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)
04/11/2024 17:20 25 20 2 7.5 1 5.1 56.1 610 1 0.85 0.71
10/10/2023 17:20 23 23 2 9.8 8.5 98.6 370 4 0 > 60
08/27/2021 10:00 No Flow 21 0
04/06/2021 10:18 26 21 3 8.5 < 2 10 112 420 2 0.99
03/03/2019 16:26 13.5 8.5 2 7.96 < 2 10 87 570 0 0 > 1
09/19/2017 17:00 32 28 2 7.4 < 1 5.05 63.63 530 23 0 > 1.22
04/18/2017 17:00 22.5 21.5 3 8.46 < 1 6.4 72.32 550 7 0 > 1.21
02/07/2017 17:02 26 20 3 9.22 < 1 7.9 86.9 580 21 0.02 > 1.21
01/12/2017 17:15 23.5 18.5 3 8.14 < 1 7.6 81.32 550 10 0 > 1.21
09/15/2016 17:10 32 26 3 8.29 1 5.2 63.44 550 16 0 > 1.22
06/14/2016 09:40 28 25 5 7.29 < 2 5.7 68.4 650 10 0 > 1.22
05/03/2016 16:57 22.5 2 5 7.5 1 7.7 56.98 620 3 0.92 1.22
01/26/2016 17:00 10 11.5 3 7.52 < 4 9 83.7 640 20 0 > 1.22
11/24/2015 17:07 16.5 15 3 7.32 < 4 8.4 84 720 7 0 > 1.22
10/20/2015 17:00 27 22 2 7 < 1 7.7 87.78 500 26 0
09/08/2015 17:10 34 29 2 7.48 < 1 6.2 79.36 480 18 0.01 0.63
07/22/2015 10:20 32 29 2 7 < 1 4.4 56.32 580 30
06/20/2015 14:00 27 25.3 5 7 1 7.1 85.63 630 1 1.5
06/10/2015 09:47 30 25 3 7.07 < 4 5.4 64.8 710 13 0 > 1.22
04/17/2015 15:40 20 18.5 3 7 7.6 81.32 710 28
03/24/2015 16:55 28 22 5 7.96 < 4 7.6 86.64 670 4 1.5 > 1.22
02/22/2015 11:20 11 13 3 7 0 7.2 23
02/05/2015 17:00 6 10.5 3 7.85 < 4 11.25 102.38 690 2 0.32 > 1.22
01/13/2015 13:20 7 9 5 7 1 11 96.8 610 10 0
11/30/2014 13:00 24 20 3 7 7.55 83.05 8 0
10/20/2014 11:30 24 22 3 7 5.65 64.41 30 0
10/08/2014 17:10 29.5 24 3 7.32 < 1 5.7 67.26 460 6 0 > 1.22
09/14/2014 14:20 22 21 7 5.3 59.36 1 0.25
09/10/2014 17:00 34.5 28 2 7.2 < 1 4.7 59.22 270 4 0 0.67
07/16/2014 10:55 28.5 27 3 7 3.7 45.88 510 22 0
06/12/2014 13:30 28 26 3 7 5.4 65.88 600 3 1.2
06/10/2014 11:25 25.5 22 5 7.1 < 2 5.28 60.19 510 1 0.5 0.75
04/22/2014 17:10 27 22 3 7.36 7.1 80.94 600 8 0.5 > 1.22
04/20/2014 17:20 22 19.5 3 7 6.65 72.48 670 6 0
04/03/2014 17:00 26 21 2 7.69 < 1 6.6 73.92 670 17 0
02/16/2014 14:30 21 14.5 3 7 8.2 81.18 30 0
01/11/2014 12:00 19 14.5 3 7 7.1 70.29 30 0
12/01/2013 10:00 19 16.5 5 7 7.6 78.28 8 0
11/05/2013 16:57 22 21 3 6.87 < 5 10 112 730 1 0.33
10/06/2013 10:20 18.5 20 5 7 6.7 73.7 400 30 0
08/04/2013 10:55 31 28 2 7 3.9 49.14 460 8
06/27/2013 10:10 28 27.5 2 7 4.5 56.25 9
06/11/2013 10:30 28.5 25 3 < 2 3.75 45 420 2 0.16 > 1.22
06/03/2013 15:00 30.5 25.5 3 7 6.3 76.23 1 0.5
05/21/2013 17:36 28.5 25.5 2 11
04/25/2013 16:55 21 17 3 7.94 < 1 8.85 92.04 570 8 0 > 1.22
