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

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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)
    07/19/2024 13:00 29.5 27 2 7.5 < 1 6.9 85.56 440 1 1.43 > 1.2
    05/09/2024 13:15 34 28 2 8 6.1 76.86 450 6 0.37 > 1.2
    03/27/2024 11:45 17 16 2 8 < 1 7.55 77.01 500 10 0.23 0.94
    12/20/2023 09:30 13 11 2 7 < 1 7.7 70.84 440 30 0.2 > 1.2 316.35
    11/10/2023 09:30 13 18 2 8 < 1 6.05 64.13 440 1 1 1.1 249.75
    10/27/2023 10:30 26 25 2 7.5 < 1 5 60 380 1 0.66 > 1.2 299.7
    09/28/2023 12:45 31 25 2 7.5 < 1 5.1 61.2 13 0.05 > 1.2 66.6
    08/25/2023 10:30 36 27 2 7 < 1 5.6 69.44 30 0.04 0.96 149.85
    07/12/2023 10:15 32 27 2 7 < 1 5.85 72.54 410 5 0.01 0.72 83.25
    05/25/2023 14:15 25.5 23 2 7 < 1 6.6 76.56 370 1 1.37 0.91 233.1
    04/28/2023 13:30 26 20 1 7.5 < 1 8.3 91.3 460 20 0.3 1.2 83.25
    03/15/2023 11:00 23 15 2 8 < 1 8.15 81.5 470 30 0.03 0.94 66.6
    12/15/2022 13:00 13 14 2 7 < 1 8.3 81.34 500 19 0.09 1.15 66.6
    08/31/2022 13:00 29 26.5 2 7.5 < 1 5.75 70.72 470 1 0.9 0.87 216.45
    07/28/2022 10:15 34 27.5 2 7.5 < 1 5.7 71.25 480 16 0 > 1.2 99.9
    06/16/2022 14:15 34 27 2 7 < 1 6.6 81.84 450 13 0 > 1.2 183.15
    04/28/2022 13:30 30 21 3 7 < 1 7.8 87.36 490 2 0.33 > 1.2 16.65
    03/30/2022 14:30 24 20 3 7.5 8.95 460 7 0.21 > 1.2 83.25
    02/10/2022 14:00 18 12 2 7.5 < 1 9.4 88.36 490 8 0 0.87 66.6
    01/20/2022 14:15 0 9 2 < 1 9.4 82.72 500 30 0 0.85 16.65
    11/22/2021 16:15 17 15.5 2 8 < 1 7.7 77.77 470 18 0.01 > 1.2 49.95
    10/11/2021 15:30 25 22 2 8 < 1 7.55 86.07 460 10 0 > 1.2 149.85
    09/13/2021 16:30 30 25 2 7.5 < 1 5.45 65.4 480 17 0 > 1.2 270
    08/09/2021 16:00 31 28 3 8 < 1 6.6 83.16 500 6 0 > 1.2 90
    07/12/2021 15:15 29 26 3 8 < 1 6.65 81.13 480 5 0.04 > 1.2 440
    06/23/2021 11:00 30 25 3 8 < 1 7.1 85.2 500 1 1.23 > 1.22 100
    05/07/2021 09:30 25 20 2 6.5 < 1 6 66 5 0.08 > 1.2
    04/11/2021 14:00 22 19 2 7 < 1 9 97.2 420 7 0 > 1.21
    04/11/2021 14:00 22 19 2 7 < 1 9 420 7 0 > 1.2
    01/18/2021 10:50 16 9 2 7 < 0.3 9.2 80.96 470 8 0 > 1.22 20
    11/16/2020 10:45 17 15 2 7 < 0.3 8.2 82 470 18 0 > 1.22
    09/28/2020 11:55 23 22 2 70 6.7 76.38 380 6 0 > 1.22
    08/25/2020 11:30 30 26 2 7 0.3 6 73.2 290 3 1 > 1.22
    07/28/2020 11:55 31 27 2 7 < 0.3 6.1 75.64 430 30 0 > 1.22
    11/29/2019 11:50 12 17 3 < 0.3 6.7 69.68 0 0 > 1.22
    10/24/2019 11:35 29 26 2 7.8 0.3 5.9 71.98 10 0 > 1.22 30
