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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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
08188810 Guadalupe River at State Highway 35 near Tivoli, TX
LOCATION - Lat 28°28'41", long 96°51'45" referenced to North American Datum of 1927, Calhoun County, TX, Hydrologic Unit 12100204,
DRAINAGE AREA - 10,280 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 2013 to current year (daily mean discharge).
GAGE - Water-stage and water-velocity recorders. Datum of gage 23.375. Satellite telemeter at station.
REMARKS - Since installation of gage in Mar. 2013, at least 10% of contributing drainage area has been regulated. Many small diversions above station. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.
EXTREMES FOR PERIOD OF RECORD -
Maximum discharge: 3,144 cfs at a gage height of 14.58 ft. on 9/18 at 0115 hrs.
Minimum discharge: -218 cfs at a gage height of 10.23 ft. on 6/7/2018 at 1545 hrs.
