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°29'18",   Longitude 99°42'16"   NAD27

Uvalde County, Texas, Hydrologic Unit 12110106

Drainage area: 389 square miles

Contributing drainage area: 389 square miles,

Datum of gage: 1,203.54 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1991-10-01	2025-05-18
Daily Data
Temperature, water, degrees Celsius	1996-11-15	1998-08-22	1869
Discharge, cubic feet per second	1924-09-30	2025-05-17	58262
Gage height, feet	1996-08-23	2025-05-17	11159
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1996-11-15	2024-03-11	5696
Dissolved oxygen, water, unfiltered, milligrams per liter	1996-11-15	1998-08-22	1793
pH, water, unfiltered, field, standard units	1996-11-15	1998-08-22	1866
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2024-03-11	2025-05-17	373
Daily Statistics
Temperature, water, degrees Celsius	1996-11-15	1998-08-22	623
Discharge, cubic feet per second	1924-09-30	2025-03-05	36316
Gage height, feet	1996-08-23	2024-07-10	10071
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1996-11-15	2024-03-11	4450
Dissolved oxygen, water, unfiltered, milligrams per liter	1996-11-15	1998-08-22	598
pH, water, unfiltered, field, standard units	1996-11-15	1998-08-22	622
Monthly Statistics
Temperature, water, degrees Celsius	1996-11	1998-08
Discharge, cubic feet per second	1924-09	2025-03
Gage height, feet	1996-08	2024-07
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1996-11	2024-03
Dissolved oxygen, water, unfiltered, milligrams per liter	1996-11	1998-08
pH, water, unfiltered, field, standard units	1996-11	1998-08
Annual Statistics
Temperature, water, degrees Celsius	1997	1998
Discharge, cubic feet per second	1924	2025
Gage height, feet	1996	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1997	2024
Dissolved oxygen, water, unfiltered, milligrams per liter	1997	1998
pH, water, unfiltered, field, standard units	1997	1998
Peak streamflow	1923-09-18	2024-07-24	100
Field measurements	1923-09-18	2025-04-17	914
Field/Lab water-quality samples	1960-04-25	2024-02-13	401
Water-Year Summary	2005	2024	20
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