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	2024-11-23
Daily Data
Temperature, water, degrees Celsius	1987-07-13	2024-11-22	39507
Precipitation, total, inches	2021-11-24	2024-11-22	1095
Discharge, cubic feet per second	1962-10-01	2024-11-22	35151
Gage height, feet	1986-10-01	2024-11-22	26165
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987-07-13	2024-11-22	39233
Dissolved oxygen, water, unfiltered, milligrams per liter	1987-07-13	2024-11-22	36156
pH, water, unfiltered, field, standard units	1987-08-31	2024-11-22	25408
pH, water, unfiltered, field, standard units	1987-07-13	1999-09-30	4148
Daily Statistics
Temperature, water, degrees Celsius	1987-07-13	2024-05-29	12992
Discharge, cubic feet per second	1962-10-01	2024-09-29	22645
Gage height, feet	1986-10-01	2024-09-29	13211
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987-07-13	2024-05-29	13120
Dissolved oxygen, water, unfiltered, milligrams per liter	1987-07-13	2024-05-29	11904
pH, water, unfiltered, field, standard units	1987-07-13	1999-09-30	4148
Monthly Statistics
Temperature, water, degrees Celsius	1987-07	2024-05
Discharge, cubic feet per second	1962-10	2024-09
Gage height, feet	1986-10	2024-09
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987-07	2024-05
Dissolved oxygen, water, unfiltered, milligrams per liter	1987-07	2024-05
pH, water, unfiltered, field, standard units	1987-07	1999-09
Annual Statistics
Temperature, water, degrees Celsius	1987	2024
Discharge, cubic feet per second	1963	2024
Gage height, feet	1987	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1987	2024
Dissolved oxygen, water, unfiltered, milligrams per liter	1987	2024
pH, water, unfiltered, field, standard units	1987	1999
Peak streamflow	1963-02-18	2024-01-24	62
Field measurements	1962-05-16	2024-11-05	563
Field/Lab water-quality samples	1964-11-04	2023-12-20	668
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