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 12:24 13.5 13.5 1 7.5 < 1 9.3 960 1 0.09 > 1 > 1
12/31/2024 14:40 17 16 1 7 < 1 6.05 61.71 1050 24 0 > 1 > 1
10/30/2024 13:10 31.5 23 1 7.5 < 1 5.3 61.48 930 30 0 > 1 > 1
09/30/2024 16:31 29 26 1 7.5 < 1 5.8 70.76 910 27 0 > 1 > 1
08/29/2024 11:41 32 28 2 7.5 < 1 3.1 39.06 840 2 0.4 > 1 > 1
07/30/2024 14:11 34 28 3 7.5 < 1 4.7 59.22 840 2 0.5 > 1 > 1
06/30/2024 13:28 34 32 3 7 < 1 5.5 73.7 810 10 0 > 1 > 1 33.3
05/29/2024 15:43 32.5 27 3 7.5 < 1 6 74.4 890 1 0.9 > 1 > 1
04/29/2024 15:41 36 28 3 7.5 < 1 6.35 80.01 1020 2 1.3 > 1 > 1
03/28/2024 12:54 25.5 18 3 7.5 < 1 7.5 79.5 970 1 0.35 > 1 > 1
02/29/2024 16:42 9 11 2 7.5 < 1 9.4 86.48 960 19 0 > 1 > 1 33.3
12/26/2023 16:20 15.5 11 1 7 < 1 8.4 77.28 880 2 1.1 > 1 > 1
11/29/2023 13:08 16 13 1 7 6.8 65.28 830 11 0
10/31/2023 13:09 12 15 1 7 7.8 78 780 2 1 33.3
08/29/2023 09:42 28 25 1 7 4.9 58.8 860 2 0.3
07/19/2023 15:27 38 31 1 7 2 4.75 62.7 860 28 0 16.65
06/28/2023 10:02 29.5 26.5 2 7 < 1 3.9 47.97 730 7 0 > 1 > 1 116.55
05/30/2023 14:00 30 24 2 7 < 2 4.6 54.28 870 7 0
04/28/2023 12:58 26 22 2 7 5.8 66.12 930 2 0.6
03/31/2023 13:33 28 21 1 7 6.3 70.56 980 29 0.1
02/27/2023 12:53 22 17 1 7 7.6 79.04 850 11 0
01/30/2023 09:53 0 5 1 7 7.8 62.4 1020 6 0 16.65
12/29/2022 14:47 22 15 1 7 7.2 72 980 10 0 33.3
11/29/2022 15:37 28 18 1 7 7.5 79.5 880 4 0 1665
10/28/2022 12:00 0
09/30/2022 11:17 27 20 1 7.5 4.9 53.9 850 25 0 99.9
08/29/2022 15:49 43 31 1 7 4.9 64.68 820 6 99.9
07/26/2022 11:24 37 27.5 1 7 < 1 4.2 52.5 860 30 0 > 1 > 1
06/22/2022 13:06 37.5 29 1 7 < 1 4.35 55.68 800 30 0 > 1 > 1 33.3
05/31/2022 10:15 29 25 2 7 790 7 0 > 1 > 1 33.3
04/28/2022 09:46 21 19 2 7 < 1 5.4 770 3 0.5 > 1 > 1 66.6
03/31/2022 11:15 17 15 2 7 < 1 7 70 760 10 0.1 > 1 > 1 16.65
02/28/2022 16:40 18 10.5 2 7 < 1 10.45 770 30 0.1 > 1 > 1
01/27/2022 15:55 12 10 2 7 < 1 9.4 84.6 750 30 0.15 > 1 > 1
12/27/2021 13:35 25.5 17.5 3 7 < 1 7 73.5 580 9 0 > 1 > 1 433.05
11/30/2021 13:00 21.5 13 3 7 < 1 8 76.8 730 3 0.3 > 1 > 1 16.65
10/28/2021 15:22 23 18.5 3 7 < 1 7.25 77.57 700 2 0.6 > 1 > 1
09/28/2021 11:51 30.5 24 2 7 < 1 5.35 63.13 670 30 0 > 1 > 1 33.3
08/26/2021 10:05 28.5 24 2 7.5 < 1 4.6 54.28 680 11 0 > 1 > 1 33.3
07/30/2021 15:32 28 28 2 7 < 1 5.85 73.71 720 9 0.8 > 1 > 1
06/30/2021 13:13 29 26 3 7 < 1 6.25 76.25 770 3 1.4 > 1 > 1
04/30/2021 13:45 17 18.5 3 7 < 1 3.1 33.17 0 0.8 > 1 > 1 49.95
