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


Page Loading - Please Wait...

Click to hideNews Bulletins
! This page is undergoing modernization with expected decommissioning as key features are added to the modernized pages.
Learn more about our modernization plans to find out which options will suit you best. Next Generation Monitoring Location Page is available now.
A beta version of the My Favorites page is available in WDFN. Try it out and tell us what you think at wdfn@usgs.gov

USGS 08181800 San Antonio Rv nr Elmendorf, TX

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Funding for this site is provided by the cooperators / programs below:
Click to go to the San Antonio Water System web page

San Antonio Water System
Click to go to the Cooperative Matching Funds web page

Cooperative Matching Funds
Rainfall Disclaimer

retransmission, forecasts and summary of this location by the National Weather Service
Retransmission, forecasts and summary by the National Weather Service
This station managed by the San Antonio Field Unit.

Available Parameters Available Period
  
2007-10-01  2025-12-10
2022-12-11  2025-12-10
1986-10-14  2025-12-10
2007-10-01  2025-12-10
2007-10-01  2025-12-10
2007-10-01  2025-12-10
2007-10-01  2025-12-10
2011-01-06  2025-12-10
2019-04-15  2025-12-10







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
Most recent instantaneous value: 21.4 12-10-2025   13:30 CST
Graph of

Add up to 2 more sites and replot for "Temperature, water, degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Precipitation, total, inches
Most recent instantaneous value: 0.00 12-10-2025   13:30 CST
Graph of

Add up to 2 more sites and replot for "Precipitation, total, inches"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Discharge, cubic feet per second
Most recent instantaneous value: 158 12-10-2025   13:30 CST
Graph of

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for Dec 10 based on 63 water years of record more
Min
(2025)		 Most Recent
Instantaneous
Value Dec 10		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2003)
131 158 216 287 391 436 1970

Gage height, feet
Most recent instantaneous value: 9.94 12-10-2025   13:30 CST
Graph of

Add up to 2 more sites and replot for "Gage height, feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 1550 12-10-2025   13:30 CST
Graph of

Add up to 2 more sites and replot for "Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 7.7 12-10-2025   13:30 CST
Graph of

Add up to 2 more sites and replot for "Dissolved oxygen, water, unfiltered, milligrams per liter"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


pH, water, unfiltered, field, standard units
Most recent instantaneous value: 8.0 12-10-2025   13:30 CST
Graph of

Add up to 2 more sites and replot for "pH, water, unfiltered, field, standard units"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
Most recent instantaneous value: 12.0 12-10-2025   13:30 CST
Graph of

Add up to 2 more sites and replot for "Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
Most recent instantaneous value: 20.2 12-10-2025   13:00 CST
Graph of

Add up to 2 more sites and replot for "Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |