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)
06/08/2016 19:30 29 23 8 1 7.85 91.06 6 0 1 33.3
01/20/2015 14:51 29 16 1 7.5 < 1 8.9 90.78 480 7 0 1.5
12/18/2014 16:40 16 15 1 7 < 1 8.5 85 480 1 1 1.1
11/20/2014 17:22 21 16 1 7.5 < 1 7.6 77.52 470 21 0 1.1
08/28/2014 09:15 27 29 7.5 6.8 87.04 560 9 0 1.15
07/31/2014 08:59 29 28 7.5 6.75 85.05 480 12 0 > 1.2 10
07/03/2014 09:35 27 28 7.5 7.15 90.09 480 9 0 1.37
05/30/2014 09:15 25 25 7.5 4.1 49.2 360 3 2.58 .35
05/06/2014 09:15 21.5 21 7.5 7.2 80.64 530 13 0 1.35
04/08/2014 09:25 10 18 7.5 7.6 80.56 500 2 0.28 1.6
03/11/2014 09:45 15 14 7.5 9.5 93.1 500 30 0.13 1.7
02/11/2014 10:00 10 9.2 7.5 10 88.4 490 30 0 1.04
01/10/2014 09:15 17 12.5 7.5 9.9 94.05 470 18 0 1.11 10
12/04/2013 10:00 13.5 14 7.5 10 98 500 8 0 1.18
10/30/2013 09:17 23 22 7.5 6.6 75.24 490 13 0.09 .71 60
09/30/2013 09:25 19 25 7.5 5.5 530 9 0.14 1.4
08/29/2013 09:10 28 30 8 5.4 70.2 510 13 0.09 1.2
08/01/2013 09:05 25.5 29 8 6.6 84.48 520 5 0 1.1
07/01/2013 09:30 26.5 27 8 6.9 85.56 510 1 0.14 .98 20
06/03/2013 09:30 25 26 7.5 7.25 88.45 520 9 0.12 .92
05/01/2013 09:10 22.5 22 7.5 7.6 86.64 480 28 0 .95
04/01/2013 09:35 18 19 7.5 8.25 89.1 480 1 0.15 1.29
03/12/2013 10:20 16 15 7 8.1 81 460 2 0.87 1.12 20
02/05/2013 09:10 12.5 14 7.5 8.9 87.22 490 6 0 1.23 20
01/11/2013 10:05 16 12.5 7.5 9.2 87.4 480 1 2.95 1.72 50
11/26/2012 09:30 18 18 8 6.85 72.61 460 28 0 1.33
11/01/2012 09:35 15 20 7.5 8 88 460 5 0 .95 20
09/27/2012 09:55 24.5 26.5 7.5 < 1 5.7 70.11 450 10 0 1.09 .5
08/28/2012 09:10 26.5 28 7.5 < 1 6.05 76.23 460 9 0 .71
07/09/2012 09:30 25.5 28.5 7.5 < 1 5.2 66.04 410 1 0.39 .94
06/08/2012 09:40 23 27 7.5 < 1 5.7 70.68 390 1 0.62 1.4
04/30/2012 09:10 25 24 7.5 < 1 6.65 78.47 420 30 0 1.3 10
04/02/2012 09:15 22 24 7.5 < 1 7.6 89.68 390 13 0 1.05 10
02/27/2012 08:45 15 15 7.5 < 1 9 90 430 8 0 1.02 20
01/06/2012 10:00 16 13 7.5 < 1 9.9 95.04 480 22 0 1.04
11/30/2011 10:15 10 15 7.5 < 1 8.3 83 520 4 0 1.07
10/31/2011 08:30 13 19.5 8 < 1 7.5 81.75 510 22 0 1
10/04/2011 10:15 22.5 25 7.5 < 1 5.6 67.2 530 6 0 .75 10
08/31/2011 09:00 26.5 29.5 7.5 < 1 6 77.4 530 30 0 .9
07/29/2011 08:30 27.5 30 7.5 < 1 5.9 76.7 510 12 0 .8 10
06/28/2011 08:50 28 29 8 < 1 6.7 85.76 480 5 .9
06/03/2011 09:20 25 27 1 7.5 < 1 7.7 95.48 470 21 0 1
05/11/2011 09:15 25 24 7.5 < 1 5.95 70.21 450 11 0 .75 10
04/08/2011 09:10 25.5 22 7.5 < 1 7.3 83.22 450 57 0 .9
02/28/2011 09:20 15 15 7.5 < 1 7.9 79 440 17 0 .8 10
01/24/2011 09:30 9 10 8 < 1 9.25 83.25 450 8 0 .9
01/03/2011 09:10 9 11.5 7 < 1 9.1 84.63 430 5 0 .9
11/29/2010 09:15 21.5 17 7.5 < 1 8.45 87.88 440 25 0 .9