04/16/2013 17:00 29 23.5 3 7 9.45 110.56 580 24 0
03/28/2013 17:00 22 16 3 8.05 < 1 9.9 100.98 610 8 0 > 1.22
03/19/2013 17:00 24.5 21 3 7.62 < 2 7.95 89.04 610 8 0 > 1.22
03/09/2013 09:30 18.5 15 3 7 6.15 61.5 550 30 0
02/03/2013 09:00 12.5 13 3 7 7.55 72.48 590 23 0
01/22/2013 16:45 20 15 3 7.46 < 1 10.1 101 660 13 0 > 1.22
01/02/2013 10:00 3.5 8.5 2 7 8.05 70.04 560 30
11/26/2012 17:08 24.5 17 2 7 6.3 65.52 510 30 0
10/21/2012 14:50 30.5 23.5 3 7 7.2 84.24 550 10 0
09/17/2012 17:00 26 24.5 5 7 7.2 85.68 290 1 2.27
09/06/2012 17:02 35 29 2 7.07 < 1 4.4 56.32 510 19 0 > 1.22
08/11/2012 10:00 30 28.5 2 7 2.95 37.47 500 30 0
07/11/2012 10:00 25 24 5 7 5.85 69.03 240 0 1.77
06/06/2012 11:15 32 27 3 7.28 < 1 4.65 57.66 590 23 0 > 1.22
05/01/2012 17:00 29 25 2 7.32 < 1 7.45 89.4 610 16 0 > 1.22
03/27/2012 17:10 25 22 3 7.35 < 6 8.8 100.32 720 6 0
02/02/2012 17:00 22 28 3 7.75 2 9.4 118.44 660 3 0.4 > 1.22
10/25/2011 17:00 29 24 1 7.38 < 1 720 17 0 0.8
09/06/2011 17:10 31 Dry 30 0
07/06/2011 10:05 33 27 1 < 1 4.5 55.8 22 0 0.96
05/04/2011 16:45 25.5 18 2 8.5 < 1 5 53 590 2 0.1 > 1.22
02/15/2011 17:00 23 17 3 7.9 < 1 7 72.8 560 8 0 > 1.22
09/14/2010 16:45 30 28 3 7.69 < 1 8.1 102.06 460 6 0 > 1.22
05/23/2010 11:15 29 24 3 7.8 < 1 5.4 63.72 650 6 0
04/18/2010 10:30 18 18 5 7.9 < 1 7.3 77.38 370 1 0.3
03/21/2010 16:30 14 14 5 8.1 2 10.6 103.88 630 1 1
02/21/2010 16:15 22 18 3 8 < 4 12 127.2 630 10 0
01/19/2010 16:50 20 18 3 7.73 < 4 9.2 97.52 670 1 0.1 > 1.22
01/17/2010 11:15 15 12 5 8 1 9.6 91.65 630 2 2
12/23/2009 12:15 20 16 3 7 1 9.3 94.86 710 6 0
11/23/2009 14:00 20 17 5 7 < 2 9.1 690 3 1.3
11/10/2009 16:45 23 20 3 7.54 < 2 7 77 680 1 0.25 > 1.22 199.5
10/19/2009 16:30 24 19 3 8.2 < 1 8.8 680 10 0
09/20/2009 17:45 31 25 3 7.7 < 1 4.6 560 8 0
09/01/2009 16:55 31.5 29 1 8.35 < 1 7.95 560 5 6 0.909
08/16/2009 10:45 29 28 1 7.4 < 1 2.15 27.09 600 90 0
07/08/2009 11:00 37 29 2 8.18 < 1 420 9 0 > 1.22
06/21/2009 12:00 33 28 2 7.8 < 1 5.6 70.56 460 10 0
05/17/2009 14:00 20 20 5 8.1 < 1 7.5 82.5 350 1 1.5
04/19/2009 17:30 24 21 3 8.1 < 1 8.1 90.72 560 2 1.27
03/29/2009 15:15 22 15 3 8 590 3 1
03/01/2009 15:00 14 12 3 8 < 1 9.6 90.24 620 10 0
02/01/2009 11:30 21 10 3 8 < 1 8.6 77.4 590 5 0
01/13/2009 16:45 10 8 3 < 1 38 > 1.22
01/03/2009 15:15 25 16 3 8 < 1 8.27 84.32 580 53 0
11/27/2008 16:30 21 14 2 7.8 < 1 6.5 63.7 690 23 0
11/18/2008 17:00 18.5 12.5 2 7.74 < 1 6.3 59.85 580 29 0 > 1.22