    07/30/2019 09:30 29 26 3 7.1 < 0.3 5.7 69.54 480 19 0 > 1.22
    06/25/2019 13:25 30 23 5 7 < 0.25 7.4 85.84 360 1 2 0.14
    05/28/2019 13:20 26 23 5 7 6.5 75.4 460 18 0 > 1.22
    04/30/2019 12:35 26 22 3 7 < 0.25 7.2 82.08 470 5 0 > 1.22 30
    03/26/2019 11:50 22 18 3 7 < 0.25 8.1 85.86 470 4 0 > 1.22
    02/26/2019 11:20 17 14 3 7 8.8 86.24 490 4 0 > 1.22 30
    01/29/2019 12:30 2 11 5 7 9.1 83.72 490 2 0 > 1.22 50
    12/18/2018 10:35 10 11 5 7 < 0.25 9 82.8 520 9 0 > 1.22 70
    10/30/2018 11:15 23 20 5 7 < 0.25 7.1 78.1 480 4 0 10
    09/25/2018 12:00 30 24 4 0.25 6.5 76.7 480 3 1.39 > 1.22 40
    08/28/2018 12:00 32 27 2 7 4.7 58.28 400 13 0 0.5
    07/31/2018 12:45 30 27 2 7 < 0.5 3.9 48.36 460 20 0 > 1.22 180
    05/22/2018 12:40 28 23 2 7 < 0.25 4.8 55.68 400 1 0.73 > 1.22 10
    04/25/2018 12:05 26 18 2 7 8.1 85.86 440 27 0 > 1.22 30
    03/31/2018 18:20 26.5 26 2 8.95 109.19 440 3 2.03 > 1.17
    02/26/2018 11:30 18 14 2 7 0.25 9.3 91.14 470 3 0.36 > 1.22
    01/23/2018 10:55 12 10 2 7 < 0.25 9.2 82.8 480 3 0 > 1.22 20
    11/28/2017 10:00 17 15 2 7 7.1 71 480 18 0 < 1.22
    10/25/2017 10:40 17 19 2 7 < 0.25 5.55 59.94 530 2 0.32 < 1.22 40
    08/30/2017 11:50 27 23 2 7 < 0.25 6 69.6 450 2 > 1.22 40
    07/26/2017 15:35 35 27 2 7 < 0.25 4.8 59.52 500 2 0.1 1.22 30
    05/30/2017 12:20 27 24 3 7 < 0.25 5.9 69.62 432 1 0 1.2 80
    04/26/2017 12:00 27 22 3 7 < 0.25 7 79.8 490 13 0 > 1.22 30
    03/28/2017 13:10 25 21 5 7 < 0.25 7.1 79.52 500 15 0 > 1.22 20
    09/28/2016 11:25 23 22 5 7 0.25 6.15 70.11 450 2 2.09 < 1.2 80
    08/23/2016 10:40 28 25 5 7 < 0.25 6.5 78 460 2 1.73 1 100
    07/26/2016 12:20 30 26 3 7 < 0.25 6 480 30 0 0.48 250
    06/28/2016 12:15 31 25 5 7 < 0.25 6.2 74.4 480 25 0 0.57 80
    05/24/2016 12:15 26 23 5 7 < 0.25 7.3 84.68 480 5 0 > 1.22 80
    04/26/2016 12:15 27 22 5 7 < 0.25 7.3 83.22 460 4 0 > 1.22
    03/29/2016 11:55 20 17 5 7 < 0.25 7.9 82.16 480 4 0 < 1.22 140
    02/23/2016 11:20 13 17 5 7 8.3 86.32 480 1 1.49
    01/26/2016 10:40 11 13 5 7 < 0.25 8.7 83.52 510 21 0 > 1.22 320
    11/17/2015 11:30 15 18 4 7 < 0.25 7.8 82.68 47 1 0.6 0.27 1900
    10/27/2015 10:00 17 17 3 7 < 0.5 6.35 66.04 360 3 1.65 0.6 400
    07/28/2015 12:15 30 27 3 7 < 0.25 6.5 80.6 460 0.28 0 > 1.22 20
    06/30/2015 10:00 28 25 5 7 < 0.25 6.9 82.8 460 2 0.38 > 1.22 160
    05/26/2015 11:15 22 20 4 7 < 0.25 8.3 91.3 480 3 4.22 0.3 250
    04/28/2015 10:30 16 21 5 7 < 0.25 6.1 68.32 480 3 0.4 > 1.22
