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)
02/01/2025 09:30 8 10 3 7 10.9 2 1.25 > 1.2
12/29/2024 10:05 13 14 3 7 < 1 9.6 94.08 580 10 0 > 1.2
11/25/2024 10:30 19 17 3 7.5 9 93.6 570 8 0 1.2
11/05/2024 09:30 15 17 5 6.5 < 1 7.35 76.44 310 1 1.5 0.1
09/29/2024 09:40 17 19.5 2 7 < 1 7.6 82.84 540 10 0 1.2
08/27/2024 08:10 22 24 3 7.5 < 1 5.9 69.62 460 1 0.5 0.7
07/21/2024 13:10 32 30 2 7.5 < 1 8.1 105.3 490 3 0.95
06/28/2024 08:55 26 28 2 7 < 1 6.2 78.12 540 7 0 1.2
06/03/2024 09:55 26 25 3 7 < 1 6.7 80.4 570 3 > 1.2
04/23/2024 09:00 17 19 3 7 9 97.2 660 2 > 1.2
03/29/2024 08:35 15 17.5 3 7.5 8.1 85.05 650 4 0.1 > 1.2
02/25/2024 08:50 17 16 3 7 9.6 97.92 650 7 0 > 1.2
01/31/2024 10:10 13 12 5 7 < 1 10.9 102.46 730 6 0 > 1.2
12/30/2023 16:00 23 15 3 8 10.2 630 0 0
12/29/2023 10:30 8 10 3 7 < 1 11 99 690 5 0 > 1.2
11/19/2023 07:50 14 15 3 7.5 8.6 86 680 7 0 > 1.2
10/29/2023 09:10 21 21 5 7.5 < 1 6.4 580 3 0.75 > 1.2
09/30/2023 09:30 24 23 1 7 3.1 35.96 730 7 0 0.9
08/27/2023 09:10 27 26.5 1 7 < 1 2.9 35.67 630 30 0 0.75
07/28/2023 08:10 28 28 2 7 < 1 4.1 51.66 590 10 0 0.9
07/22/2023 16:00 39 36 2 8 1 8.5 495 5 0 0
06/28/2023 08:45 24 27 2 7 < 1 6.6 81.84 590 7 0 1
06/21/2023 17:00 38 35 2 8 1 7.9 110.6 540 5 0 0
05/31/2023 09:30 26 23 3 7.5 < 1 7.5 87 640 7 0 > 1.2
05/28/2023 16:15 29 27 3 8 < 1 7.65 94.86 660 1 0
04/30/2023 09:30 22 21 3 7.5 < 1 8.8 98.56 620 2 0.3 > 1.2
04/23/2023 16:30 23 22 3 8 1 690 1 0
04/04/2023 10:00 24 24 3 7 < 1 6.4 75.52 7 0 > 1.2
03/26/2023 16:30 26 24 3 8 < 1 590 3 0
02/26/2023 16:45 28 23 3 8 1 560 3 0
01/29/2023 16:00 22 12 3 7.5 < 1 10.5 610 0 0
11/22/2022 16:15 17 14 3 8 < 1 9.2 580 1 0
10/24/2022 16:15 29.5 25 3 7.5 < 1 570 0 0
09/26/2022 17:00 31 33 3 7.5 < 1 8.1 110.16 560 5 0 0
08/21/2022 17:00 33 33 1 8.5 < 1 11.9 161.84 490 2 0.5 0
07/21/2022 17:00 33 33 1 8.5 < 1 11.9 161.84 490 2 0.5 0
07/17/2022 17:00 37 33 2 8 < 1 8.4 114.24 470 8 0 0
06/18/2022 17:30 34 33 3 8 < 1 7.2 97.92 490 8 0 0
05/22/2022 16:00 26 27 3 8 < 1 7.05 500 0 0
04/24/2022 16:30 28 26 3 8 < 1 8.4 102.48 590 7 0.25
03/20/2022 16:00 23 16 3 8 < 1 10.21 104.14 620 6 0
02/20/2022 16:15 19 14 3 8 < 1 6.3 61.74 610 6 0
01/16/2022 16:00 15 12 7.5 < 1 5.3 49.82 610 6 0
12/19/2021 16:00 12 14 3 8 < 1 5.25 51.45 610 0 1.72
02/13/2020 09:55 8 9.5 5 7 1 10.2 90.78 520 1 1.88 > 1.2
02/02/2020 10:15 20 12 3 7 < 1 10.3 96.82 580 5 0.01 > 1.2