10/19/2008 10:30 18 17 2 7.5 < 1 4.1 42.64 430 4 0
09/18/2008 18:30 No Flow 60 0
09/16/2008 17:05 25 22.5 1 8.44 < 1 450 25 0 > 1.22
09/02/2008 16:45 34 29 1 7.96 < 1 8.7 111.36 470 3 0.13 0.931
06/23/2008 11:30 32 26 2 8.2 < 1 460 60 0.2
05/18/2008 17:00 29 22 3 8 < 1 570 3 0.5
04/20/2008 15:00 23 17 3 8 < 1 7.5 78 540 4 0
03/23/2008 16:00 17 16 3 8 < 1 10.2 104.04 610 4 0
03/02/2008 16:30 23 18 3 8 < 1 9.1 96.46 550 60 0
01/20/2008 17:30 11 7 3 8.2 < 1 13.73 115.29 540 2 0.3
12/02/2007 16:15 23 19 3 7.9 < 1 8.2 88.56 610 7 0
10/14/2007 13:15 28 22 3 7.9 < 1 6.65 75.81 520 10 0
09/23/2007 14:00 29 24 3 8 < 1 8.2 96.76 540 20 0
08/25/2007 11:30 29 26 3 7.8 < 1 6 73.2 530 7 0
08/25/2007 10:15 30 27.5 3 7 < 1 5.7 71.25 560 3 0.08
07/31/2007 17:30 27 25 5 6.8 < 1 7 84 580 2 0.11
07/01/2007 11:30 29 24 3 8 < 1 7.4 87.32 610 4 0
05/20/2007 13:30 24 20 3 8 < 1 9.2 101.2 620 4 0
05/18/2007 11:30 25 23 3 6.9 < 1 9.3 107.88 590 2 0.59 < 1
04/22/2007 12:30 21 19 3 7.9 < 1 8.2 88.56 630 5 0
03/31/2007 10:28 18.5 17.5 5 7 < 1 7.5 78.75 570 1 1.49
03/18/2007 14:00 21 18 3 8.1 1 9.7 102.82 650 4 0
02/18/2007 14:30 16 11 3 8 < 1 670 30 0
01/21/2007 14:30 15 13 5 6.9 2 10.2 660 1 1
12/17/2006 13:30 24 18 3 8.2 < 1 3.41 36.15 600 60 0
11/26/2006 11:45 22 16 3 8 8.2 83.64 620 30 0 1
10/22/2006 14:30 16 17 3 8.2 10.1 600 6 0
09/24/2006 11:30 21 22 3 8 < 1 7.1 290 1 0.5
08/27/2006 10:45 29 28 No Flow 8 < 1 5.6 70.56 460 7 0
07/04/2006 10:45 26 24 Normal 8 < 1 6.3 74.34 540 3 1.5
05/28/2006 17:15 29 24 Normal 8 < 1 8.9 105.02 750 21
04/17/2006 10:30 26 23 Normal 7.9 < 1 5.9 68.44 660 14
03/26/2006 13:00 22 15 Normal 8.1 < 1 10.2 102 640 7 0
02/26/2006 11:45 14 13 Normal 8 < 1 9.2 88.32 360 1 1
01/29/2006 13:30 23 14 Normal 8.1 < 1 9.7 95.06 370 1 1
12/26/2005 15:45 24 11 Normal 8 < 1 10.2 93.84 630 30 0
11/25/2005 14:30 24 15 Normal 8 < 1 8.85 88.5 620 30 0
10/23/2005 22 18 No Flow 7.9 < 1 6.25 66.25 560 10 0
09/18/2005 12:15 31 27 Normal 7.8 5 62 500 8 0
08/21/2005 16:45 32 28 Normal 8 < 1 9.4 118.44 540 3 0.5
06/19/2005 11:00 30 27 7.8 < 1 5.4 66.96 510
05/15/2005 13:15 27 22 8 < 1 8 91.2 590
04/17/2005 13:45 23 19 Normal 8 9.6 103.68 600 7 0
03/27/2005 15:30 16 16 High 8.3 < 1 11.3 115.26 420 1 1
02/27/2005 17:00 19 17 Normal 8.3 1 11.8 122.72 510 1 1
01/22/2005 15:00 17 15 Normal 8 1 13.4 134 390 10 0
12/18/2004 13:45 17 13 Normal 8 1 10.8 103.68 670 14 0
11/21/2004 14:00 20 20 High 8.2 < 2 8.47 93.13 580 1 2