10/29/2010 09:45 11.5 21.5 7.5 < 1 6.25 70.62 440 17 0 .75
09/27/2010 09:40 18 26 7.5 < 1 4.5 54.9 430 2 1.05 1
08/26/2010 09:00 26 29.8 7.5 < 1 4.3 55.73 430 25 0.05 1.4
07/28/2010 09:10 28 29.5 7.5 < 1 4.4 56.76 410 1 2.45 .7
07/01/2010 08:30 25 28 7.5 < 1 5.3 66.78 420 2 0.32 1
06/04/2010 09:30 26 27 7.5 < 1 5.2 64.48 350 2 0.48 .8 70
04/29/2010 09:20 21 20.05 7.5 < 1 6.9 75.97 390 5 0 .7
03/30/2010 09:50 20 18 7.5 < 1 7.9 83.74 430 5 0 .8 10
02/25/2010 09:25 8 10 7.5 < 1 9.45 85.05 410 2 0.24 .9
01/05/2010 09:30 1.5 9 7.5 < 1 8.7 76.56 380 6 0 1.4
12/13/2009 09:30 8 11 3 7.5 < 1 8.25 75.9 350 5 0.07 9.5
11/02/2009 10:00 17.5 18 7.5 < 1 6.2 300 3 0.14 .7 70
10/08/2009 09:30 26.5 24.5 7.5 < 1 4.75 430 4 0.01 .8 100
09/01/2009 09:15 26 27 8 < 1 5.45 67.58 500 19 0 1
08/12/2009 08:45 29 28.5 3 8 1 6.3 80.01 480 11 0 1.2
07/09/2009 08:45 28 30 3 7.5 < 1 6.4 83.2 460 6 0 .7
06/01/2009 09:00 23 25.5 3 7.5 < 1 6.65 80.47 450 7 0 .7
05/04/2009 09:30 19 22 3 7.5 < 1 6 68.4 390 6 0.02 .4
04/09/2009 09:00 20.5 18 3 7.5 < 1 8 84.8 470 7 0 .9
03/06/2009 09:35 19.5 16.5 3 7.5 < 1 8.2 84.46 480 25 0 .7 10
02/12/2009 13:25 18 15 3 7.5 < 1 8.85 88.5 470 1 0.34 .7
01/08/2009 10:15 18 12.5 3 7.5 < 1 8.65 82.18 480 3 0.7 1.1
12/05/2008 10:00 4 13 3 7.5 < 1 7.8 74.88 460 23 0 .8 10
10/29/2008 10:30 25.5 22 3 7.5 < 1 7.7 87.78 470 13 0 .7 10
09/23/2008 08:50 24 26 3 7.5 < 1 7.15 87.23 450 31 0 1.1
09/05/2008 09:00 24.5 27 3 7.5 < 1 4.3 53.32 450 5 0 1
08/01/2008 09:00 28 29.5 3 8 < 1 5.45 70.31 420 7 0 .6
07/08/2008 09:00 25.5 28 3 7.5 < 1 5.2 65.52 450 1 0.31 .7 20
06/12/2008 08:30 26 27 3 7.5 < 1 5.55 68.82 440 28 0 .9
04/30/2008 09:30 21.5 21 3 7.5 < 1 6.2 69.44 440 3 2 .5
04/05/2008 09:45 13.5 19 3 7.5 < 1 7.4 79.92 450 2 1 .9 20
03/01/2008 09:30 13 9.5 3 7.5 < 1 8.35 74.32 450 37 0 .7 10
02/11/2008 09:10 12.5 9 3 7.5 < 1 8.25 72.6 470 19 0 1 10
12/28/2007 11:30 11 11 3 7.5 < 1 7.7 70.84 430 13 0 1.2
11/30/2007 10:00 15 14 3 7.5 < 1 7.3 71.54 420 4 0 1.1
11/12/2007 09:10 22 20 3 8 < 1 6.9 75.9 410 21 0 .9
09/27/2007 09:15 26 28 1 8 < 1 5.4 68.04 400 15 0 .8
08/29/2007 09:10 28 29.5 3 8 < 1 5.3 68.37 380 12 0 .9
08/03/2007 09:00 27 29 3 8 < 1 5.25 67.2 400 5 0 1.1
07/13/2007 08:40 26 28 3 8 < 1 6.3 79.38 410 6 0 1 10
06/01/2007 08:30 25 25.5 3 8 < 1 6.2 75.02 270 1 0.7 .4 30
05/08/2007 09:30 29.5 23 3 8 < 1 6.3 73.08 340 5 0 .6 10
03/29/2007 09:15 21 19 3 8 < 1 6.2 66.96 300 3 3.5 .25 300
02/27/2007 09:30 14.5 13.5 3 7 < 1 9.5 92.15 480 30 0 1.6 50
01/30/2007 10:30 15 10.5 3 < 1 9.4 85.54 490 16 0 250
01/05/2007 10:30 19 12 3 8 < 1 8.9 83.66 500 2 1.5 1.3 80
11/30/2006 09:00 22 18 3 8 < 1 7.3 77.38 490 33 0 1.2 10