01/04/2020 10:11 14 10.5 3 7.5 1 10 91 550 14 0.01 > 1.2
02/20/2019 16:27 19 14 3 8.1 < 2 8.1 79.38 620 1 0.15 > 1
11/08/2018 16:50 16 17.9 1 8.15 < 1 6.02 63.69 630 0 1 1.22
10/29/2018 17:22 25 21 3 8.13 < 2 5.15 57.68 620 15 0 1.22
12/31/2016 11:25 19 14 2 7 < 1 8.4 82.32 590 26
11/29/2016 09:36 18 5.5 3 7 < 1 6.4 51.84 550 4
07/31/2016 09:45 29.5 29 3 7 < 1 5 64 490 2
06/29/2016 18:30 29 30 3 7 < 1 7.3 94.9 1 1.6
06/25/2016 09:05 27.5 26 3 7 1 5.7 69.54 560 1
05/31/2016 16:00 22 22 2 7 < 1 7.7 87.78 580 0
05/30/2016 16:42 31 26.5 3 7 < 1 5.55 68.26 600 0
04/30/2016 08:00 22.5 22 2 7 < 1 8 91.2 510 7
02/29/2016 18:45 22.5 20 3 7 < 1 7.2 79.2 600 7
02/15/2016 15:45 25 17 1 7 < 1 9.3 96.72 570 30 0
01/31/2016 10:37 21 14 2 7 < 1 9.25 90.65 640 30 0
12/31/2015 12:55 11.5 12 3 7 1 9.8 92.12 660 2
12/23/2015 08:30 19 17 2 7 8.3 86.32 660 1
11/28/2015 13:40 7.5 14 3 7 1 8.9 87.22 630 1
11/25/2015 12:00 21 16 2 7 < 1 8.9 90.78 580 0 0.02
10/29/2015 17:30 25 21 2 7 < 1 7.6 85.12 620 5 0
10/25/2015 15:50 17.5 19.5 4 7 < 2 6.8 74.12 500 0 8
09/27/2015 12:00 29 25.5 2 7 < 1 6.7 81.07 520 14 0
09/25/2015 15:51 32 28 2 7 < 1 8.05 101.43 560 30 0
08/23/2015 11:05 32 29 2 7 < 1 4.5 57.6 510 3 0.14
07/19/2015 13:10 34 30 3 7 < 1 5.55 72.15 560 19
06/27/2015 12:00 28.5 25.5 3 7 < 1 6.2 75.02 640 6
10/21/2012 17:00 30 25 3 8.5 < 1 7.8 93.6 560 7 0 > 1.22
09/15/2012 08:15 20.5 24.5 3 7.5 < 1 5.05 60.1 520 1 4 > 1.22 120
08/17/2012 10:00 28.5 30 3 7.5 < 1 2.8 36.4 570 10 0 > 1.22 155
07/17/2012 15:15 28 26 3 8 < 1 7.2 87.84 590 1 5.5 > 1.2 50
06/30/2012 20:30 28.5 29 3 8.5 < 1 5.6 71.68 620 1 0.25 > 0.75 30
05/27/2012 10:00 26 21 3 8 < 1 8.2 91.84 570 10 0 > 1.2 70
04/29/2012 08:45 21 24 3 7.5 < 1 5.5 64.9 530 5 0 > 1.22 40
03/13/2012 10:00 20 18 1 8 < 1 8.5 90.1 650 1 > 1.2 40
02/25/2012 16:00 15 15 2 8 < 1 11 110 640 5 0 > 1.2 40
01/29/2012 15:16 16 12 3 8 < 1 10.6 99.64 690 4 0 > 1.2 20
12/26/2011 11:28 17 10 3 8 < 1 10.8 97.2 690 1 0.45 > 1.2 90
11/22/2011 11:50 18.5 17 2 8 < 1 6 62.4 710 1 1.25 0.96 20
10/23/2011 10:15 25 20 1 8 1 6.05 66.55 600 20 0 > 1.22 80
09/10/2011 10:30 27 22 1 7.5 < 1 6.6 75.24 710 30 0 > 1.22 20
08/20/2011 11:00 32 31 1 7.5 < 1 4.2 55.44 700 30 0 0.75 720
07/30/2011 10:15 31 30 1 8 < 1 5.75 74.75 670 38 0 0.4 40
06/25/2011 10:45 29.5 29.5 2 7.5 < 1 4.8 61.92 650 4 0 1.04 80
