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

  • Site 390
  • Lake Travis at Mansfield Dam 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)
    10/26/2024 11:30 24 24 1 7.5 < 1 6.3 74.34 490 30 0
    09/21/2024 09:51 26 27 1 7.5 < 1 5.85 72.54 480 18 0
    08/15/2024 13:04 34 30 1 7.5 < 1 5.45 70.85 490 11 0
    07/24/2024 14:52 29 28 1 7.5 < 0 6 75.6 490 10 2.86
    06/13/2024 12:55 30 29 1 7.5 < 1 6.15 78.72 500 2 0.4
    05/27/2024 11:10 30 27.5 1 7.5 < 1 6.5 81.25 510 5 0
    04/19/2024 14:40 20.5 21.5 1 7.5 < 1 7.8 88.14 510 10 0.01
    03/22/2024 15:15 21 18 1 7.5 8.35 88.51 520 5 0.09
    02/09/2024 11:50 19.5 14 1 7.5 < 1 8.6 84.28 540 7 0
    01/11/2024 14:45 19.5 15 1 7.5 < 1 7.2 72 520 3 2.2
    12/28/2023 14:50 13.5 15 1 7.5 < 1 7.4 74 530 4 0
    11/29/2023 15:40 16 16 1 8 < 0 7.35 74.97 520 20 0
    10/20/2023 13:20 32 24 1 7.5 < 1 6.2 73.16 500 15 0
    09/28/2023 13:20 32 24 1 7.5 < 0 6.2 73.16 500 15 0
    09/28/2023 11:53 31 27 1 8 < 0 5.8 71.92 500 12 0
    08/25/2023 10:08 31 29.5 1 8 < 1 5.9 76.11 490 30 0.08 20
    07/12/2023 14:35 38 29 1 8 < 0 6.1 78.08 480 21 0 10
    06/28/2023 11:06 32 28 1 8 < 1 6.35 80.01 480 7 0
    05/17/2023 12:41 27 25 1 8 < 1 7.85 94.2 480 2 0.26 10
    04/26/2023 11:35 22 20 1 8 < 0 7.4 81.4 490 6 0.07
    03/27/2023 13:00 20.5 18 1 8 < 0 8.4 89.04 490 25 0.05 10
    02/24/2023 12:00 13 14 1 7.5 < 1 9.45 92.61 500 17 0.01
    01/09/2023 13:11 19 5.5 1 8 < 0 9.2 74.52 480 21 0 10
    12/20/2022 14:45 9 14 1 7.5 < 0 7.2 70.56 490 11 0.81
    10/04/2022 12:45 29 25.5 1 8 < 0 7.1 85.91 460 27 0
    09/22/2022 11:28 29 28 1 8 < 0 8 100.8 430 15 0
    08/30/2022 11:05 28 28 1 7.5 < 1 6.2 78.12 440 8 0.03
    07/15/2022 10:51 30 29 1 7.5 < 0 6.7 85.76 440 19 0
    06/21/2022 10:40 30 28 1 7.5 < 0 5.5 69.3 450 17 0
    05/23/2022 12:10 24 24.5 1 7.5 < 0.3 6.4 76.16 450 2 1.35
    03/16/2022 15:17 25 16 1 7.5 < 0.3 8.2 83.64 450 30 0 10
    02/28/2022 15:48 16 12.5 1 7.5 < 0.3 9.3 88.35 450 25 0.05
    01/27/2022 15:45 14 14 1 7.5 < 1 8.6 84.28 460 4 0
    12/29/2021 13:47 21.5 18.5 1 7.5 < 1 7.6 81.32 450 11 0.01 10
    11/30/2021 13:09 21.5 8 1 7.5 < 1 7.2 61.92 450 4 0.2 10
    10/26/2021 11:30 26 24 1 7.5 < 1 6.3 74.34 450 12 0 10
    09/24/2021 12:15 26 25 1 7.5 < 0 6.3 450 27 0
