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)
12/15/2014 11:00 18 18.08 3 7.64 0.5 8.7 92.36 683 4 0.01 > 1.22
11/18/2014 11:46 18.5 12.05 3 7.59 0.5 9.7 91.28 677 13 0.02 > 1.22
10/17/2014 14:03 31 22.81 3 0.5 8.2 94.81 667 4 0 > 1.22
09/11/2014 11:55 31.5 26.64 2 7.61 0.5 6.3 77.67 651 30 0
08/22/2014 12:55 33 26 3 7.77 0.75 4.9 59.78 640 30 0
07/11/2014 09:28 25 24.91 3 7.67 0.75 7.32 87.71 637 18 0 > 1.22
06/23/2014 11:08 26 24 3 7.68 0.25 7.7 91.46 660 0 1.02 > 1.22
03/12/2014 12:30 16.5 15.5 5 8.05 < 0.25 8.8 88.88 700 14 0.03 > 1.22
02/14/2014 10:51 15.5 12 3 8.03 0.5 9.15 86.01 740 24 0.01 > 1.22
01/17/2014 12:56 15 13.5 3 8.08 0.75 10.1 97.97 700 27 0 > 1.22
12/16/2013 10:30 9.5 15 5 8.09 0.75 8.85 88.5 740 3 0.24 > 1.22
10/08/2013 11:00 20 19 3 7.8 1 7.4 79.92 660 2 0.75 > 1.22
09/13/2013 12:00 28 25 1 7.3 4.2 50.4 640 11 0.19 > 1.22
08/15/2013 13:30 29 24.5 2 7.9 2 6.4 76.16 680 19 0 > 1.22
07/12/2013 14:06 34.5 25 2 7.8 < 1 6.7 80.4 640 1 0 > 1.22
06/21/2013 10:22 28 24 3 7.5 2 5.25 61.95 670 26 0 > 1.22
05/11/2013 12:00 25 22 3 7.4 2 6.55 74.67 670 1 0.75 > 1.22
04/12/2013 10:00 16.5 16 3 7.5 2 7.1 72.42 670 30 0 > 1.22
02/08/2013 09:15 13.5 15.5 3 7.5 < 2 7.03 71 640 27 0.03
01/07/2013 13:00 13 11.2 2 7 < 2 9.55 88.24 620 3 0.2 > 1.22
11/28/2012 11:25 17.2 13.7 3 7.5 < 1 8.8 85.71 680 30 0 > 1.22
10/18/2012 14:30 25 21 2 7.5 2 6.7 75.04 690 20 0.03 > 1.22
09/12/2012 11:05 28 24 2 7.5 5.6 66.08 660 26 0 > 1.22
08/15/2012 11:00 27 26.9 2 7.5 5.2 64.38 610 30 0.06 > 1.22
07/13/2012 14:15 28 27.5 2 7.5 5.5 68.75 650 2 0.53 > 1.22
06/18/2012 14:45 30.5 26.5 2 7.5 1 6.3 77.49 640 30 0 > 1.22
05/18/2012 09:30 22 20.5 5 7.5 1 7.1 78.81 670 4 0.05 > 1.22
04/16/2012 15:30 23.5 20.5 3 7.5 2 7.5 83.25 680 27 0.06 > 1.22
03/06/2012 12:15 20 18 3 7.5 < 2 7.5 79.5 670 15 0 > 1.22
02/13/2012 10:20 7.5 10.5 3 7.5 2 8.6 78.26 660 0 0.53 > 1.22
01/12/2012 11:42 18.5 13.5 3 7.5 < 4 8.1 78.57 720 4 0 > 1.22
11/29/2011 08:53 6.25 15 3 7.5 < 2 7.6 76 720 3 1.05 > 1.22
11/07/2011 09:50 23.5 21 2 7.5 < 2 740 29 0
10/06/2011 09:22 22.5 21 1 7.5 1 4.2 47.04 730 30 0
09/08/2011 11:37 29 19.1 1 7.5 < 1 3.45 37.33 590 30 0
08/03/2011 09:00 29 24.5 1 7.5 < 1 2.5 29.75 690 30 0
07/05/2011 12:21 29.5 25.2 2 8 < 2 6.6 79.46 653 13 0
06/08/2011 15:28 33.5 24.6 2 7.5 < 2 6.05 72.12 687 25 0
05/11/2011 14:18 29.5 24.5 2 7.9 < 4 5.72 68.07 589 99 0
04/13/2011 07:16 8 16 2 7.5 < 2 7.1 72.42 635 71 0
03/14/2011 14:09 21.5 18.1 3 7.5 < 2 6.85 72.75 620 41 0
02/10/2011 10:21 -1 6.5 3 7.5 < 2 10 83 630 9 0
01/05/2011 13:00 19 16.5 3 8 < 2 8.7 89.61 680 12 0.03