03/30/2021 10:01 15 14 2 7.5 < 1 6.5 63.7 6 0 > 1 > 1
02/24/2021 12:00 6 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 13:38 26.5 21 1 7.5 < 1 6.22 69.66 640 14 0 > 1 > 1
08/27/2020 09:06 25 26 1 7 < 1 3.35 40.87 640 5 0 > 1 > 1
07/29/2020 13:30 31.5 29 1 7.5 < 1 5.5 70.4 630 4 0.4 > 1 > 1 16.65
06/24/2020 09:58 21.5 23 2 7 < 1 4.05 590 1 1.4 > 1 > 1 49.95
05/27/2020 10:54 25.2 23 3 7 < 1 5.9 68.44 610 3 1.3 > 1 > 1
04/29/2020 15:25 24 24 2 7.5 < 1 6.25 73.75 630 0 0.75 > 1 > 1 133.2
03/31/2020 13:03 20 21 2 7.5 < 1 5.5 61.6 640 9 0.2 > 1 > 1 33.3
02/26/2020 12:15 6 10 2 7.5 < 1 9.25 83.25 570 6 0 > 1 > 1
01/30/2020 13:43 5.5 10 1 7.5 < 1 8.55 76.95 590 8 0.4 > 1 > 1 33.3
12/30/2019 16:30 13 12.5 1 7.5 < 1 9.15 86.92 600 30 0 > 1 > 1
11/26/2019 13:15 19 16 1 7.5 < 1 6.6 67.32 680 30 0 > 1 > 1
10/31/2019 13:10 9 14 1 7 < 1 8 78.4 590 6 0.2 > 1 > 1
09/30/2019 14:10 31.5 28 1 7.5 < 1 5.3 66.78 550 2 0.4 > 1 > 1
08/20/2019 12:56 34 29.5 2 7.5 < 1 4.6 59.34 540 6 0 > 1 > 1.22
07/24/2019 14:45 29 27.5 2 7 < 1 6.4 80 550 24 0 > 1 > 1
06/30/2019 14:45 30 27.5 3 7.5 < 1 5.9 73.75 530 5 0 > 1 > 1 149.85
05/28/2019 14:00 27.5 22.5 5 7.5 < 1 5.75 66.12 600 21 0 > 1 > 1 49.95
04/23/2019 13:45 21.5 18.5 3 7.5 < 1 7.35 78.64 600 6 0 > 1 > 1 33.3
03/27/2019 13:15 20 19 3 7.5 < 1 7.9 85.32 610 14 0.5 > 1 33.3
02/27/2019 16:40 21 16.5 3 7.5 < 1 8.2 84.46 600 14 0 > 1 > 1 16.65
01/28/2019 15:00 16 12 5 7.5 < 1 7.6 71.44 660 3 0.6 > 1 > 1 33.3
11/29/2018 10:00 14 11.5 3 7.5 < 1 9 83.7 650 11 0 > 1 > 1 99.9
10/30/2018 10:40 19 18 5 7.5 < 1 7 74.2 640 6 0 > 1 > 1 16.65
09/24/2018 09:18 19 20 5 7 < 1 6.5 71.5 500 2 0.5 > 1 > 1 99.9
08/30/2018 10:36 25 23 1 7 < 1 4.8 55.68 640 30 0 > 1 > 1
07/31/2018 16:10 34 27 1 7.5 < 1 4.75 58.9 620 30 0 > 1 > 1
06/28/2018 13:49 29 32 1 7 < 1 5.25 70.35 590 30 0 > 1 > 1
04/30/2018 12:20 24.5 22 7.5 < 1 7.25 82.65 610 5 0 > 1 > 1 33.3
03/27/2018 11:00 24.5 23 2 7.5 < 1 6.75 78.3 620 30 0 > 1 > 1 116.55
02/27/2018 13:45 24 17.5 3 7.5 < 1 7.3 76.65 580 4 0.2 > 1 > 1
01/31/2018 09:48 13.5 12 3 7.5 < 1 8.8 82.72 680 30 0 > 1 > 1
12/28/2017 11:18 6 9.5 3 7.5 < 1 9.7 86.33 660 12 0 > 1 > 1 16.65
11/30/2017 15:12 19.5 17 2 7 < 1 6.5 67.6 660 30 0 > 1 > 1
10/27/2017 14:30 12.5 17 3 7 < 1 7.55 78.52 640 29 0 > 1 > 1
08/31/2017 09:50 26.5 21 3 7.5 < 1 5.7 63.84 590 3 0 > 1
07/28/2017 16:45 40 28 1 7 < 1 3.9 49.14 600 11 0 > 1.22
06/28/2017 13:18 30.5 29 3 7.5 < 1 5.15 65.92 590 2 0.75 > 1.22 33.3