    08/11/2021 12:45 32 28 1 7.5 < 1 6.1 76.86 450 9 0
    07/21/2021 12:20 28.5 28 1 7.5 < 1 6.3 79.38 450 13 0.11
    06/28/2021 15:05 30.5 28 1 7.5 0.3 7.2 90.72 440 1 0.25
    05/27/2021 12:49 28 23 1 7.5 < 1 7.05 81.78 430 1 0.39
    04/28/2021 15:05 26 20 1 7.5 < 1 7.25 79.75 440 5 0
    03/26/2021 13:43 25 17 1 7.5 < 1 8.25 85.8 430 4 0.18
    03/24/2021 13:30 22 14 1 7 < 1 8.8 86.24 430 7 0
    01/28/2021 11:08 7 11 1 7.5 < 1 8.8 80.96 440 9 0
    12/16/2020 15:40 12.5 14.5 1 7.5 < 1 7.9 78.21 440 18 0
    11/25/2020 12:25 17 18 1 7 < 1 7.05 74.73 430 29 0.02
    10/23/2020 12:33 24 23 1 7.5 < 1 7.2 83.52 430 0 0
    09/24/2020 14:50 23.5 25 1 7.5 < 1 7.8 93.6 420 3 0.24
    08/25/2020 10:05 27 28 7.5 < 1 7 88.2 420 3 0.89
    07/27/2020 12:32 30.5 27 1 7.5 7.55 93.62 420 29 0.06
    06/30/2020 17:45 30.5 28 1 7.5 < 1 6.6 83.16 420 2 0.22
    05/27/2020 11:50 26.5 25 1 7.5 < 1 6.95 83.4 430 2 1.63 10
    02/27/2020 13:42 15 14 1 7.5 < 0.3 10.7 104.86 420 7 0
    01/20/2020 13:15 13 13.5 1 7.5 < 0.3 8.4 81.48 430 4 0.01
    12/17/2019 15:54 10 14 1 7.5 < 1 7.8 76.44 430 7 0
    11/18/2019 15:30 19 18 1 7.5 < 1 6.15 65.19 420 11 0
    10/10/2019 10:55 27 25.5 1 7.5 < 0.3 5.5 66.55 410 19 0
    09/19/2019 12:05 29.5 29 1 7.5 < 1 5.2 66.56 390 0 0
    08/16/2019 11:10 31.5 29.5 1 8 < 0.3 5.4 69.66 390 2 0.31
    07/11/2019 10:50 26 27.5 1 8 < 0.3 6.05 75.62 3 1.57
    06/03/2019 13:20 30 28 1 7.5 < 0.3 6.75 85.05 390 4 0
    05/17/2019 11:25 24 21 1 7.5 0.3 6.3 70.56 390 7 0 10
    04/11/2019 12:58 24 18 1 7.5 0.3 7.85 83.21 390 4 0
    03/07/2019 12:12 19 17.5 1 8 0.3 9.8 370 0 0
    07/16/2018 11:50 31 28 1 7.5 < 0.3 5.55 69.93 400 7 0
    06/20/2018 11:24 29.5 27.5 1 7.5 < 1 5.5 68.75 400 30 0.16
    05/23/2018 11:35 28 25 1 7.5 < 0.3 5.65 67.8 400 3 1.02
    04/25/2018 12:45 1 7.5 < 1 6.9 410 28 0
    03/23/2018 11:15 19 16 1 7.5 < 1 7.5 76.5 410 26 0
    01/22/2018 11:08 13 12 1 7.5 < 1 7.85 73.79 410 7 0
    12/28/2017 14:08 8.5 14.5 1 7.5 < 1 7.3 72.27 420 9 0.01
    11/30/2017 12:48 18 18.5 1 7.5 < 1 6.3 67.41 410 30 0
    10/26/2017 12:21 23.5 22 1 7.5 < 1 5.95 67.83 400 4 0
    09/13/2017 11:13 24.5 26 1 7.5 < 1 6 73.2 430 17 0
    08/24/2017 11:52 26 29 1 7.5 < 1 5.2 66.56 420 21 0.07 10
    07/26/2017 09:58 28 28 1 8 < 1 5.65 71.19 420 11 0
