

Water year 2024: 2023-10-01 to 2024-09-30
 
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USGS Water-Year Summary 2024
08155200 Barton Creek at State Highway 71 near Oak Hill, TX
LOCATION - Lat 30°17'46", long 97°55'31" referenced to North American Datum of 1927, Travis County, TX, Hydrologic Unit 12090205, on right bank under downstream side of bridge on State Highway 71, 0.1 mi downstream from Little Barton Creek, and 5.8 mi northwest of Oak Hill.
DRAINAGE AREA - 89.7 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Aug. 1975 to Feb. 1978 (peak discharge greater than base discharge), Feb. 1978 to Sept. 1982, Jan. 1989 to current year.
GAGE -

Water-stage recorder.  Satellite telemetry at station.

Datum of the gage: 736.98 ft NAVD88 based on a Level 2 Static GNSS survey processed through OPUS, Ref Frame: NAD83 (2011)(EPOCH:2010.0000) ITFR2014 (EPOCH:2024.3955) and Geoid 18. The survey was completed on May 24, 2024 while occupying a TRM that was referenced to local gage datum via differential levels. 

Prior 5/24/2024, the datum of the gage was 737.04 ft NGVD29.

REMARKS - Records good. 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.
WATER-QUALITY RECORDS
PERIOD OF RECORD - CHEMICAL DATA: Apr. 1978 to July 1982, Feb. 1989 to Oct. 2004, Mar. 2006 to Sept. 2018. BIOCHEMICAL DATA: Apr. 1978 to July 1982, Feb. 1989 to Oct. 2004, Mar. 2006 to Sept. 2018. RADIOCHEMICAL DATA: Jan. 1980 to June 1981. PESTICIDE DATA: June 1978 to July 1982, Jan. 1993 to June 1995, June 2002 to Oct. 2004. SEDIMENT CHEMISTRY DATA: May 2000 to Feb. 2004. SEDIMENT DATA: Nov. 1998 to Oct. 2004, Mar. 2006 to Oct. 2009.