USGS Water-Year Summary 2023
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. Datum of gage is 737.04 ft above NGVD of 1929. Satellite telemeter at station.
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.