10/31/2006 09:00 21 20 3 8 < 1 7.35 80.85 490 5 0 1 10
09/25/2006 09:45 21 25 3 8 < 1 5.2 62.4 500 2 0.3
08/28/2006 08:45 27 29.5 Normal 8 < 1 5.1 65.79 500 35 0 1
07/27/2006 08:25 26 29 Normal 7.5 < 1 5.2 66.56 470 5 0 1.1
06/29/2006 08:30 24 27.5 7.5 < 1 6.75 84.38 460 5 0 1.2
06/02/2006 09:15 22.5 26 Normal 7.5 < 1 5.2 63.44 440 18 0
05/08/2006 09:15 18 24 Normal 7.5 < 1 5.7 67.26 390 0 3.2 1 60
04/04/2006 09:15 19.5 19.5 Normal 7.5 < 1 7.45 81.21 490
02/28/2006 09:15 18 14 Normal 7.5 < 1 7.9 77.42 480 3 0.7 1.2 20
01/27/2006 10:30 11.6 12 Normal 7.5 < 1 9 84.6 480 5 0 10
01/06/2006 09:25 10.5 11.5 Normal < 1 8.1 75.33 460 44 0
12/12/2005 10:10 14.5 11.5 Normal 7 < 1 8.5 79.05 490 18 0 .7
10/31/2005 08:40 21 20 Normal 7.5 < 1 6.65 73.15 470 21 0 1
09/28/2005 08:40 25 28 Normal 7.5 < 1 5.7 71.82 460 16 0 1.5
08/30/2005 08:45 24.5 27.5 Normal 7.5 < 1 5.3 66.25 450 3 0.2 1.3 10
07/28/2005 08:45 24 28 Normal 7 < 1 4.95 62.37 440 0 0.4 1.1
06/28/2005 08:30 24.8 28.5 No Flow 7.5 < 1 5.3 67.31 430 21 0 .9
04/21/2001 08:00 22 21 Normal 8.3 < 1 6.4 70.4 460 4 0 .5
12/11/2000 13:00 25 14 Normal 8.2 7.5 72 350 0 .75
11/07/2000 14:00 12 13 8.3 < 1 7.3 68.6 280 0 2.25 .1
08/07/2000 13:15 35 32 Low 8.6 < 1 7.4 97.7 9 0 1
07/06/2000 02:30 35 30 Low 8.4 < 1 7.7 98.6 0 1
06/22/2000 13:30 32 28 Low 8.6 < 1 6.7 83.1 0 1
06/05/2000 14:30 30 28 Low 8.5 < 1 6.8 84.3 2 1.5 1.75
04/18/2000 14:30 26 24 Normal 8.6 < 1 9.3 107.9 0 4.5
03/01/2000 09:00 19 18 Normal < 1 8.6 89.4 5 0
01/18/2000 14:30 28 15 Low < 1 9.9 97 11 0 1.5
12/08/1999 15:00 22 16 Normal < 1 8.7 87 4 0.25 1
10/18/1999 14:56 15 23 7.8 < 1 5.2 59.3 0 1.5 .75
10/05/1999 09:00 25 24 Low 8 < 1 6.1 70.8 0 1
04/22/1999 17:00 33 25 Low 7.8 < 1 8.5 100.7 0 .75
02/03/1999 15:30 27 15 Low 8 < 1 9.4 92.1 0 1.25
01/20/1999 14:30 21 14 Low 8 < 1 9.6 91.7 0 .8
01/06/1999 10:15 11 11 Low 8 < 1 10 90 0 1.5
12/08/1998 11:15 11 18 Normal 7.8 < 1 7 72.8 90 < 2.74
11/16/1998 10:20 17 17 Low 7.8 < 1 7 71.4 2 1
02/03/1998 10:30 11 11 8 < 1 9.7 87 3 0.1
01/20/1998 10:00 11 11 7.8 < 1 9.1 82 1
01/05/1998 11:00 17 17 8 < 1 9.6 100 0 0.1 1.2
12/18/1997 13:00 21 12 8 < 1 9.2 85 1.25
12/03/1997 11:00 12 15 7.8 < 1 9.3 93 1 0.5 .75
11/17/1997 10:30 9 13 7.6 < 1 9.2 .75
11/04/1997 13:30 24 19 8.1 < 1 9.1 97
10/01/1997 11:20 27 26 7.8 < 1 5.9 73 0 .75
09/19/1997 10:00 30 29 High 8 < 1 5.4 68 16 1
03/03/1997 10:30 15 15 7.7 < 1 8.1 80.04 1 1.5 .15
02/21/1997 9:05 14 14 7.7 < 1 6.7 64.8 1 2
01/23/1997 10:30 18 15 7.9 < 1 10.2 100.8 17 .15
01/07/1997 10:00 7 12 7.5 < 1 8.5 78.69 1 0.5 .15
12/04/1996 9:55 10 14 7.5 < 1 6.88 66.51 0 .08
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