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San Antonio River Basin Monitor Summary

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Parameter Monitored POC First Valid Data Monitor Status
USGS Medina Rv nr Macdona C711
    Surface Water Temperature 1 Oct 20, 2004 Active
Water Flow Rate 1 Oct 20, 2004 Active
Gage Height 1 Oct 20, 2004 Active
Surface Specific Conductance 1 Oct 20, 2004 Active
Turbidity 1 Oct 20, 2004 Deactivated Nov 4, 2005
Surface Dissolved Oxygen 1 Jan 28, 2005 Active
Surface Water pH 1 Jan 28, 2005 Active
San Antonio River at Witte Museum C712  Deactivated: May 16, 2016
    Surface Water Temperature 1 Jun 24, 2006 Deactivated May 15, 2016
Surface Specific Conductance 1 Jun 24, 2006 Deactivated May 15, 2016
USGS Leon Ck at IH-35 C713
    Surface Water Temperature 1 Feb 7, 2005 Deactivated Dec 28, 2007
Water Flow Rate 1 Oct 20, 2004 Active
Gage Height 1 Oct 20, 2004 Active
Surface Specific Conductance 1 Feb 7, 2005 Deactivated Dec 28, 2007
Surface Dissolved Oxygen 1 Feb 7, 2005 Deactivated Dec 28, 2007
Surface Water pH 1 Feb 7, 2005 Deactivated Dec 28, 2007
Precipitation 1 Jun 11, 2005 Deactivated Jul 12, 2007
USGS Medina Rv at San Antonio C714
    Surface Water Temperature 1 Mar 9, 2005 Active
Water Flow Rate 1 Oct 20, 2004 Active
Gage Height 1 Oct 20, 2004 Active
Surface Specific Conductance 1 Mar 9, 2005 Active
Turbidity 1 Mar 10, 2005 Active
Surface Dissolved Oxygen 1 Mar 10, 2005 Active
Surface Water pH 1 Mar 10, 2005 Active
USGS San Antonio Rv at Elmendorf C715
    Surface Water Temperature 1 Oct 20, 2004 Active
Water Flow Rate 1 Oct 20, 2004 Active
Gage Height 1 Oct 20, 2004 Active
Surface Specific Conductance 1 Oct 20, 2004 Active
Surface Dissolved Oxygen 1 Oct 20, 2004 Active
Surface Water pH 1 Oct 20, 2004 Active
Precipitation 1 Oct 20, 2004 Deactivated Feb 1, 2005
USGS Leon Ck at SH-90 C722  Deactivated: Dec 28, 2007
    Surface Water Temperature 1 May 1, 2005 Deactivated Dec 27, 2007
Surface Specific Conductance 1 May 1, 2005 Deactivated Dec 27, 2007
Surface Dissolved Oxygen 1 May 1, 2005 Deactivated Aug 17, 2005
Surface Water pH 1 May 1, 2005 Deactivated Dec 27, 2007
Salado Creek at Los Patios C760  Deactivated: Aug 8, 2012
    Surface Water Temperature 1 Nov 14, 2007 Deactivated Aug 7, 2012
Sample Depth 1 Nov 14, 2007 Deactivated Aug 7, 2012
Surface Specific Conductance 1 Nov 15, 2007 Deactivated Aug 7, 2012
Turbidity 1 Nov 14, 2007 Deactivated Nov 4, 2009
Surface Dissolved Oxygen 1 Nov 15, 2007 Deactivated Aug 7, 2012
Surface Water pH 1 Nov 14, 2007 Deactivated Aug 7, 2012
USGS Medina River at Applewhite Rd. C769
    Surface Water Temperature 1 Apr 10, 2008 Active
Surface Specific Conductance 1 Apr 10, 2008 Active
Surface Dissolved Oxygen 1 Apr 10, 2008 Active
Surface Water pH 1 Apr 10, 2008 Active
Hollywood Park C774  Deactivated: Jan 29, 2015
    Surface Water Temperature 1 Nov 11, 2009 Deactivated Jan 29, 2015
Water Flow Rate 1 Nov 11, 2009 Deactivated Jan 29, 2015
Water Velocity 1 Nov 11, 2009 Deactivated Jan 29, 2015
Gage Height 1 Nov 11, 2009 Deactivated Jan 29, 2015
Gage Height 2 Nov 11, 2009 Deactivated Jan 29, 2015
Surface Specific Conductance 1 Nov 11, 2009 Deactivated Jan 29, 2015
Turbidity 1 Nov 11, 2009 Deactivated Jan 29, 2015
Medio Creek at Old Pearsall Rd. C783  Deactivated: Oct 7, 2010
    Surface Water Temperature 1 May 27, 2009 Deactivated Oct 7, 2010
Gage Height 1 May 27, 2009 Deactivated Oct 7, 2010
Surface Specific Conductance 1 May 27, 2009 Deactivated Oct 7, 2010
Surface Dissolved Oxygen 1 May 27, 2009 Deactivated Oct 7, 2010
Surface Water pH 1 May 27, 2009 Deactivated Oct 7, 2010

PLEASE NOTE:  This data has not been verified by the TCEQ and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from TCEQ ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.

Following EPA reporting guidelines, negative values may be displayed in our hourly criteria air quality data, down to the negative of the EPA listed Method Detection Limit (MDL) for the particular instrument that made the measurements. The reported concentrations can be negative due to zero drift in the electronic instrument output, data logger channel, or calibration adjustments to the data. Prior to 1/1/2013, slightly negative values were automatically set to zero.