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Water-Year Summary for Site 08156910
Water-stage recorder. Satellite telemetry at station.
Datum of gage: 644.596 ft NAVD88 based on a Level 2 Static GNSS survey processed through OPUS with Ref Frame NAD83 (2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2021.7253) and Geoid18. The survey was completed on 9/22/2021 while occupying a TRM that was referenced to local datum via differential levels.
Prior to 9/22/2021, the datum of the gage was 643 ft NAVD88 as determined by RTK survey in 2007 by the City of Austin.