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Water-Year Summary for Site 08158200

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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(Mean,Max.,Min.)  
00065 Gage height(Min.,Max.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
08158200 Walnut Creek at Dessau Road, Austin, TX
LOCATION - Lat 30°22'30", long 97°39'37" referenced to North American Datum of 1927, Travis County, TX, Hydrologic Unit 12090205, on the upstream side of the bridge on Dessau Road and 8.4 miles northeast of the State Capitol Building in Austin.
DRAINAGE AREA - 26.2 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1975 to Sept. 1988 (selected storm events). Aug. 2007 to current year. PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: Apr. 1976 to Jan. 1986. BIOCHEMICAL DATA: Apr. 1976 to Jan. 1986. BIOLOGICAL DATA: Apr. 1976 to Jan. 1986. PESTICIDE DATA: Jan. 1980 to July 1984. RADIOCHEMICAL DATA: Jan. 1980 to June 1981.
GAGE -

Water-stage recorder.  Satellite telemetry at station.

Datum of gage: 552.338 ft NAVD88 based on a Level 2 Static GNSS survey processed through OPUS, Ref Frame NAD83 (2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2023.0268) and Geoid18.  The survey was completed January 10th, 2023 while occupying USGS BM RM7. 

Prior to January 10th, 2023 the datum of the gage was 553.44 ft NGVD29. 

REMARKS - 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.