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

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  • Colorado River at Lost Pines Nature Trails
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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)
    01/17/2019 14:00 22 14 5 8.14 < 6 8.05 78.89 460 14 0 0.298 50
    12/29/2018 14:00 23 15.5 5 8.15 2 7.4 74.74 460 20 0 0.138 60
    09/26/2018 11:30 29.5 28 3 7.96 < 4 4.8 60.48 460 17 0 0.225 80
    07/20/2018 10:45 28 30 3 8.25 < 4 4.8 62.4 530 30 0 0.14 30
    06/19/2018 10:45 27 27 3 8.1 < 2 4.8 59.52 520 29 0.09 0.346
    05/01/2018 11:00 22 22.5 3 8.2 8 5.7 65.55 750 7 0 0.456
    03/22/2018 13:00 25 21 3 8.5 4 8 89.6 750 30 0 > 1.2 20
    02/26/2018 13:30 19.5 17.5 3 8.38 < 4 8.95 93.98 760 30 0.75 0.49 20
    01/23/2018 14:15 17.5 13 2 8.8 2 11 105.6 720 30 0 > 1.1
    12/01/2017 14:00 23 19.5 3 8.5 < 2 9.5 103.55 710 30 0.41 0.926 20
    09/30/2017 11:11 24.5 24.5 5 8.05 < 1 4.8 57.12 460 0 0.52 0.05 1210
    08/25/2017 11:30 25 29.2 3 8.1 1 4.1 52.64 520 30 0.7 0.242 50
    07/26/2017 10:45 32 29 3 8 < 1 4.3 55.04 600 30 0.02 0.733
    06/27/2017 11:00 27 27.5 5 8.17 < 1 5 62.5 540 27 0.12 0.358 40
    05/19/2017 11:00 29 27 8.07 < 1 4.8 59.52 560 30 0 0.524 10
    03/16/2017 13:00 23.5 19.7 3 7.5 < 2.25 5.7 62.36 520 5 0.01 0.35 50
    02/18/2017 14:00 29.5 19.5 3 7.5 1.5 5.85 63.76 560 4 0 0.276 30
    01/19/2017 14:15 18 13 4 7 < 0.5 7 300 0 2.36 0.38 2720
    12/12/2016 13:30 17 15 5 7.5 < 1.5 7.05 70.5 540 6 0 0.294 90
    11/15/2016 13:45 27.5 22.5 5 7.5 < 1.5 5.6 64.4 440 6 0 0.19 660
    10/13/2016 10:35 26.5 25 3 7.5 < 2.25 5.4 64.8 550 17 0 0.325 50
    09/06/2016 10:50 26 28.5 3 7.5 < 2.25 4.15 52.7 550 14 0 0.452 70
    07/02/2016 10:50 31.5 28.5 5 7.5 < 1.5 4.6 58.42 500 17 0.01 0.177 10
    03/27/2016 13:00 19.5 20 5 7.5 < 1.5 6.2 68.2 600 16 0.78 0.217 80
    02/13/2016 13:10 22.5 17 3 8.5 < 1 10.2 106.08 780 30 0 0.69 40
    12/22/2015 14:14 26 18 3 7.5 2.25 7.45 78.97 680 9 0 0.36 150
    11/11/2015 14:45 24 19.5 5 7.5 < 4.5 6.25 68.12 590 4 0 0.144 70
    09/30/2015 10:30 27 26.5 3 7.5 < 7.5 5.1 62.73 770 30 0 0.4 50
    08/20/2015 10:40 26 29 3 7.5 < 6 4.8 61.44 740 30 0.13 0.39 40
    07/14/2015 10:15 24 29.5 3 7.5 6 4.9 63.21 740 14 0 0.347 50
    06/06/2015 10:30 27 27 5 7.5 3 5.1 63.24 650 7 0 0.23 30
    04/02/2015 11:05 23 23.5 3 8 4.5 6.5 76.05 730 24 0 1.18 10
    02/19/2015 14:10 20.4 14.5 3 7.5 4.5 10.3 101.97 750 16 0.07 > 1.2
    01/19/2015 14:00 22 13 3 8 < 3 11.35 108.96 700 8 0 0.85
    12/20/2014 14:00 25 24.5 2 8 < 6 7.1 84.49 590 30 0 1.178 10
    12/15/2014 14:00 24.5 20 3 7.5 4.5 .89 9.79 720 23 0 0.65
    11/19/2014 15:00 16 12.5 2 8 9 11.2 106.4 740 13 0.02 > 1
    09/07/2014 10:15 26.5 29 5 7.5 4.5 4.85 62.08 640 3 0.3 0.365 80
    08/11/2014 10:25 31.5 31 3 7.5 6 5.25 69.3 720 30 0 0.424 20
    07/18/2014 10:45 24.5 29 3 7.5 < 4.5 4.1 52.48 670 0 0.73 0.36 110
