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

  • Site 121
  • Shoal Creek at Northwest Park
  • 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)
    01/30/2012 17:00 16.5 13 1 7.5 1 8.45 81.12 520 6 0 > 1.22 70
    11/28/2011 15:55 17 13 1 7.5 < 1 8.5 81.6 410 3 1.11 > 1.22
    10/19/2011 10:20 17.5 14.5 1 7.5 < 1 3.15 31.18 810 10 0 1.15 250
    09/29/2011 16:20 26 1 30 0
    08/30/2011 11:30 34.5 25 1 7.5 < 1 5.4 64.8 1000 30 0 0.442
    07/31/2011 20:00 32.5 31 1 7 < 1 8.55 112.86 370 39 0 0.97
    06/30/2011 20:25 32 30 1 7.5 < 1 8.85 115.05 8 0 1
    06/07/2011 09:40 29 27 2 6.9 < 1 1.45 17.98 460 21 0 0.85
    05/31/2011 12:30 33 28.5 1 7.5 < 1 5.05 64.13 340 11 0 1.15 60
    04/26/2011 18:35 31 27.5 1 7.5 < 1 5.2 65 700 83 0 0.535
    03/31/2011 16:40 28 18 2 7.5 < 1 10 106 660 20 0 0.88
    03/30/2011 17:30 19 16 1 7.5 < 1 7.65 78.03 530 56 0 > 1.22 30
    02/24/2011 17:40 25 19 1 7.5 < 1 6.9 74.52 480 23 0.9 0.5
    01/30/2011 17:30 21.5 18 1 7.5 < 1 9.35 99.11 450 15 0 > 1.22 50
    12/31/2010 16:25 18 15.5 1 7.5 < 1 3.4 34.34 430 4 0.04 0.98
    11/22/2010 16:40 26 21 3 7.5 < 1 9 100.8 520 11 0 > 1.22
    10/25/2010 10:30 23.5 23 1 7.5 < 1 4.2 48.72 420 33 0.01 > 1.22 20
    09/29/2010 18:30 21.5 25 1 7.5 < 1 10.05 120.6 350 8 0 > 1.22
    08/22/2010 19:30 34 31.5 1 7.5 < 1 10.1 134.33 370 11 0 > 1.22
    07/20/2010 20:00 31 31 2 7.5 < 1 11.75 155.1 380 11 0 > 1.22 210
    06/13/2010 20:00 30 29.5 3 7.5 < 1 9.55 123.2 380 4 0 > 1.22
    05/20/2010 19:00 28 27 3 7.5 < 1 6.95 86.18 350 4 0.02 > 1.22
    04/23/2010 16:50 31 25 3 7.5 < 1 8.3 99.6 500 7 0.03 > 1.22 210
    03/17/2010 15:40 21 18.5 3 8 < 1 9.7 103.79 410 1 0.99 > 1.22 582.75
    02/13/2010 15:30 4.5 11 3 7.5 < 1 12.3 113.16 530 2 0.54 > 1.22
    01/11/2010 15:25 13 7 1 7 < 1 18.4 154.56 610 14 0 > 1.22
    12/09/2009 15:00 6 9.5 3 7 < 1 10.6 610 8 0.14 > 1.22
    11/09/2009 14:45 23 20.5 3 7.5 < 1 5.45 300 1 0.76 0.9375
    09/21/2008 15:30 31 27 1 7.8 96.72 540 30 0
    06/16/2008 19:25 34 30.5 1 7.5 < 1 4.6 60.26 330 7 0
    04/06/2008 17:00 29.5 28 3 8 < 1 9 113.4 440 5 0.25
    02/24/2008 17:15 23 19.5 1 7.5 < 1 7.55 82.3 370 5
    01/20/2008 15:55 12 13 3 7.5 < 1 9.7 93.12 340 7
    10/07/2007 18:33 27.5 26.5 1 8 7.25 89.18 370 9 0
    07/27/2007 19:30 27 26 5 7.5 < 1 6.3 76.86 400 1 1
    04/24/2007 16:00 23 22.5 2 8 < 1 16 184 380 5 3
    03/11/2007 17:05 17 18 3 7 < 1 6.2 65.72 640 0
    01/27/2007 11:30 16 13 3 7.5 < 1 9.93 95.36 580 3
    10/22/2006 15:30 15 10 3 8 < 1 10.4 320 6 0
    08/13/2006 17:00 39.5 34 No Flow 8.5 < 1 8.25 113.85 7 0
    07/09/2006 18:15 31 30 No Flow 7 < 1 7.4 96.2 6 0
    05/21/2006 20:15 28 27.5 No Flow 7.5 < 1 6.75 84.38 510
    04/23/2006 10:00 26 23.5 High 7.5 < 1 6.45 75.47 260 2
    02/05/2006 14:30 26 19.5 Normal 8 < 1 9.85 107.37 440 5 0
    01/14/2006 12:15 17.5 11.5 No Flow 8 < 1 7.6 70.68 660 28 1
    11/20/2005 16:30 Low 8 < 1 10 680 0 93.25
    09/24/2005 18:30 100 No Flow 8 < 1 7 810 14 0
    08/28/2005 15:45 33 32 Low 8 < 1 7.7 103.18 450
    07/17/2005 16:30 26.5 25.5 Normal 7.5 < 1 5.6 67.76 310 0 0
    06/05/2005 16:30 32 31.5 Normal 9 < 1 8.6 114.38 330 7 0
    04/21/2005 17:30 25 24.5 No Flow 8 1 10.1 120.19 1
    03/20/2005 17:35 22 21.5 Low 8 < 1 10 113 490 1 0.22
    02/21/2005 16:35 25.5 25.1 Low 8 < 1 15 180.3 440 1 1 0 0
    01/12/2005 17:35 21.5 20.5 Normal 7.2 < 1 11.25 124.88 450 7 0
    11/02/2003 16:35 24 25 High 8 < 1 5.87 70.4 320 > .23
    04/12/2003 11:27 21.5 25 Normal 8.5 < 1 13.05 156.6 630 7 0
    01/18/2003 16:15 15 11 Normal 8.1 < 1 13.6 125.12 650 5
    11/30/2002 12:40 18 14.5 Normal 8.1 < 1 11.25 111.38 470 10 0 > .2
    10/23/2002 17:20 21.5 21 7.7 < 1 8.85 99.12 280 1
    04/18/2002 09:32 25.5 23 Low 7.5 < 1 2.3 25.7 590 2 0.1
    07/10/2001 18:17 34 27.5 8.4 < 1 6.9 84.9 380 0
    05/02/2001 10:24 24.5 23.5 Normal 7.6 < 1 4.9 56.4 740 15 0
    04/18/2001 12:10 16 15 Low 7.1 < 1 5 48.5 1 0.25
    10/26/2000 11:26 22 22 High 7.5 < 1 6.2 69.4 710 0 1.5
    05/25/2000 18:00 31 29 8.6 < 1 8.2 103.3 5 0
    04/18/2000 15:45 35 24 Low < 1 9.4 109.6 5 0 .3
    02/20/2000 10:00 13.5 13 Low 8.1 < 1 11.3 105.8 1 0
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