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


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
! 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 08195000 Frio Rv at Concan, 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 Edwards Aquifer Authority web page

Edwards Aquifer Authority

 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

The elevation of this station has been determined to be 1203.54 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 1203.54 feet to gage height values.

This station managed by the San Antonio Field Unit.

Available Parameters Available Period
  
2013-07-25  2025-10-28
2025-06-30  2025-10-28
1991-10-01  2025-10-28
2007-10-01  2025-10-28
2013-07-02  2025-10-28
2015-09-24  2025-10-28







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 24.2 10-28-2025   16:15 CDT
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 10-28-2025   16:15 CDT
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: 32.7 10-28-2025   16:15 CDT
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 Oct 28 based on 100 water years of record more
Min
(1957)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Oct 28		 Median 75th
percen-
tile		 Mean Max
(1997)
0.00 29 32.7 66 140 248 13800

Gage height, feet
Most recent instantaneous value: 3.51 10-28-2025   16:15 CDT
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: 522 10-28-2025   16:15 CDT
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 |


Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
Most recent instantaneous value: 0.22 10-28-2025   16:00 CDT
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 |