USGS Surface Water for USA: Streamflow Measurements

USGS - science for a changing world

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
Full News

Streamflow Measurements for the Nation

USGS 08177800 Olmos Res at San Antonio, TX

Bexar County, Texas

Hydrologic Unit Code 12100301

Latitude 29°28'24", Longitude 98°28'26" NAD27

Drainage area 32.4 square miles

Contributing drainage area 32.4 square miles

Gage datum 0 feet above NGVD29

**Output formats**
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format

Meas. Number	Date Time	Time Datum	Measurement Used?	Who	Measuring Agency	Stream flow (ft³/s)	Gage Height (ft)	GH Change (ft)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code	Channel Number	Channel Name	Meas. type	Stream flow method	Velocity method	Channel flow (ft3/s)	Channel width (ft)	Channel area (ft2)	Channel vel. (ft/s)	Channel stability	Channel material	Channel evenness	Long. vel. desc.	Horz. vel. desc.	Vert. vel. desc.	Channel loc. code	Channel loc. dist.(ft)
27	1995-03-07 07:56	CST	Yes	JAT/JFW	USGS	28.9	4.62	-0.05	0.30	Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	28.9	13.5	19.1	1.51	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
26	1995-01-26 11:02	CST	Yes	JAT	USGS	6.97	4.30	-0.01	0.50	Fair	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	6.97	9.50	4.78	1.46	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
25	1994-06-24 12:42	CDT	Yes	JAT/JFW	USGS	0.10	3.95	0.00		Poor		NONE	1	Imported Channel 1	OTHR	other		0.10				UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
24	1994-05-19 09:42	CDT	Yes	JAT	USGS	1.12	4.07	0.00	0.40	Fair	DebrisLight	NONE	1	Imported Channel 1	WADE	unspe	unkno	1.12	7.60	3.30	0.34	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
23	1994-03-22 10:26	CST	Yes	JAT	USGS	0.13	3.95	0.00		Poor		NONE	1	Imported Channel 1	WADE	unspe	unkno	0.13	1.40	0.42	0.31	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
22	1993-10-22 09:26	CDT	Yes	JAT/JOP	USGS	0.22	4.01	0.00		Poor	DebrisModerate	NONE	1	Imported Channel 1	WADE	unspe	unkno	0.22	1.00	0.15	1.50	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
21	1993-04-08 12:54	CDT	Yes	MET	USGS	8.00	4.20	0.00	0.50	Good	DebrisHeavy	NONE	1	Imported Channel 1	WADE	unspe	unkno	8.00	17.0	9.81	0.82	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
20	1993-02-17 13:45	CST	Yes	MET	USGS	8.33	4.35	0.00	0.50	Fair	DebrisHeavy	NONE	1	Imported Channel 1	WADE	unspe	unkno	8.33	16.0	8.69	0.96	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
19	1992-12-22 08:35	CST	Yes	MET	USGS	9.66	4.44	0.00	0.60	Good		NONE	1	Imported Channel 1	WADE	unspe	unkno	9.66	17.0	8.78	1.10	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
18	1992-10-28 14:16	CST	Yes	MET	USGS	1.41	4.32	0.00	0.30	Fair	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	1.41	15.0	3.63	0.39	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
17	1992-08-19 10:28	CDT	Yes	MET	USGS	8.69	3.69	0.00	1.00	Fair	DebrisHeavy	NONE	1	Imported Channel 1	WADE	unspe	unkno	8.69	13.0	6.35	1.37	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
16	1992-03-25 08:35	CST	Yes	MET	USGS	16.7	2.50	0.00	0.90	Good	DebrisLight	NONE	1	Imported Channel 1	WADE	unspe	unkno	16.7	12.0	10.2	1.64	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP

Questions or Comments
Automated retrievals
Help

Data Tips
Explanation of terms
Subscribe for system changes
News

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Texas Water Data Support Team
Page Last Modified: 2023-12-08 02:04:22 EST
0.41 0.38 vaww02