    06/28/2017 11:37 26.5 27 1 7.5 < 1 6.35 78.74 420 2 0.94
    05/16/2017 12:26 24 22 1 7.5 < 0.3 6.1 69.54 450 30 0
    04/24/2017 10:13 19 18 1 7.5 0.3 6.6 69.96 450 13 0.04
    02/24/2017 11:12 19.5 16 1 7.5 0.3 7.7 78.54 420 0 0
    01/11/2017 12:40 22 15.5 1 7.5 6.9 69.69 420 9 0
    12/22/2016 11:25 13.5 15.5 1 7.5 < 0.3 6.85 69.18 420 17 0 10
    11/14/2016 12:40 23.5 23.5 1 7.5 < 0.3 4.7 54.99 410 6 0
    10/24/2016 12:15 24 24 1 7.5 < 0.3 4.55 53.69 410 30 0
    09/28/2016 12:40 26 27 1 7.5 < 1 4.7 58.28 410 3 1.56
    08/24/2016 11:35 28.5 28 1 7.5 < 0.3 5.2 65.52 390 3 0.28
    07/20/2016 09:55 28 28.5 1 8 < 0.3 5.55 70.48 400 30 0
    06/27/2016 11:15 27.5 28 1 7.5 < 1 5.76 72.58 400 24 0
    05/23/2016 09:55 21.5 22.5 1 7.5 < 0.3 6.25 71.88 420 4 0
    04/25/2016 12:14 26 22 1 7.5 < 0.25 6.55 74.67 420 4 0 10
    03/21/2016 14:03 17 16 1 7.5 0.25 7.85 80.07 420 9 0.17
    02/24/2016 13:00 15 13.5 1 7.5 < 0.25 9.15 88.76 420 1 1.55
    01/14/2016 11:20 16 14.5 1 7.5 < 0.25 6.8 67.32 420 8 0
    12/16/2015 12:55 14 16.5 1 7.5 < 0.25 6.43 66.23 420 3 1.54
    11/09/2015 12:09 18.5 20.5 1 7.5 < 1 6.1 67.71 410 9 0.63 20
    10/14/2015 12:13 29.5 25.5 1 7.5 < 1 5.8 70.18 430 30 0
    09/21/2015 11:53 30 28 1 7.5 < 0.25 6 75.6 430 12 0
    08/10/2015 11:55 30 29 1 7.5 < 1 5.22 66.82 430 30 0 20
    07/24/2015 12:27 31.5 29.5 1 7.5 < 1 5.35 69.02 440 27 0
    06/19/2015 10:00 21 25 1 7.5 0 5.73 68.76 440 1 2.82 20
    05/27/2015 11:10 23.5 23 1 7.5 0.25 6.75 78.3 450 2 2.84 60
    04/16/2015 11:15 23 21 1 7.5 0.25 7.1 470 26 0
    03/12/2015 12:23 15 12 1 7.5 0.25 8.65 480 3 0.2
    02/25/2015 12:10 10 12 1 7.5 0.25 8.35 78.49 490 22 0
    01/31/2015 10:45 9 11.5 1 7.5 0.25 9.22 85.75 480 8 0
    12/23/2014 10:40 8.5 14 1 7.5 < 0.25 7.2 70.56 480 4 0
    11/10/2014 12:35 23 20.5 1 7.5 < 1 6 66.6 470 5 0 10
    10/27/2014 12:05 25.5 23.5 1 7.5 < 1 5.65 66.1 470 14 0
    09/22/2014 11:15 28 27.5 1 7.5 < 1 5.35 66.88 460 4 0 10
    08/11/2014 11:15 33.5 29.5 1 7.5 < 1 5.05 65.14 460 24 0
    07/10/2014 11:20 29 27.5 1 < 0.25 5.8 72.5 470 17 0
    06/19/2014 11:30 27 26.5 1 7.5 < 1 5.45 67.04 470 7 0
    05/29/2014 09:45 25 26 1 7.5 < 0.25 6.1 74.42 480 2 3.49 10
    04/23/2014 11:10 25.5 21 1 7.5 0.25 6.45 72.24 480 9 0 10
