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°19'47",   Longitude 98°35'02"   NAD27

Bexar County, Texas, Hydrologic Unit 12100302

Drainage area: 219 square miles

Contributing drainage area: 219 square miles,

Datum of gage: 573.49 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-10-01	2025-01-30
Daily Data
Precipitation, total, inches	2010-10-01	2025-01-29	4832
Discharge, cubic feet per second	1984-09-13	2025-01-29	27396
Gage height, feet	1987-07-09	2025-01-29	25947
Daily Statistics
Discharge, cubic feet per second	1984-09-13	2024-10-02	14627
Gage height, feet	1987-07-09	2024-10-02	13073
Monthly Statistics
Discharge, cubic feet per second	1984-09	2024-10
Gage height, feet	1987-07	2024-10
Annual Statistics
Discharge, cubic feet per second	1984	2025
Gage height, feet	1987	2025
Peak streamflow	1985-06-07	2024-01-22	40
Field measurements	1984-07-27	2025-01-03	279
Field/Lab water-quality samples	1984-07-27	2023-12-18	109
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