05/22/2011 11:00 27 26.5 2 7 < 2 4.5 55.35 580 14 0 > 1.22 100
03/17/2011 11:18 20.5 19 2 8 < 2 8 86.4 600 5 0.48 > 1.25 130
02/20/2011 11:35 18 17 2 8 < 1 9.4 97.76 620 11 0 > 1.22 100
01/07/2011 10:00 20 11 2 7.5 < 2 9 82.8 600 15 > 1.22 40
08/22/2010 10:15 29 27 2 7 5.7 70.68 580 6 0
07/12/2010 15:50 34 28 3 7 < 1 6.5 81.9 590 3 0
06/25/2010 11:55 30 26.5 2 7.5 < 1 6 73.8 620 8 0
05/28/2010 16:25 31 26 2 7 < 1 7.2 87.84 620 13 0
04/26/2010 17:40 24 22 6.5 < 1 8.9 101.46 650 11 0.04
03/23/2010 15:40 23 16 3 7 < 1 8.9 90.78 710 3 0.76
02/28/2010 13:25 19 12 3 7 < 1 9 84.6 700 5 0
01/24/2010 14:15 16 3 10 8 0
12/23/2009 12:30 19 13 3 7 < 1 9.6 92.16 750 6 0
11/14/2009 15:55 23 18 2 7.5 < 1 8.3 740 6 0
10/16/2009 17:45 19 20 2 7.5 < 1 7.5 790 3 0.37 > 1.22
07/24/2009 09:45 25 25.1 2 7.5 < 1 2.55 30.65 600 30 0
06/15/2009 10:15 28 25 3 7 < 1 6 72 540 11 0
12/06/2008 14:14 19 9 3 7.5 < 1 11.4 100.32 650 10 0 > 1.22 133.2
10/29/2007 10:00 16 14 2 8 < 1 8.4 82.32 590 7 0 > 1.2 100
09/07/2007 08:30 25.5 25 3 7.9 < 1 6.7 80.4 570 5 0 > 1.1 80
08/07/2007 10:00 29 25 3 7.6 < 1 6.9 82.8 640 7 0 > 1.2 320
07/06/2007 10:00 27.5 24 5 8 < 1 7.4 87.32 600 1 2 410
04/22/2007 10:45 23 22 3 7.4 < 1 6.9 78.66 670 14 0 > 1.2 160
03/20/2007 09:45 24 18 3 7.5 < 1 8.03 85.15 680 7 0 > .8 170
12/19/2006 09:45 19 19 2 7.4 < 1 6.57 70.92 640 20 0 > .7
11/20/2006 10:00 13 11 2 7.3 < 1 8.05 690 25 0 > .6
10/17/2006 09:45 19.5 20.5 2 7.4 < 1 6.4 71.04 800 1 0.5 > .75
09/14/2006 10:45 34 25 2 7.4 < 1 6.48 77.7 650 15 0 > 1.2
08/18/2006 10:10 28 28 Normal 8 5.78 72.77 660 > .5
08/10/2006 09:30 29 30 No Flow 7.5 5 65 620 7 0 > 1.2
07/20/2006 09:00 26.5 29 Low 7.4 < 1 4.45 56.96 580 0
06/14/2006 19:45 28 28.5 Low 7.4 5.75 73.03 570 0 .6 80
05/11/2006 10:00 23 21 Flood 7.4 < 1 8.2 91.84 660 1 0 > .8
03/09/2006 10:00 23 19.5 Normal 7.4 < 1 7.6 82.84 590 0.5
01/27/2006 09:45 16 14 Low 7.7 < 1 9.4 92.12 650 5 0
10/27/2005 09:30 17 15 No Flow 7.5 < 1 7.53 75.33 630 7 0
09/15/2005 09:30 29 26 No Flow 7.8 < 1 4.2 51.24 620 4 0 > .75
02/17/2005 09:40 15 12 Normal 8.4 1 8.95 84.13 610 3 0 > 2
12/15/2004 16:40 16 12 Normal 8.3 < 1 11.4 107.16 600 5 0 > 2
11/05/2004 10:00 23 17 Low 7.9 1 9.75 101.4 620 3 0 > 2
09/11/2004 11:38 31.5 26 Normal 8.1 < 1 7.05 86.01 570 0
07/22/2004 09:30 30 27 Low 8.3 6.4 79.36 560 21 0 > 1 200
07/09/2004 16:30 30.5 29.5 Normal 7.3 8.25 106.43 600 9 0