    03/24/2015 12:00 24 18 5 7 < 0.25 7.9 83.74 500 3 1.2 > 1.22 80
    02/24/2015 11:40 2 10 3 7 < 0.25 9.5 85.5 490 19 0 > 1.22
    01/29/2015 13:50 19 13 5 7 < 0.25 8.6 82.56 520 1 0 > 1.22
    12/24/2014 11:45 12 14 2 7 6.3 61.74 490 3 0 30
    11/24/2014 10:10 13 14 2 7 < 0.25 6.5 63.7 450 2 2.04 1 490
    09/23/2014 11:45 27 23 3 7 < 0.25 4.45 51.62 340 4 0 0.35
    08/25/2014 12:30 32 27 2 7 0.5 4.8 59.52 500 30 0 0.3 70
    07/29/2014 12:20 33 27 2 7 0.25 2.9 35.96 500 13 0 0.34 320
    06/24/2014 12:30 29 25 2 7 < 0.25 3.6 43.2 390 5 0 0.22
    05/28/2014 12:35 25 20 4 7 < 0.25 7 77 410 1 3.04 0.1
    04/22/2014 12:20 25 18.5 2 7 < 0.25 8 85.6 510 7 0.05 > 1.22
    03/25/2014 11:30 17 14 3 7 < 0.25 9.1 89.18 530 15 0 > 1.22
    02/25/2014 10:20 18 16 2 7 < 0.25 8.2 83.64 520 12 0 > 1.22 30
    01/26/2014 11:00 17 9 3 7 < 0.25 10 88 540 30 0 > 1.22 30
    12/17/2013 10:30 10 9 3 7 < 0.25 9.7 85.36 560 3 0.17 > 1.22 80
    10/30/2013 10:30 23 20.5 5 < 0.25 7 77.7 520 3 0.52 > 1.22 250
    09/24/2013 11:45 29 23 2 7.2 < 0.25 2.8 32.48 250 4 0 0.2 280
    08/20/2013 14:45 29 26 2 7.4 3 36.6 520 4 0 0.27 110
    03/26/2013 13:45 10 13 2 7 < 0.25 6.4 61.44 470 6 0 10
    02/25/2013 12:00 16 12 2 7 < 0.25 7 65.8 480 30 0 30
    01/29/2013 10:00 22 16 2 7 0.25 7.8 79.56 470 21 0
    12/27/2012 10:30 3 1 2 7 0.25 8 57.6 450 30 0 10
    11/19/2012 10:45 19 14 2 7 < 0.25 7.2 70.56 480 30 0 20
    10/23/2012 11:30 24 22 2 7 0.25 5.3 60.42 450 13 0 30
    09/24/2012 12:30 26 23 2 7 0.25 3.9 45.24 370 8 0 170
    08/28/2012 13:06 33 26 2 7 0.75 5.4 65.88 440 14 50
    07/24/2012 13:05 34 26 2 7 0.25 6.3 76.86 340 8 0 110
    06/25/2012 18:20 37 27 3 7 < 1 7.1 88.04 450 8 0 870
    05/21/2012 13:30 27 23 3 7 < 1 5.7 66.12 420 8 0.31 60
    04/28/2012 11:45 27 22 2 8 < 0.25 6.35 72.39 490 30 0 1.17 10
    03/26/2012 13:15 26 19 5 7 < 1 8.2 88.56 530 6 0 170
    02/28/2012 14:00 21 16 2 7 < 1 8.4 85.68 490 14 0 20
    01/23/2012 11:00 13 11 2 7 < 1 9.4 86.48 460 14 0 20
    12/19/2011 15:30 17 15 2 7 < 1 8.4 84 460 1 0.65 70
    11/21/2011 13:30 22 19 2 7 < 1 7.1 76.68 450 5 0 10
    10/24/2011 11:20 22 19 2 7 < 1 3.7 39.96 360 16 0 40
    09/28/2011 12:45 26 23.5 2 7 < 1 7.3 85.41 470 30 0 30
    08/23/2011 10:30 29 28 2 7 < 1 5.1 64.26 480 30 0 10
    07/27/2011 13:15 34 28 2 7 < 1 4.6 57.96 480 9 0 90
    06/29/2011 15:00 35 27 2 7 < 1 5.1 63.24 460 8 0 0.9 520