05/30/2017 14:15 28.5 27.5 3 7.5 < 1 5 62.5 610 3 1.06 > 1
04/10/2017 11:30 25 22 3 7.5 < 1 6.75 76.95 620 8 0 > 1.22 49.95
02/24/2017 09:15 27 20 3 7.2 < 1 7.4 81.4 780 4 0 66.5
12/16/2016 14:10 21 16.5 3 7.2 < 1 7.75 79.82 660 5 0 16.65
09/28/2016 16:00 29 27 3 7.5 < 1 5 610 2 3 > 1.2 40
07/28/2016 10:45 33 28 2 7.2 < 1 4.2 52.92 570 30 33.3
02/24/2016 14:00 16 15 3 7.2 < 1 8.2 82 640 2 1.4 83
01/19/2016 15:10 25 12 3 7 < 1 8.8 82.72 730 5 0
12/02/2015 14:55 16 15 5 7 < 1 8.2 82 690 3 1.5
10/13/2015 11:00 29.5 27.5 1 7.7 < 1 3.85 48.12 660 30 0 199.8
09/30/2015 10:50 26 25 1 7 < 1 3.2 30 0
08/26/2015 14:25 35 32 2 < 1 3.6 48.24 600 30 0
06/04/2015 12:40 30 23 5 7 < 1 7.4 85.84 740 6 0 33.3
03/26/2015 14:35 18 17 3 7 < 1 7.4 76.96 720 5 0 49.95
02/13/2015 11:45 18 14 3 7.25 < 1 8.85 86.73 740 14 0
02/02/2015 16:50 8.5 12 3 8.09 < 1 8.5 79.9 700 7 > 1.22
12/08/2014 13:00 21 15 3 7 < 1 5.2 52 720 14 0
11/10/2014 14:00 24 16 3 7 < 1 6 61.2 740 5
10/23/2014 14:40 28 24 3 7 < 1 5.6 66.08 670 12 0 16.65
09/29/2014 10:36 25 22 3 7 < 1 3.9 44.46 640 11 0 66.6
08/29/2014 11:50 33.5 29 1 7.5 < 1 3 38.4 780 18 0 > 1.2
07/23/2014 10:15 30 25 2 7 < 1 6 72 720 8 0 33.3
06/30/2014 08:45 27 26 3 7.2 1 4.2 51.24 770 6 2.2 33.3
05/01/2014 15:15 28 25 2 7.2 1 4.6 55.2 790 30 0
04/29/2014 09:30 20 20 3 7.2 < 1 7 77 690 7 0 54.9
03/28/2014 12:50 27 21 3 7.2 < 1 6.6 73.92 720 20 0
12/23/2013 09:30 7 9 3 7.4 < 1 8.65 76.12 770 2 0.3 66.6
11/26/2013 14:05 9 11 5 7.5 < 1 9.1 83.72 670 1 1.4 216.5
10/16/2013 10:00 20 19 3 7.2 < 1 5.6 60.48 640 1 1.1 40
09/23/2013 10:10 20 22 1 7.2 < 1 5.2 59.28 800 3 1.6 99.9
08/29/2013 12:40 34 29 1 7.4 < 1 5.3 67.84 800 30 0.01 83.25
07/31/2013 09:20 28 27 1 7.4 < 1 4.3 53.32 830 5 0 33.3
05/30/2013 15:00 32 28 3 7.5 < 1 5 63 760 5 0 33.3
04/25/2013 11:00 18 18 3 7.4 < 1 6.25 66.25 780 23 0 > 1.2 33.3
03/05/2013 13:45 18 17 2 7.2 < 1 5.4 56.16 800 30 0
01/17/2013 10:30 12.5 10 2 7.4 1 8.6 77.4 720 8 1.4
12/27/2012 14:00 9 14 2 7 < 1 4.6 45.08 900 30 0 66.6
11/12/2012 14:25 16 19 2 7 < 1 5.5 59.4 780 30 0
10/03/2012 09:21 21.5 22 2 7.3 4.2 47.88 750 4 0 66.6
09/13/2012 09:20 33 28 2 7 < 1 4.1 51.66 690 30 30
08/16/2012 12:00 31 29 2 7 < 1 4.3 55.04 670 30 0 20
07/20/2012 10:10 29.5 28 2 6.9 4.35 54.81 610 5 0 > 1.2 30
06/19/2012 14:00 34 27 2 7 < 1 5.6 69.44 860 30 33.3
04/12/2012 10:52 23 22 3 7 < 1 6.2 70.68 760 24 0 100