    06/16/2014 10:10 27 29 3 7.5 < 3 4.35 55.68 530 4 0.09 0.39 80
    04/08/2014 15:30 23 20.5 3 8 6 6.6 73.26 790 1 0.28 0.678 150
    03/18/2014 15:45 27 19.5 2 8 < 4.5 8.1 88.29 750 30 0.06 0.612
    02/15/2014 14:15 22.5 14.5 2 8 < 4.5 11 108.9 790 30 0 0.697 10
    12/22/2013 14:15 12.5 15 3 8 < 2.25 9.4 94 780 30 0.26 0.594 60
    11/11/2013 13:10 23 20 3 7.5 < 4.5 5.75 63.25 660 11 0.05 0.326
    10/11/2013 11:10 27 24.9 3 8 6 5.1 61.1 660 30 0.25 0.56 60
    09/08/2013 09:45 26 29.5 3 7.5 < 4.5 3.05 39.34 720 30 0.25 0.75 20
    08/11/2013 09:50 30 30.5 3 8 2.25 3.2 41.92 650 30 0.2 0.72
    07/12/2013 09:45 29 30 3 8 1.5 4.3 55.9 610 30 0 0.615
    06/11/2013 10:45 25.5 29 3 8 4.5 5.25 67.2 630 2 0.39 0.59
    05/06/2013 12:45 24 21.5 3 8 3 8.6 97.18 620 30 0 > 1.2
    04/12/2013 13:15 23 20.5 3 8 6 7 77.7 710 30 0.21 0.7 10
    03/04/2013 13:20 29 18 2 8 7.5 9.8 103.88 800 30 0 > 1.2
    02/08/2013 14:20 21 19 2 8 < 9 7.1 76.68 800 29 0.03 > 1.2
    01/07/2013 14:05 12.5 9.5 3 8 6 11.35 101.01 770 28 0.13 > 1.2 10
    12/04/2012 10:00 22 20.5 2 8 7.5 5.55 61.6 780 30 0 > 1.2 60
    11/06/2012 10:00 18 20 2 8 7.5 7 77 770 24 0 > 1.2 20
    10/02/2012 10:05 21.5 23 5 8 6 6.05 70.18 660 3 0 1 100
    09/07/2012 09:10 26 29 2 8 4 5.9 75.52 650 21 0 > 1.2 70
    08/07/2012 09:50 29 30 2 8 5 5.1 66.3 720 30 0 0.85 30
    07/10/2012 13:40 28.5 30.5 3 8 4 9 117.9 620 0 0.78 1 70
    05/23/2012 10:20 25.5 27.5 2 8 4 7 87.5 570 13 0 0.35 10
    04/10/2012 13:30 26.5 27 3 8 2 10 124 730 14 0 1.05 10
    02/09/2012 10:30 11.5 12.5 5 7.5 < 4 9 85.5 570 5 0.04 0.2 270
    01/10/2012 11:20 12 12 3 8 < 4 10.9 102.46 780 1 0.14 > 1.2 380
    12/11/2011 15:40 11 12 3 8 < 1 11.6 109.04 610 8 0 > 1.2 320
    11/08/2011 13:18 29.5 20.5 3 8 6 9.6 106.56 760 30 0 > 1.2
    10/10/2011 13:35 24 24 3 8 < 1 8.8 103.84 560 1 1.3 > 1.2 80
    04/30/2011 13:25 30 24 3 7.5 < 1 6.8 80.24 490 150 0 0.55 140
    01/23/2011 09:50 8 9.5 2 8 < 1 12.2 108.58 570 5 0 0.89
    12/12/2010 13:05 12.5 13 3 8 < 1 10 96 620 10 0 1.05
    09/05/2010 08:25 24 25.5 3 8 < 1 5.4 65.34 490 2 0.33 0.19
    08/09/2010 11:45 30 30 3 530 21 0 0.21
    07/17/2010 08:25 26 28 3 7.5 < 1 5 63 530 10 0.15
    05/18/2010 12:45 32 25 5 480 3 1.37 0.2 33
    05/16/2010 09:10 24 22 5 8 < 1 5.6 63.84 500 1 3.32 0.07
    04/24/2010 09:08 18 17.5 5 7 < 1 7.15 75.08 510 5 0.13
    03/05/2010 13:20 19.5 15 3 4 0 0.82 217
    02/28/2010 09:15 10.5 12 3 8.5 < 1 10.9 102.46 650 5 0
    12/13/2009 10:55 12 10.5 3 7.5 < 1 9.2 83.72 700 0 0.21
    10/11/2009 08:30 14 19 3 7.5 < 1 6.5 70.2 550 2 0.35 0.2
    09/13/2009 09:00 22 24.5 5 7.5 < 1 5.65 67.24 470 1 2.4 0.21
    08/09/2009 08:30 27.5 28.5 3 8.5 < 1 4.85 61.6 500 30 0 0.28
    07/05/2009 09:45 29.5 28.5 3 8.5 < 1 4.8 60.96 490 21 0 0.36
    06/07/2009 09:45 27.5 26 3 8 < 1 5 61 490 4 0
    05/10/2009 08:45 25 26 3 7 < 1 4.4 53.68 500 6 0.46
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