LCRA LogoColorado River Watch Network (CRWN) Water Quality Data

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)
01/31/2025 11:41 17 9 1 7 < 1 6.7 1060 1 0.9 > 1 > 1
12/31/2024 13:46 16 15 1 7 < 1 5.45 54.5 1170 24 0 > 1 > 1
10/30/2024 13:57 29 24 1 7.5 < 1 4.3 50.74 1060 30 0 > 1 > 1
09/30/2024 15:51 34 22 1 7.5 < 1 3.2 36.48 1050 27 0 > 1 > 1
08/29/2024 12:47 30 23 1 7 < 1 2.9 33.64 1060 2 0.4 > 1 > 1
07/30/2024 15:17 35 27 3 7 < 1 3.95 48.98 1040 2 0.5 > 1 > 1
06/30/2024 12:36 31 29 3 7 < 1 3.4 43.52 1060 10 0 > 1 > 1 49.95
05/29/2024 16:51 34 28 3 7.5 < 1 5.85 73.71 1020 1 0.9 > 1 > 1
04/29/2024 16:39 34 26 3 7.5 < 1 6.45 78.69 1080 2 1.3 > 1 > 1
03/28/2024 14:48 26 17 3 7 < 1 7.4 76.96 1060 1 0.35 > 1 > 1 33.3
02/29/2024 15:01 9 10 2 7.5 < 1 9 81 1080 19 0 > 1 > 1 49.95
12/26/2023 15:42 15.5 11 6 7 < 1 5.9 54.28 970 2 0.85 > 1 > 1 133.2
11/29/2023 13:40 15 13 1 7 7 67.2 940 11 0
10/31/2023 14:02 12 15 1 7 6 60 980 2 1
08/29/2023 10:25 28 21 1 7 3.9 43.68 940 3 0.3 1165.5
07/20/2023 09:20 27 24 1 7 < 2 8.1 95.58 1010 29 0 133.25
06/28/2023 11:03 25 26.5 1 7 < 1 2.1 25.83 1010 7 0 > 1 > 1 16.65
05/30/2023 14:48 29 24 2 7 < 2 5 59 1010 7 0
04/28/2023 13:32 27 20 2 7 5.6 61.6 960 2 0.6
03/31/2023 14:05 30 20 1 7 6.4 70.4 800 29 0.1
02/27/2023 13:40 21 15 1 7 5.8 790 11 0
01/30/2023 10:30 0 5 1 7 5.8 46.4 940 6 0
12/29/2022 15:08 19 13 1 7 5.3 50.88 880 10 0 49.95
11/29/2022 16:17 23 15 1 7 4.5 45 860 4 0 99.9
10/28/2022 12:00 0
09/30/2022 12:14 30 16 1 7.5 3.8 38.76 830 25 0 49.95
08/29/2022 16:44 42 23 1 7 4.8 55.68 830 6 33.3
07/26/2022 13:00 34 24 1 7 3.7 43.66 830 30 0 .5 > 1
06/22/2022 14:37 34 24.5 1 7 < 1 4.2 49.98 820 30 0 > 1 > 1 33.3
05/31/2022 11:20 30 22 1 7 800 7 0 > 1 > 1 83.25
04/28/2022 12:00 20.5 17.5 2 7 < 1 5.85 61.42 810 3 0.25 > 1 > 1
03/31/2022 12:09 17 14 2 7.5 < 1 7 68.6 800 10 0.1 > 1 > 1 66.6
02/28/2022 17:22 9.5 9.5 3 7 < 1 10.15 90.34 810 30 0.1 > 1 > 1
01/27/2022 16:50 10.5 10.5 2 7 < 1 920 8372 840 30 0.15 > 1 > 1
12/27/2021 12:45 24 17.5 3 7 < 1 6.8 71.4 820 9 0 > 1 > 1
11/30/2021 14:12 22 13 3 7 < 1 7.75 74.4 850 3 0.3 > 1 > 1 33.3
10/28/2021 16:12 20.5 15 3 7 < 1 7.5 75 820 2 0.6 > 1 > 1 199.8
09/28/2021 12:35 29 19.5 1 7 < 1 2.9 31.61 800 30 0 > 1 > 1 33.3
08/26/2021 09:02 23.5 22 3 7 < 1 4.25 48.45 800 11 0 > 1 > 1 16.65
07/30/2021 14:33 31 25 2 7 < 1 4.8 57.6 850 9 0.8 > 1 > 1 16.65