06/24/2004 09:30 25 25 Normal 8.2 < 1 7.1 85.2 640 2 0 370
05/18/2004 09:30 25 23 Normal 7 < 1 6.45 74.82 600 2 > .67 190
03/17/2004 09:30 19 16 High 8 < 1 8.5 86.7 630 2 1 110
02/20/2004 08:45 19 13.5 Normal 7.8 < 1 8.45 81.97 680 7 0 > .8 40
01/23/2004 09:30 13 13 Normal 6.9 < 1 9.9 95.04 690 6 > .7
12/18/2003 09:30 14 9 Normal 8.2 < 1 10.1 88.88 6 > .6
11/20/2003 09:00 10 10.4 Low 8 > 1 8.4 76.27 640 > .7 220
10/20/2003 09:30 17 18 Low 8.1 < 1 6.2 65.72 9 0 .7 220
09/19/2003 09:30 21.5 23 Low 8.3 < 1 7 81.2 650 0 > .65
06/06/2003 10:00 26 25.5 Low 8.3 < 1 7.48 90.45 580 0 .61
05/01/2003 09:30 28 25 Low 7.95 < 1 8.4 100.8 590 > .61
03/27/2003 08:45 17 17 Low 8.1 9.5 98.8 625 2 > .61
01/06/2003 09:30 10 10 Normal 8.1 < 1 660 4 0 > .91
01/03/2003 09:30 5 8.5 High 8.3 < 1 11.1 96.57 640 > .61
11/21/2002 09:00 10 10 Low 8.1 < 1 9.8 88.2 680 0 .61
09/19/2002 09:45 27 27 Low 7.9 < 1 9.65 119.66 755 0 0.1 < .61
08/23/2002 08:45 28 29 6 75 0
07/29/2002 09:30 30 27.5 Normal 8 < 1 6.9 84.3 0 < .61
06/21/2002 10:45 30 28 Low 8 < 1 7.1 88 630 4 0 < .61
04/18/2002 09:45 24 22 Low 7.75 < 1 9.4 105.8 660 4 0.01 < .91
02/21/2002 09:45 19 12.5 Low 8 < 1 10 93 600 68 .91
01/23/2002 09:30 21 15.2 Low 7.8 < 1 9.8 96.4 650 0 < .61
11/14/2001 10:00 20 20 Normal 7.9 < 1 9 97.2 0 < .61
10/17/2001 09:30 10 15 High 8 < 1 10 98 680 3 .61
08/23/2001 09:45 30 28.5 7.6 < 1 3.5 43.8 740 9 0 < .58
07/19/2001 09:45 30 29 7.5 < 1 5.3 66.2 640 0 < .53
06/22/2001 09:45 24.5 27 Low 8 < 1 5.9 72 600 0 0.17 < .61
04/18/2001 12:45 17 17 Normal 8 < 1 9.8 99.5 650 1 < .61
03/15/2001 10:30 17 15 High 8 < 1 10.2 100 640 1 0.5 < .76
02/15/2001 09:30 20 17 Normal 8 < 1 9.2 93.3 690 0 < .91
12/20/2000 14:25 18 10.5 High 7.8 11.7 104.1 710 5 0 < .91
11/16/2000 11:30 15.5 14.5 High 8 < 1 9.7 94.1 800 2.5
09/21/2000 09:30 24 26 Low 7.6 < 1 3.2 38.4 0 < .55
08/25/2000 08:30 27 28 7.9 < 1 6 74.4 3 < .53
08/01/2000 09:45 27.5 27 Low 7.7 < 1 2.7 32.9 2 0.2 .46
06/30/2000 10:00 30 28.5 Low 8 < 1 5.4 66.9 0 .61
05/26/2000 10:00 28.5 27 Low 7.9 < 1 6.3 76.9 0
04/18/2000 09:40 23 23 Low 8 < 1 5.6 63.3 5 0
03/16/2000 10:35 21.5 17.5 Normal 8.5 < 1 8.1 82.9 .61
02/17/2000 08:30 21 20 Normal 7.8 < 1 7.6 82.1
01/20/2000 09:30 12 14 Normal 7.4 < 1 8.2 78.2 12 0 < .61
12/14/1999 11:50 21 12 Normal 7.6 < 1 9.8 90.2 2 < .76
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