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DESCRIPTION:

Latitude 29°20'05",   Longitude 98°41'22"   NAD27

Bexar County, Texas, Hydrologic Unit 12100302

Drainage area: 885 square miles

Contributing drainage area: 885 square miles,

Datum of gage: 590.39 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-05-29	2025-12-28
Daily Data
Temperature, water, degrees Celsius	2001-11-02	2014-01-01	13137
Discharge, cubic feet per second	1981-01-01	2025-12-27	36581
Gage height, feet	1987-05-29	2025-12-27	31035
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001-11-02	2014-01-01	13017
Dissolved oxygen, water, unfiltered, milligrams per liter	2005-01-29	2014-01-01	9251
pH, water, unfiltered, field, standard units	2005-01-29	2014-01-01	6432
Daily Statistics
Temperature, water, degrees Celsius	2001-11-02	2014-01-01	4379
Discharge, cubic feet per second	1981-01-01	2025-03-09	15548
Gage height, feet	1987-05-29	2025-03-09	10058
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001-11-02	2014-01-01	4338
Dissolved oxygen, water, unfiltered, milligrams per liter	2005-01-29	2014-01-01	3083
Monthly Statistics
Temperature, water, degrees Celsius	2001-11	2014-01
Discharge, cubic feet per second	1981-01	2025-03
Gage height, feet	1987-05	2025-03
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001-11	2014-01
Dissolved oxygen, water, unfiltered, milligrams per liter	2005-01	2014-01
Annual Statistics
Temperature, water, degrees Celsius	2002	2014
Discharge, cubic feet per second	1981	2025
Gage height, feet	1987	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002	2014
Dissolved oxygen, water, unfiltered, milligrams per liter	2005	2014
Peak streamflow	1982-05-16	2024-01-24	41
Field measurements	1980-12-30	2025-11-20	316
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1997-07-02	2013-08-14	33
Water-Year Summary	2005	2024	20
Revisions	Loading...

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