LCRA Logo   Colorado River Watch Network (CRWN) Water Quality Data

  • Site 391
  • Walnut Creek at Granite Shoals Dr
  • Hydromet Rainfall
  • Hydromet Flow
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    Date Time Air Temp (C) Water Temp (C) Flow pH Nitrates-N (mg/L) DO Avg (mg/L) DO % Sat Cond (µS/cm) Days Since Rain Field Rain Gauge (in.) Secchi (M) Transparency (M) E.coli (cfu's)
    03/24/2016 11:00 24 22 2 8.2 < 2 9.1 103.74 430 4 0 .3
    02/18/2016 12:30 25 23 2 8.4 < 1 9.3 107.88 470 30 0 .3
    12/10/2015 15:30 26 19 2 8.7 < 0.25 9.5 102.6 430 11 0 .4
    08/20/2015 13:30 1 30 0
    07/02/2015 14:00 32 31 2 8.4 < 0.25 7.1 93.72 350 4 1.7 .4
    06/18/2015 13:30 32 31 2 8.3 < 0.25 7.6 100.32 530 2 0.26 .8
    10/30/2014 14:00 1 19
    06/19/2014 09:00 1 7 0
    01/21/2014 10:00 6 22 0
    12/18/2013 10:00 6 22 0
    11/11/2013 08:30 6 25
    09/17/2013 12:30 1 1 1.39
    08/23/2013 10:00 1 30
    07/24/2013 12:00 1 3 0.46
    06/29/2013 10:15 6 10
    04/21/2013 10:45 21 17 2 8.3 < 0.25 7.7 80.08 390 19 0.06 > .3
    03/12/2013 11:00 22 21 2 8.5 < 0.25 9.8 109.76 420 3 0.99
    01/12/2013 12:30 19 12 2 8.3 < 1 8.3 78.02 430 3 1.3 > .3
    11/23/2012 08:30 18 1 30
    10/11/2012 16:20 27.5 30 2 8.6 < 1 8.5 110.5 360 11 0
    09/15/2012 13:00 23 1 1 2.57
    08/16/2012 09:30 1 30
    07/12/2012 09:00 1 4
    06/16/2012 09:00 1 30 0
    05/10/2012 08:15 22 21 2 8.2 < 1 7 78.4 430 2 0.82 > .3
    04/14/2012 10:00 26 25 2 8.5 < 1 8.6 103.2 420 24 0 .2
    03/07/2012 09:00 20 19 2 8 < 1 8.5 91.8 490 18 0 .4
    02/23/2012 10:00 26 19 2 8.3 < 1 8.6 92.88 500 4 0 .3
    01/07/2012 12:30 6 16 0
    12/15/2011 12:20 16 16 1 8.7 2 8.7 88.74 390 4 0 > .4
    11/08/2011 15:00 30 6 30 0
    10/11/2011 09:00 19 6 2
    09/08/2011 13:15 6 30 0
    08/07/2011 14:30 6 30 0
    07/12/2011 11:45 6 21 0
    06/13/2011 14:30 6 32 0
    05/13/2011 15:30 28.5 27.5 1 8.1 < 2 4.6 57.5 660 1 2.53
    04/16/2011 09:30 15 15 1 8.2 < 1 6 60 490 5 0
    03/06/2011 15:00 20.5 19.5 2 8.4 < 1 10.7 116.63 710 33 0
    02/08/2011 13:30 18 14 2 8.3 < 1 9.8 96.04 610 7 0 > .25
    01/06/2011 14:15 19 14 2 8.5 < 1 10.2 99.96 650 87 0
    11/29/2010 10:05 22 18.5 2 7.5 < 1 6 64.2 590 49 0
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