USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

DESCRIPTION:

Latitude 29°21'25",   Longitude 98°24'45"   NAD27

Bexar County, Texas, Hydrologic Unit 12100301

Drainage area: 189 square miles

Contributing drainage area: 189 square miles,

Datum of gage: 526.95 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-10-15	2024-04-19
Daily Data
Temperature, water, degrees Celsius	1987-07-09	1999-09-29	12632
Precipitation, total, inches	2009-11-19	2024-04-18	4938
Discharge, cubic feet per second	1960-09-01	2024-04-18	39480
Gage height, feet	1995-11-09	2024-04-18	10196
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987-10-01	2000-07-08	13431
Dissolved oxygen, water, unfiltered, milligrams per liter	1987-10-01	2000-07-10	8837
pH, water, unfiltered, field, standard units	1987-10-01	2000-07-10	13275
Daily Statistics
Temperature, water, degrees Celsius	1987-07-09	1999-09-29	4248
Discharge, cubic feet per second	1960-09-01	2024-01-29	23161
Gage height, feet	1995-11-09	2024-01-29	10116
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987-10-01	2000-07-08	4665
Dissolved oxygen, water, unfiltered, milligrams per liter	1987-10-01	2000-07-10	2949
pH, water, unfiltered, field, standard units	1987-10-01	2000-07-10	4425
Monthly Statistics
Temperature, water, degrees Celsius	1987-07	1999-09
Discharge, cubic feet per second	1960-09	2024-01
Gage height, feet	1995-11	2024-01
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987-10	2000-07
Dissolved oxygen, water, unfiltered, milligrams per liter	1987-10	2000-07
pH, water, unfiltered, field, standard units	1987-10	2000-07
Annual Statistics
Temperature, water, degrees Celsius	1987	1999
Discharge, cubic feet per second	1960	2024
Gage height, feet	1996	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1988	2000
Dissolved oxygen, water, unfiltered, milligrams per liter	1988	2000
pH, water, unfiltered, field, standard units	1988	2000
Peak streamflow	1960-08-15	2023-05-13	64
Field measurements	1960-08-15	2024-04-16	573
Field/Lab water-quality samples	1968-11-27	2012-09-19	382
Water-Year Summary	2005	2023	19
Revisions	Loading...

OPERATION:

Record for this site is maintained by the USGS Texas Water Science Center

Email questions about this site to Texas Water Science Center Water-Data Inquiries