06/30/2021 14:42 31 25 3 7 < 1 5.45 65.4 850 3 1.4 > 1 > 1 99.9
04/30/2021 14:25 17 18 3 7 < 1 5.3 56.18 0 0.8 > 1 > 1 99.9
03/30/2021 10:41 12 12.5 3 7 < 1 6.2 58.9 6 0 > 1 > 1 16.65
02/24/2021 12:00 Dry 1 0
01/28/2021 12:00 Dry 1 0
12/29/2020 12:00 Dry 1 0
11/26/2020 12:00 Dry 1 0
10/28/2020 12:00 Dry 1 0
09/30/2020 12:54 25.5 16.5 1 7 < 1 4.25 43.78 800 14 0 > 1 > 1
08/27/2020 10:13 26 21.5 1 7 < 1 3.4 38.42 790 5 0 > 1 > 1
07/29/2020 12:40 31.5 23 1 7 < 1 3.05 35.38 780 4 0.4 > 1 > 1 16.65
06/24/2020 08:53 23.5 22.5 1 7 < 1 2.4 27.6 740 1 1.4 > 1 > 1 49.95
05/27/2020 12:19 26 21 3 7 < 1 5.65 63.28 760 3 1.3 > 1 > 1 116.55
04/29/2020 14:28 24 23 2 7.5 < 1 5 58 750 0 0.75 > 1 > 1 466.2
03/31/2020 13:48 19.5 17 2 7 < 1 615 6396 670 9 0.2 > 1 > 1 33.3
01/30/2020 12:18 6 11 1 7 < 1 6.35 58.42 680 8 0.4 > 1 > 1
12/30/2019 14:45 12 11 1 7 < 1 5.9 54.28 730 30 0 > 1 > 1
11/26/2019 11:45 17 16.5 1 7 < 1 4.2 43.26 680 30 0 > 1 > 1
10/31/2019 14:24 7 11 1 7 < 1 5.8 53.36 690 6 0.2 > 1 > 1 16.65
09/30/2019 13:08 31 23 1 7 < 1 3.1 35.96 680 2 0.3 > 1 > 1
08/20/2019 11:55 30 25 1 7 < 1 2.3 27.6 670 6 0 > 1 > 1
07/24/2019 13:32 27 22.5 2 7 < 1 4.55 52.32 690 9 0 > 1 > 1 66.6
06/30/2019 13:35 29 25 3 7.5 < 1 6.7 80.4 740 5 0 > 1 > 1 99.9
05/28/2019 16:02 26.5 21 5 7.5 < 1 5.95 66.64 700 21 0 > 1 > 1 116.55
04/23/2019 14:40 19 18 3 7.5 < 1 6.55 69.43 730 6 0 > 1 > 1 83.25
03/27/2019 12:31 17 16 3 7.5 < 1 7.15 72.93 730 14 0 > 1 > 1 66.6
01/28/2019 16:09 16 12.5 3 7.5 < 1 8.9 790 3 0.6 > 1 > 1 99.9
11/29/2018 09:10 14.5 12 3 7 < 1 8.1 76.14 790 11 0 > 1 > 1 266.4
10/30/2018 09:00 17 17 5 7.5 < 1 6.6 68.64 770 6 0 > 1 > 1 166.5
09/24/2018 10:20 20.5 20.5 3 7.5 < 1 6.25 69.38 650 2 1 > 1 > 1 333
08/30/2018 09:54 24.5 21.5 1 7 < 1 4.1 46.33 740 30 0 > 1 > 1
07/31/2018 15:06 33 22 1 7 < 1 4.1 46.74 730 30 0 > 1 > 1
06/28/2018 14:48 30 29 1 7 < 1 3.25 41.6 670 30 0 > 1 > 1
04/30/2018 13:05 23.5 22 3 7 < 1 6.5 74.1 690 5 0 > 1 > 1 133.2
03/27/2018 10:14 22 20.5 3 7.5 < 1 5.2 57.72 700 30 0 > 1 > 1 166.5
02/27/2018 14:36 23.5 18 3 7.5 < 1 6.68 70.81 690 4 0.2 > 1 > 1
01/31/2018 10:47 16 11 3 7.5 < 1 6.95 63.94 800 30 0 > 1 > 1
12/28/2017 12:08 6 10 1 7.5 < 1 7.8 70.2 800 12 0 > 1 > 1 233.1
11/30/2017 14:30 22.5 14 2 7.5 < 1 6.8 66.64 790 30 0 > 1 > 1 516.15
10/27/2017 15:50 12 16.5 3 7 < 1 5.95 61.29 800 29 0 > 1 > 1