03/27/2012 13:30 27 22 3 7 7.15 81.51 720 7 0 49.95
02/27/2012 10:00 16 12 3 7 < 1 6.8 63.92 780 9 33
01/04/2012 10:00 21 16 1 7 7 71.4 730 14 0 16.65
12/06/2011 10:30 10 10 1 7 < 1 4 36 780 2
11/07/2011 09:00 22 20 1 7.4 < 1 5.8 63.8 820 30 0 49.95
10/10/2011 08:55 18 21 1 7.5 1 5.2 58.24 840 1 2.6 0.2 3513
09/09/2011 13:50 36 26 1 7 < 1 5.8 70.76 790 30 0
07/08/2011 15:20 40 29 1 < 1 6 76.8 680 20 0
06/01/2011 11:40 32 28 1 7 < 1 6.1 76.86 670 30 0 30
05/04/2011 13:00 25 21.5 1 7 < 1 5.9 66.67 670 30 0.3 > 1.2
04/12/2011 19:20 22 23 2 7 < 1 5.35 62.06 670 49 0 > 1.2 150
03/14/2011 18:36 18 18.5 3 7 < 1 7.6 81.32 640 19 0 > 1.2 330
02/23/2011 15:00 23.5 18.5 2 7.5 < 1 7.02 75.11 630 0 0.3 > 1.2 180
01/27/2011 14:42 20 12.5 2 7.5 < 1 8.85 84.07 620 12 0 > 1.2
12/07/2010 07:10 11.5 11.5 3 7.5 < 1 8.38 77.93 660 36 0 > 1.2
11/22/2010 12:30 28 21 3 7.5 6.1 68.32 640 20 0 > 1.2
10/26/2010 09:00 21 22 3 7.5 < 1 5.3 60.42 640 15 0 > 1.2 10
10/04/2010 13:50 26 24 3 7.5 < 1 6.65 78.47 660 12 0 > 1.2
08/31/2010 10:50 29 27 2 7.5 < 1 3.25 40.3 620 35 0 > 1.2 20
07/24/2010 09:50 30 28 3 7.5 < 1 5.9 74.34 620 1 0.6 > 1.2 10
06/24/2010 07:45 26.5 28 3 7.5 < 1 4.6 57.96 640 16 0 > 1.2
05/26/2010 09:00 25 24 3 7.5 < 1 5.35 63.13 590 0 0.2 > 1.2 10
03/22/2010 11:55 19.5 16 5 8 < 1 8.7 88.74 660 2 1.3 0.8 100
01/25/2010 10:20 14 12.5 3 7.5 < 1 8.85 84.08 720 10 0 > 1.2 20
12/22/2009 16:30 19.5 15 3 7.5 < 1 9.15 91.5 730 5 0 > 1.2 30
11/25/2009 09:00 5 4 0.1
10/19/2009 08:40 14 18 5 7.5 < 1 7.2 76.32 730 5 0 > 1.2
09/09/2009 09:00 1 11 0
08/18/2009 09:00 1 27 0
07/21/2009 09:00 No Flow 20 0
06/23/2009 09:00 No Flow 12 0
05/13/2009 09:00 No Flow 16 0
04/14/2009 09:00 No Flow 12 0
03/23/2009 09:00 No Flow 9 0
02/24/2009 09:00 No Flow 13 0
01/20/2009 09:00 No Flow 15 0
12/08/2008 09:40 No Flow 24 0
11/11/2008 10:10 1 27 0
10/09/2008 09:30 1 44 0
09/18/2008 09:20 1 23 0
08/14/2008 09:15 1 21 0
07/22/2008 09:30 1 39 0
06/27/2008 11:00 1 14 0
05/13/2008 10:25 23.5 22.5 2 7.5 < 1 4.5 51.75 630 15 0 > 1.2
04/03/2008 09:30 22.5 20.5 2 7.5 < 1 5.75 63.83 620 16 0.2 > 1.2 20
11/12/2007 11:26 25.5 21.5 3 7.5 < 1 5.9 66.67 610 22 0 > 1.2 120
10/18/2007 11:25 30 24.5 3 7.5 5.4 64.26 600 11 0 > 1.2
09/19/2007 08:50 25 25.5 5 7.5 < 1 5.3 64.13 620 8 0 > 1.2
07/31/2007 09:45 27.5 26 5 7.5 < 1 6.2 75.64 630 4 0 > 1.2
07/13/2007 12:19 31.5 28 5 7.5 < 1 5.2 65.52 610 9 0 > 1.2
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