12/07/2010 10:15 11 12 3 8 < 4 8.9 83.66 700 89 0
12/04/2001 09:42 22 18 Normal 7.7 < 1 8.75 92.75 600 1 5.5
11/05/2001 09:31 20 18 High 7.6 < 1 6 61.9 620 25 0
10/12/2001 09:34 19.5 18 High 7.8 < 2 7.8 80.6 660 2.5
04/19/2001 09:30 17.5 17 High 6.5 < 1 8.7 88.4 640 0 0.1
04/05/2001 09:30 22 20 Normal 8.4 < 1 8.2 88.6 1 0.1
01/24/2001 09:30 19 17 High 7.6 < 1 7.9 80.2 640 6
12/08/2000 09:40 14.5 16 High 7.3 < 2 6.7 67.3 680 2 0.09
11/15/2000 10:15 11 13 High 7.8 680 0
05/03/2000 09:45 19 15 Normal 7.5 < 1 6.93 69.3 1 3
04/17/2000 09:45 26 19 Normal 7.5 < 1 7.03 75.92 6 0
03/05/2000 09:45 20 18 6.4 66.2
02/18/2000 09:45 28 20.5 Low < 1 4.7 52.17
01/21/2000 09:43 9 12 Normal < 1 1.1 10.4 9 0
11/29/1999 09:40 19 16 7.2 < 1 7.1 70.5 1 0.01
11/08/1999 09:35 15 17 Low 8 < 1 7 72.8 9 0
10/22/1999 09:49 19 16 Low 7.4 < 1 6.4 64 5 0
03/24/1998 17:15 26 21.5 High 7.9 1 7.4 82.5 9 0
03/11/1998 17:00 19 17 High 7.8 1 9.8 100 4 0
02/17/1998 17:00 16 16.5 High 7.8 < 1 8.7 87.9 2 4
02/02/1998 17:18 18 17 7.6 1 9.45 97 3 0.9
01/27/1998 17:00 21 18 7.3 1 9.26 97 21 0
01/27/1998 17:00 25 19 7.5 1 8.1 86 21 0
01/20/1998 16:45 20 17 < 2 8.4 85 14 0
12/10/1997 17:00 13 15 7.4 1 9.13 90 3 1
12/02/1997 17:00 15 15 7.4 1 7.67 75 0 0.1
11/25/1997 17:15 22.5 18 7.5 < 1 7.25 76 10 0
11/17/1997 17:20 10 16 7.6 < 2 7.3 73 2 1.5
11/12/1997 17:00 13 16 7.4 < 2 8.05 80 0 3
11/04/1997 17:15 20 18 7.3 2 8.1 85 5 0
11/04/1997 17:15 22 18 7.5 2 6.93 70 5
10/28/1997 17:00 16 17 High 7.5 8.9 90.3 7 0
10/20/1997 17:00 27.5 20.75 High 7.7 6.6 72.3 8 0
10/15/1997 17:00 24 18.5 7.5 < 1 7.96 84 3 4.5
04/30/1997 09:30 22 18 7.8 < 1 10 110 4 0 115
04/16/1997 15:00 28 20 7.8 < 1 8.8 95 12 0 10
04/02/1997 13:00 21 18 7.6 < 1 8.45 88 0 1 295
12/05/1996 17:22 15 19 7.6 1 9.8 102 1 0.3 140
11/20/1996 16:45 24 21 7.6 < 1 8.5 95 4 0 130
11/16/1996 17:15 27 21 7.6 < 1 7.1 93
10/23/1996 17:00 16 18 7.6 < 1 7.7 95 5 0
10/09/1996 17:00 21.5 20.5 7.7 < 1 7.9 100 12 0 120
05/14/1996 18:05 37 24 7.4 < 1 7.3 100
04/03/1996 18:00 25 17 7.7 < 1 8.5 7 0 165
03/20/1996 11:00 16.75 13.75 Normal 7.5 < 1 8.5 88 4 5 250
03/20/1996 11:00 16 13 Normal 7.3 < 1 7.93 79 4 315
02/21/1996 09:34 24 13 Normal 6.7 < 1 7.13 67 410
12/27/1995 16:45 17.5 14 7.9 < 1 10
12/20/1995 10:45 6.5 15 7 < 1 8.7 2 0.3
12/06/1995 12:30 22 19 7.5 1
11/30/1995 12:30 20 18 7.3 < 1 290
11/15/1995 11:40 20 18 7.3 < 1 6.5 220
10/18/1995 27 21 7.1 1 7.2 435
10/11/1995 11:00 27 21 7.4 1 5.8 68 21 0
10/04/1995 13:00 25 21 7.5 0.25 6.4 14 0
09/13/1995 9:30 25 23 6.8 0.5 6 69 6 0
08/30/1995 17:00 25 23 7.2 0.25 6.4 73 60 405
An unhandled error has occurred. Reload 🗙