    03/20/2014 12:25 19 16 1 7.5 0.25 7.7 78.54 490 12 0
    02/20/2014 12:57 23 14 1 7.5 0.25 7.85 76.93 490 30 0
    01/30/2014 12:55 11 10 1 7.5 0.25 8.22 73.98 490 30 0
    12/30/2013 12:15 3.5 10.5 1 7.5 0.25 7.55 68.7 490 9 0
    11/18/2013 12:35 20 20 1 7.5 < 0.25 6 66 480 12 0
    10/23/2013 11:05 19 22 1 7.5 < 1 5.75 65.55 470 7 0
    09/26/2013 11:33 29.5 27 1 7.5 0 5 62 480 6 0
    08/27/2013 10:25 24 27.5 1 7.5 < 1 4.6 57.5 470 0 0
    07/24/2013 11:55 29.5 28 1 7.5 < 0.25 5.1 64.26 460 7 0
    06/21/2013 11:05 29 27 1 7.5 5.15 63.86 460 3 0.62
    05/28/2013 11:10 26.5 23.5 1 7.5 < 0.25 5.82 68.09 480 3 7.4 10
    04/17/2013 11:10 24.5 20 1 7.5 < 0.25 6.7 73.7 490 14 0
    03/26/2013 11:35 12 14.5 1 7.5 0.25 8.6 85.14 490 16 0
    02/25/2013 11:35 16 14 1 7.5 0.25 8.4 82.32 490 16 0.11 10
    01/31/2013 10:20 8.5 13 1 7.5 0.25 8.55 82.08 500 22 0
    12/17/2012 11:10 16.5 16.5 1 7.5 6.3 64.89 490 30 0.03
    11/15/2012 11:15 14.5 18.5 1 7.5 6.35 67.94 480 30 0
    10/18/2012 10:00 19 21.5 1 7.5 6.9 77.97 470 5 0
    09/19/2012 09:50 20.5 25 1 8 5.82 69.84 470 3 1.4
    08/22/2012 09:40 24 27 1 7.5 6.3 78.12 470 3 0.01
    07/19/2012 12:05 31 28 1 7.5 5.4 68.04 460 4 0 10
    06/25/2012 10:55 34.5 29.5 1 8 5.55 71.6 470 30 0
    05/17/2012 11:00 25 24.5 1 7.5 7 83.3 470 2 0.45 10
    04/18/2012 11:05 22 23 1 7.5 7.6 88.16 480 20 0
    03/22/2012 11:30 22.5 17 1 8 6.45 67.08 490 2 2
    02/24/2012 10:45 13 14 1 8 8.95 87.71 490 6 0
    01/19/2012 10:45 21 18 1 7.5 7.5 79.5 480 10 0
    12/20/2011 11:45 13.5 14.5 1 7 7.3 72.27 470 1 0.29
    11/15/2011 09:00 21 20 1 7.5 6.4 70.4 470 30 0
    10/27/2011 10:30 18.5 21 1 7.5 6.4 71.68 470 18 0
    09/20/2011 10:00 26 27 1 8 5.15 63.86 450 30 0
    08/17/2011 10:50 32 30 1 7.5 4.55 59.15 420 30 0
    07/18/2011 10:30 37 29 1 7.5 5.25 67.2 420 26 0
    06/26/2011 09:45 26 26.5 1 7.5 5.15 63.34 430 4 0
    05/24/2011 11:55 29.5 24.5 1 7.5 5.27 62.71 430 12 0
    04/07/2011 10:53 20 18 1 8 7.9 83.74 430 57 0
    03/08/2011 12:40 26 17 1 7.5 8.25 85.8 430 27 0
    02/28/2011 12:35 19 14.5 1 7.5 8.35 82.66 430 19 0
    01/19/2011 12:30 14.5 14.5 7.5 8.55 84.65 440 26 0.01
    12/29/2010 14:00 22 16 7.5 6.7 68.34 440 5 0.18
    11/08/2010 09:25 16 19 8 5.63 60.8 430 6 0
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