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°13'19",   Longitude 98°21'20"   NAD27

Bexar County, Texas, Hydrologic Unit 12100301

Drainage area: 1,743 square miles

Contributing drainage area: 1,743 square miles,

Datum of gage: 380.00 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-10-14	2019-10-16
Daily Data
Temperature, water, degrees Celsius	1987-07-13	2019-10-15	33944
Precipitation, total, inches	2016-10-16	2019-10-14	1082
Discharge, cubic feet per second	1962-10-01	2019-10-15	29555
Gage height, feet	1986-10-01	2019-10-15	20575
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987-07-13	2019-10-15	33676
Dissolved oxygen, water, unfiltered, milligrams per liter	1987-07-13	2019-10-15	30617
pH, water, unfiltered, field, standard units	1987-08-31	2019-10-15	21722
pH, water, unfiltered, field, standard units	1987-07-13	1999-09-30	4148
Daily Statistics
Temperature, water, degrees Celsius	1987-07-13	2019-09-16	11286
Discharge, cubic feet per second	1962-10-01	2019-08-21	20779
Gage height, feet	1986-10-01	2019-08-21	11346
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987-07-13	2019-09-16	11416
Dissolved oxygen, water, unfiltered, milligrams per liter	1987-07-13	2019-09-16	10205
pH, water, unfiltered, field, standard units	1987-07-13	1999-09-30	4148
Monthly Statistics
Temperature, water, degrees Celsius	1987-07	2019-09
Discharge, cubic feet per second	1962-10	2019-08
Gage height, feet	1986-10	2019-08
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987-07	2019-09
Dissolved oxygen, water, unfiltered, milligrams per liter	1987-07	2019-09
pH, water, unfiltered, field, standard units	1987-07	1999-09
Annual Statistics
Temperature, water, degrees Celsius	1987	2019
Discharge, cubic feet per second	1963	2019
Gage height, feet	1987	2019
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987	2019
Dissolved oxygen, water, unfiltered, milligrams per liter	1987	2019
pH, water, unfiltered, field, standard units	1987	1999
Peak streamflow	1963-02-18	2016-12-04	55
Field measurements	1962-05-16	2019-10-09	530
Field/Lab water-quality samples	1964-11-04	2019-07-19	646
Water-Year Summary	2005	2018	14
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