07/28/2017 14:51 36.5 27 1 7 < 1 2 24.8 790 11 0 > 1 16.65
06/28/2017 14:15 30 24 3 7 < 1 4.6 54.28 760 2 0.75 > 1 > 1 16.65
05/30/2017 15:15 28 25 3 7.5 < 1 5.8 69.6 780 3 1.06 > 1 > 1 49.95
04/10/2017 13:28 25.5 22 3 7.5 < 1 7.2 82.08 570 8 0 > 1.22 16.65
02/23/2017 14:00 31 20 3 7.3 < 1 7 77 760 3 1.97 116.5
12/16/2016 15:18 18 17 3 7.4 < 1 6.9 71.76 700 5 0 33.3
09/24/2016 18:55 26 26 3 7.12 < 1 5.45 66.49 660 2 0.04 > 1.22 180
07/28/2016 11:30 33 29 2 7.2 1 3.8 48.64 520 30 0 66.6
06/09/2016 14:03 5 7 < 1 6.2 7 0 33.3
01/19/2016 14:22 31 13 3 7 < 1 8 76.8 730 5 0
11/09/2015 10:53 20 18 5 7.1 < 1 7.1 75.26 730 2 1 199.8
09/30/2015 10:00 25 22 1 7 < 1 2.6 29.64 680 30 0
06/04/2015 11:56 29 24 5 7 < 1 7.6 89.68 820 6 0 99.9
03/26/2015 13:50 18 18 3 7 < 1 7.8 82.68 710 5 0
02/13/2015 10:50 19 14.5 5 7.25 < 1 8.75 86.63 780 14 0 99.9
12/08/2014 14:00 21 16 3 7 < 1 5.8 59.16 730 14 0 183.15
11/10/2014 13:07 23 16 3 7 < 1 6.7 68.34 760 5 133.2
10/23/2014 13:40 28 22 3 7 < 1 5.4 61.56 770 12 0 33.3
09/29/2014 09:55 23 21 3 7 1 4.2 47.04 760 11 0 133.3
08/29/2014 12:45 30 26 1 7 < 1 2.7 32.94 820 18 0 > 1.2 16.65
07/23/2014 11:15 31 25 2 7.2 5.2 62.4 800 8 0 99.9
06/30/2014 09:30 24 25 3 7.2 < 1 4.5 54 810 2 2.2 133
05/01/2014 14:30 27 24 2 7.2 1 4 47.2 820 30 0 100
03/28/2014 13:40 28 21 3 7.3 < 1 6.4 71.68 710 20 0
12/23/2013 10:10 10 10 3 7.4 < 1 8.2 73.8 760 2 0.3 99.9
11/26/2013 10:20 7 10 5 7.5 < 1 9.6 86.4 670 1 1.4 233.1
10/16/2013 11:00 21 20 3 7 < 1 4 44 620 1 1.1 50
09/23/2013 09:15 17 18 1 7.1 1 3.9 41.34 880 3 1.6 133.2
08/29/2013 13:30 35 29 1 7.4 < 1 4.8 61.44 810 30 0.01 99.9
07/31/2013 10:10 29 25 1 7.3 2 24 850 5 0 99.9
06/03/2013 11:00 24 23 5 7 < 1 5.9 68.44 590 1 1.3 50
05/30/2013 14:00 32 27 3 7.3 < 1 5.1 63.24 810 5 0 99.9
04/25/2013 14:45 19 18 3 7.2 < 1 5.65 59.89 790 23 0 99.9
03/05/2013 13:00 18 17 2 7.3 < 1 5.9 61.36 840 30 33.3
02/04/2013 11:00 19 16 1 7.2 < 1 5 51 770 30 40
01/17/2013 09:15 12 10 1 7.2 < 1 9 81 800 8 1.4 33.3
12/27/2012 15:00 9 14 2 7 < 1 4.2 41.16 920 30 0 83.25
11/12/2012 15:15 16 20 1 7 < 1 4.8 52.8 790 30 0
10/03/2012 11:15 22 21 2 7 < 1 4.25 47.6 840 4 83.25
09/13/2012 10:20 33 26 2 7.2 4 48.8 710 30 0 70
08/16/2012 12:45 32 28 1 7 < 1 4.4 55.44 800 30 0 40
06/19/2012 13:00 34 29 2 7 1 4.9 62.72 800 30 0 99.9
