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...

This page will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline.

DESCRIPTION:

Latitude 31°16'26",   Longitude 100°37'50"   NAD27

Tom Green County, Texas, Hydrologic Unit 12090102

Drainage area: 226 square miles

Contributing drainage area: 218 square miles,

Datum of gage: 2,001.76 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2026-01-18
Daily Data
Discharge, cubic feet per second	1960-10-01	2018-10-19	13885
Gage height, feet	1987-07-08	2026-01-17	11882
Daily Statistics
Discharge, cubic feet per second	1960-10-01	2018-10-19	13151
Gage height, feet	1987-07-08	2025-06-03	11654
Monthly Statistics
Discharge, cubic feet per second	1960-10	2018-10
Gage height, feet	1987-07	2025-06
Annual Statistics
Discharge, cubic feet per second	1961	2019
Gage height, feet	1987	2025
Peak streamflow	1961-06-18	2024-07-23	64
Field measurements	1960-09-30	2025-05-06	411
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1965-02-26	2001-07-18	4
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