USGS Water-Year Summary 2024
08158840 Slaughter Creek at Farm to Market Road 1826 near Austin, TX
LOCATION - Lat 30°12'32", long 97°54'11" referenced to North American Datum of 1927, Travis County, TX, Hydrologic Unit 12090205, on left bank at downstream side of bridge embankment, 1.7 mi south of the intersection on U.S. Highway 290 and Farm Road 1826, and 11.9 mi southwest of the State Capitol Building in Austin.
DRAINAGE AREA - 8.24 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Jan. 1978 to current year.
GAGE -
Water-stage recorder. Satellite telemetry at station.
Datum of gage: 876.25 ft NAVD88 based on a Level 2 Static GNSS survey processed through OPUS with Ref Frame NAD83 (2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2020.6278) and Geoid 18. The survey was completed on 8/17/2020 while occupying a TRM that was referenced to local datum via differential levels.
Prior to 8/17/2020 the datum of the gage was 876.14 ft NGVD29 as determined by levels.
WATER-QUALITY RECORDS
PERIOD OF RECORD - CHEMICAL DATA: June 1983 to Feb. 1995, Mar. 1997 to Oct. 2002, May 2004 to Nov. 2004, Jan. 2007 to June 2007, Oct. 2009 to current year.
BIOCHEMICAL DATA: June 1983 to Feb. 1995, Mar. 1997 to Oct. 2002, May 2004 to Nov. 2004, Jan. 2007 to June 2007, Oct. 2009 to current year.
BIOLOGICAL DATA: June 1983 to Feb. 1995, Mar. 1997 to June 2001, July 2007, Oct. 2009 to Mar. 2010.
STABLE ISOTOPES DATA: Oct. 2009 to Mar. 2010.
PESTICIDE DATA: Oct. 1984, July 2007 to Feb. 2010.
ORGANICS, OTHER DATA: Oct. 2009 to Feb. 2010.
SEDIMENT DATA: June 2000 to Oct. 2002, May 2004 to Nov. 2004, Jan. 2007 to Apr. 2010.
INSTRUMENTATION - Stage-activated automatic sampler.