10/17/2004 13:00 29 22 Normal 8 < 1 6.8 77.52 580 8 0
09/19/2004 11:30 30 26 Normal 8 < 1 5.5 67.1 540 5 0
08/22/2004 12:00 30 25 Normal 8.2 < 1 7.4 88.8 400 1 3.5
06/27/2004 10:15 25 24 Flood 8.4 1 7.3 86.14 410 1 4
05/23/2004 15:00 27 24 Normal 8.1 < 1 9.2 108.56 590 0
04/25/2004 13:00 19 20 Normal 8.2 < 1 8 88 560 1 0.6
03/28/2004 10:20 23 20 Normal 8.1 1 8.6 94.6 650 3 0.3
02/15/2004 14:30 12 13 Normal 8 2 12.4 119.04 610 1 0.3
01/18/2004 14:00 7 13 High 8.2 < 1 9.8 94.08 470 2 2.5
12/20/2003 14:30 18 9 Normal 7.8 < 1 12.01 105.69 560 10 0
11/22/2003 14:15 26 19 Normal 8.1 7.3 78.84 580 10 0
04/22/2003 11:20 17 18 High 8.1 < 1 7.3 77.38 300 0 0.9
11/09/2002 11:46 26 19 Normal < 1 7.53 81.36 6 0
10/26/2002 11:16 14 18 High 8.2 < 1 8.23 87.27 410 0 0.18
09/21/2002 11:46 27 24 Normal 8 6.73 79.36 520 0 0
08/17/2002 11:06 35 27 Normal 7.9 < 1 5.3 64.1 480 0
07/19/2002 11:45 34 29 Normal 7.8 < 1 6.3 79.8 560
03/16/2002 12:09 14 16 8.2 8.9 89.3 610 0
01/12/2002 10:20 16 11 Normal 8.2 < 2 9.7 87.6 710 0
09/29/2001 11:35 23 19 8 < 2 7.5 79.5 530
08/26/2001 11:57 29 26 Low 8 < 1 4.5 54.4 500
06/16/2001 14:36 31 25 Normal 8.2 < 1 7.8 92.4 380 2 0.73
05/12/2001 14:06 26 23 Normal 7.9 < 1 7.8 89.2 610
03/24/2001 11:22 20 18 8.1 4 9.8 102.3 0 0.16
02/11/2001 13:28 11 12 Normal 8.3 < 2 12.6 116.2 690 1 0.95
12/16/2000 13:06 18 14 High 8.2 < 4 10.7 102.2 710 1 0.95
09/17/2000 12:00 27 24.5 Low 7.5 < 1 .45 5.36 3 0.25
09/10/2000 12:36 32 30 7.5 < 1 .8 10.6 1 0.49
08/06/2000 12:38 34 30 8 < 1 7.3 93 0
07/15/2000 11:30 35 28 Low 7.8 < 1 6.1 76.1 0
06/25/2000 11:32 32 27 Normal 8 < 1 7 85 0
05/29/2000 11:38 32 25 Normal 7.9 < 1 7 82.2 2 0.04
04/18/2000 09:55 23 21 Normal 7.8 < 1 6.9 75.9 0
03/18/2000 11:42 16 13 Normal 8 1 9.6 90.5 2 2
02/26/2000 11:37 19 17 High 8.1 < 1 8.9 90.3 0 0.5
01/17/2000 12:05 23 18 Normal 8 < 1 9.7 100.9 0
11/28/1999 11:06 22 13 Normal 8 < 1 8.2 76.6 6 0
10/11/1999 10:42 28.5 27 8 < 1 6.8 83.4 0
10/03/1999 11:41 29 23 7.7 < 1 5.1 57.8 3 0.1
09/11/1999 10:42 28.5 27 8 < 1 6.8 83.4 0
08/14/1999 14:52 36 31 8.1 < 1 8 103.7 0
07/10/1999 11:30 31 28 Normal < 1 6.4 79.8 2 1
06/05/1999 12:10 31 27 8.2 < 1 7.7 93.5 4 0.3
04/21/1999 14:15 29 23 Normal 8.2 < 1 7.5 85.9 0 .61
03/06/1999 11:00 20 18 Normal 8.2 < 1 8.6 89.1 1 0.5
02/06/1999 17:00 24 19 Normal 8.2 9.1 95.9 0
01/09/1999 13:40 12 9 Normal 7.9 < 1 11.8 101.8 0
An unhandled error has occurred. Reload 🗙