05/16/2012 15:00 28 25 2 7 6.9 82.8 780 1 2.1 83.25
04/24/2012 15:00 30 24 2 7 < 1 6.7 79.06 760 30 0 33.3
03/27/2012 14:30 28 22 3 7 < 1 7.6 86.64 810 7 0 166.45
02/27/2012 11:00 17 13 3 7 < 1 5 48 790 9 0 83.25
01/04/2012 15:00 21 17 1 7 < 1 6.8 70.72 770 14 0
11/07/2011 10:00 22 20 1 5 55 780 30 0
09/09/2011 08:30 27 19 1 7 < 1 4 43.2 780 30 0
07/08/2011 14:50 40 27 1 4.1 50.84 780 20 0
06/01/2011 08:30 28.5 23 1 7 1.8 20.88 14 150
05/04/2011 11:30 23 19 1 7 < 1 4.1 44.28 780 30 0.3 > 1.2
04/12/2011 17:20 27 23 1 7 < 1 4 46.4 770 49 0 > 1.2 240
03/14/2011 16:45 20.5 19 3 7 < 1 7.95 85.86 760 19 0 > 1.2 220
02/23/2011 12:40 22.5 17 3 7.5 < 1 6.42 66.77 750 0 0.3 > 1.2 210
01/27/2011 12:55 18 11 3 7.5 < 1 8.4 77.28 770 12 0 > 1.2 10
12/07/2010 16:00 14.5 11.5 3 7 < 1 8 74.4 770 36 0 > 1.2
11/22/2010 11:22 28 20 3 7.5 < 1 5.5 60.5 760 20 0 > 1.2 20
10/04/2010 16:00 28 21 3 7.5 < 1 7.35 82.32 750 12 0 1.1 80
08/31/2010 09:45 28 25 1 7 < 1 2.35 28.2 790 35 0 1.05 30
07/24/2010 08:50 28.5 25.5 3 7.5 < 1 4.6 55.66 790 1 0.6 > 1.2 190
06/24/2010 09:47 35 26 3 7.5 4.2 51.24 740 16 0 > 1.2 50
06/09/2010 08:45 28 24 3 7 < 1 5.2 61.36 710 0 1 > 1.2 160
03/23/2010 11:15 21 16 5 7.5 < 1 8.95 91.29 820 3 1.3 > 1.2 80
01/25/2010 11:30 15 12.5 3 7.5 < 1 9.65 91.68 860 10 0 > 1.2 20
12/22/2009 17:15 16 16 3 7.5 < 1 8.85 90.27 850 5 0 > 1.2 90
11/24/2009 11:26 16.5 16 5 7.5 < 1 7.45 75.99 850 3 0.3 > 1.2
10/20/2009 09:50 18 18.5 3 7.5 < 1 7.45 79.72 870 6 0 > 1.2
09/09/2009 09:30 1 11 0
08/18/2009 09:30 1 27 0
07/20/2009 09:30 No Flow 19 0
06/23/2009 09:30 No Flow 12 0
05/13/2009 09:30 No Flow 16 0
04/14/2009 09:30 No Flow 12 0
03/23/2009 09:30 No Flow 9 0
02/24/2009 09:30 No Flow 13 0
01/20/2009 09:30 No Flow 15 0
12/08/2008 09:15 No Flow 24 0
11/11/2008 09:15 1 19 0
09/22/2008 13:00 1 30 0
08/22/2008 13:00 1 30 0
07/22/2008 10:30 1 39 0
06/27/2008 13:00 1 30 0
06/16/2008 09:30 28.5 25.5 1 7 < 1 2.8 760 10 0
05/13/2008 09:45 23.5 22 3 7.5 < 1 5.4 61.56 730 15 0 > 1.2 350
04/02/2008 13:45 26 21 2 7.5 < 1 5.15 57.68 750 15 0.2 > 1.2 60
01/25/2008 11:35 4.5 11.5 2 7.5 < 1 9.25 86.03 730 3 0.3 > 1.2 40
10/15/2007 11:30 27.5 24 3 7.5 < 1 5.2 61.36 720 8 0.05 > 1.2
08/28/2007 09:20 27.5 24.5 3 7.5 < 1 5.15 61.29 740 6 0 > 1.2
07/23/2007 08:45 27 25 5 7.5 < 1 5.8 69.6 780 2 1.5 > 1.2
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