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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2024
08158813 Bear Creek at Spillar Ranch Road near Manchaca, TX
LOCATION - Lat 30°09'49.18", long 97°54'25.27" referenced to North American Datum of 1983, Hays County, TX, Hydrologic Unit 12090205,
DRAINAGE AREA - 20.4 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 2015 to current year.
GAGE -
Water-stage recorder. Satellite telemetry at station.
Datum of gage: 793.313 ft NAVD88 based on a Level 2 Static GNSS survey processed through OPUS with Ref Frame NAD83 (2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2021.0407) and Geoid 18. The survey was completed on 01/15/2021 while occupying station survey point RM1.
Prior to 01/15/2021 the datum of the gage was 792 ft NAVD88 as determined from a DEM.
REMARKS - Records fair. 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.
