LCRA LogoColorado River Watch Network (CRWN) Water Quality Data

  • Site 406
  • Lake Marble Falls at Lakeview Dr Cottonwood Shores
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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)
    04/23/2015 15:00 30 22 3 8.3 < 0.25 7.2 82.08 520 6 0 > 1 30
    03/12/2015 13:15 24 20 1 8.2 < 0.25 7.8 85.8 510 3 0.65 > 1 10
    01/17/2015 11:00 22 12 2 8.4 < 0.25 10.4 97.76 480 15 0.02 > 1
    12/17/2014 16:15 14 14 3 8.1 < 0.25 8 78.4 490 24 0.01 > 1
    11/16/2014 13:00 18 15 3 8.2 < 0.25 8.2 82 500 10 0 > 1 10
    10/30/2014 15:30 24 23 3 8.4 < 0.25 7.8 90.48 490 19 0 .8 30
    09/23/2014 15:00 28 28 3 8.4 < 0.25 9.6 120.96 490 18 0 .6 40
    08/20/2014 10:00 27 29 3 8.4 < 0.25 7.3 93.44 480 22 0.16 .6
    07/26/2014 11:30 30 28 3 8.7 < 0.25 5.8 73.08 470 11 0.02 .9
    06/27/2014 10:30 29 26 3 8.2 < 0.25 5.3 64.66 480 15 0 0.8 70
    05/15/2014 10:00 27 25 3 8.3 < 0.25 7.2 86.4 490 3 1.15 0.8 30
    04/29/2014 14:45 25 22 3 8.7 < 0.25 9.1 103.74 500 22 0 > .9 30
    03/20/2014 13:40 22 16 3 8.6 < 0.25 11.5 117.3 490 30 0 .9 10
    02/18/2014 14:30 28 14 3 8.5 < 0.25 9.5 93.1 500 30 0 1 20
    01/21/2014 12:45 17 13 3 8.7 < 0.25 9.1 87.36 500 22 0 0.9 50
    12/18/2013 13:00 16 11 3 8.5 0.25 10 92 510 22 0 1
    11/11/2013 10:30 23 20 7.5 < 0.25 6.8 74.8 500 25 0 .5 50
    09/17/2013 09:20 27 27 3 8 < 0.25 2.8 34.72 520 30 0 .9 30
    08/23/2013 14:00 30 29 8.3 < 0.25 6.9 88.32 480 27 0 > 1
    07/24/2013 13:30 34 30 3 8.4 < 0.25 7 91 480 3 0.25 1
    06/29/2013 08:00 24 25 3 8.1 < 0.25 6.2 74.4 540 10 0 .7 30
    04/21/2013 12:00 20 19 3 8.3 < 0.25 8.7 93.96 440 19 0.12 > .3
    03/12/2013 12:15 24 17 3 8.4 < 0.25 9.6 99.84 420 3 0.77 > .6
    02/07/2013 09:30 20 15 8.3 7.4 74 450 28 0.4 > .5
    01/12/2013 11:00 19 12 8.3 < 1 8.3 78.02 430 3 1.38 > .4
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