    05/23/2011 12:30 29 24 2 7 < 1 5.6 66.08 480 11 0 70
    04/19/2011 13:00 24 21 2 7 < 1 6 67.2 450 18 0 40
    03/21/2011 12:30 27 19 2 7 < 1 7.2 77.76 470 20 0 > 1.22 10
    01/26/2011 10:30 7.5 9 2 7 < 1 9.3 81.84 470 10 0 > 1.22 10
    12/28/2010 11:00 12 10 2 7 < 1 8.2 73.8 510 5 0.73 > 1.22 20
    11/10/2010 11:00 21.5 16 2 7 7.25 73.95 500 63 0 1.02 150
    10/27/2010 11:35 23 21 2 7 < 1 7.5 84 490 37 0 > 1.22 30
    09/14/2010 12:30 34 27 5 7 < 1 6.1 75.64 490 6 0 > 1 150
    06/03/2010 17:15 21 23.5 3 7.5 < 1 6.2 520 1 0.73 > 1.22 170
    01/18/2010 11:30 14.5 11 5 7.5 < 1 8.45 77.74 510 3 1.87 > 1 60
    11/08/2009 14:55 19 18 5 7.5 < 1 7.7 81.62 500 0 1 > 1.22 60
    10/21/2009 14:45 23 20 3 7.5 < 1 7.1 78.1 510 0 0.07 > 1.75 > 1.22 270
    08/27/2009 14:45 35.5 27 2 7.5 < 1 4.8 59.52 480 58 0.04 1.33 1.2 10
    07/23/2009 14:20 31 27 2 7.5 < 1 5 62 480 21 0.12 0.62 40
    06/29/2009 11:08 29.5 26.5 2 7 < 1 4.6 56.58 480 18 0 0.9
    05/29/2009 14:30 27.5 23 2 7.5 < 1 6 69.6 470 4 0 0.6 10
    04/29/2009 12:25 23.5 20 2 7.5 < 1 8.1 430 1 1.84 > 1.22 120
    03/29/2009 15:00 24.5 19.5 2 7 < 1 8.7 94.83 470 15 0.5 > 1.2 10
    02/24/2009 12:06 22 10.5 2 7.5 < 1 9.5 86.45 470 46 0 1.08
    01/28/2009 14:20 15 10 2 7.5 < 1 9.5 85.5 490 22 0.24 2 > 1.22 40
    12/30/2008 11:00 17 9.5 2 7.5 < 1 8.5 75.65 500 45 0 > 1.2 50
    11/26/2008 12:25 19 12.5 2 7.5 < 1 8.7 82.65 500 42 0 2.4 > 1.22
    10/24/2008 14:42 25 19 2 7.5 < 1 8.8 95.04 490 9 0 > 1 > 1.22 10
    09/24/2008 15:00 24 23.5 2 7.5 < 1 6.7 78.39 450 28 0.07 1.59 1.14 40
    08/26/2008 11:54 28 26 2 7.5 < 1 4.8 58.56 470 5 0.01 1 0.75 80
    07/17/2008 15:05 34 27 2 7 4.4 54.56 460 17 0 0.31 20
    06/18/2008 14:27 34 26 2 < 1 4.2 51.24 430 5 0 .98 0.595 140
    05/20/2008 13:55 34.5 22 2 7.5 < 1 6.7 76.38 360 5 0 2.3 > 1.22 430
    04/18/2008 13:18 17 17 2 7.5 < 1 8 83.2 480 1 0.67 .65 0.5 30
    03/20/2008 14:30 25 15.5 2 7.5 < 1 8.45 85.35 460 2 1.35 1.7 0.905
    02/17/2008 12:35 17 12 2 7.6 < 1 9.3 87.42 480 64 0.18 1.8 1.2
    01/19/2008 12:50 9 9 2 7.6 < 1 9 79.2 500 35 0.23 1.02
    12/19/2007 15:15 18 12 2 7.5 < 1 8.95 84.13 480 4 0 0.85 10
    11/21/2007 12:43 28 20 3 7.5 < 1 7.3 80.3 490 20 0.11 0.83
    10/10/2007 14:04 29.5 24 3 7.5 < 1 6.5 76.7 440 2 0 0.54 70
    09/12/2007 15:14 28.5 24.5 5 7.5 < 1 7.8 92.82 440 1 0.48 0.25 380
    08/13/2007 16:21 33 28 3 7 < 1 6.2 78.12 450 17 0 0.52 40
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