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)
07/20/2013 13:35 35 23 7.5 6.4 74.24 440 3 1.5 > 1.5
06/05/2013 14:10 34 24 6.15 72.57 430 12 0 > 1.5
04/17/2013 13:15 29.5 21 8.5 8.3 92.96 480 15 0 > 1.5
02/23/2013 13:12 17.5 15 8 8.65 86.5 480 13 0 > 1.6
11/14/2012 13:15 19 19 8 7.55 81.54 470 30 0 > 1.6
09/28/2012 15:07 32 26.5 6.95 85.48 500 12 0 > 1.3
08/23/2012 11:40 29 28 7.5 6.2 78.12 500 5 0 > 1.4
07/25/2012 13:20 32 29.5 7.5 5.4 69.66 520 30 0 > 1.5
06/20/2012 10:32 27 28.5 8 6.9 87.63 460 30 0 > 1.5
04/01/2012 17:45 28 24 8.5 8.5 100.3 470 12 0 > 1.5
02/26/2012 16:40 18 15.5 8 10.3 104.03 490 7 0 > 1.6
12/31/2011 16:30 21 15 8 9.9 99 480 9 0 > 1.5
11/06/2011 11:13 24 19 8 7.4 79.92 30 0 > 1.4
09/25/2011 15:15 29 26.5 7.5 6.85 84.26 440 30 0 > 1.5 20
07/30/2011 16:35 34 26.5 7.5 6.4 78.72 450 30 0 > 1.4 40
06/04/2011 11:15 31 19.5 7.5 6.2 67.58 430 14 0 > 1.5
04/24/2011 16:00 32.5 18 8 6.4 67.84 440 30 0 > 1.6
02/19/2011 15:20 22.5 15 7 9 90 420 40 0 1.3 60
01/29/2011 13:30 19.5 20 0
12/26/2010 12:20 7.5 13 8 10.07 96.67 420 2 0.7 > 1.35
10/20/2010 13:15 23 24 7.5 8 94.4 450 43 0 > 1.3 10
09/18/2010 14:15 27.5 21 7.5 6.4 71.68 440 11 0.25 1.8 30
08/15/2010 13:55 7.5 6.65 430 7 0 1.4 40
06/20/2010 15:00 31 27 7.5 8.65 107.26 580 11 0 > 2
04/18/2010 15:30 20 18.5 7.5 8.3 88.81 460 1 2 > 1.8
02/21/2010 16:20 23.8 14 7.5 10.2 99.96 500 23 0 > 1.8
01/23/2010 14:05 18 13 8 8.6 82.56 460 7 0 > 1.4
12/26/2009 11:10 9.5 7.5 8 10.2 86.7 440 27 0 > 1.4
10/18/2009 11:55 19 21.5 7.5 6.18 69.78 460 10 0 > 1.4
09/13/2009 14:15 26.5 20.5 7.5 5.6 62.16 410 1 2.5 > 1.4
07/26/2009 13:30 37.5 21 7.5 5.9 66.08 440 45 0 > 1.4 30
06/06/2009 12:45 31.5 20.5 7.5 6.3 69.93 440 21 0 > 1.5
04/19/2009 13:35 24 18 7.5 8.05 85.33 420 1 1.5 1 30
03/22/2009 13:20 26 17.5 7.5 8.7 91.35 440 10 0 > 1.3
01/18/2009 13:15 21.5 12 8 9 84.6 420 68 0 > 1.5 10
12/28/2008 13:30 9 14.5 8 8.7 86.13 420 40 0 > 1.5
11/16/2008 13:26 27.5 19 8 7.35 79.38 410 30 0 > 1.6
10/19/2008 14:10 28 19.5 7.5 6.9 75.21 400 4 0 > 1.7
08/03/2008 14:10 36 24.5 3 7 5.45 64.86 410 80 0 1.7 20
07/05/2008 16:07 31 19.5 3 7.5 6.15 430 51 0 1.4 220
06/01/2008 13:15 36.5 20.5 3 7.5 8 88.8 460 17 0 1.5
04/26/2008 14:10 28 19.5 3 7.5 8.1 88.29 420 9 0.75 1.5 10
03/30/2008 13:30 33.5 17.5 2 7 8.8 92.4 450 148 0.5 > 1.5 30
02/23/2008 14:58 19.9 14 3 8 8.55 83.79 410 118 0 1.2 30
01/26/2008 11:33 17.5 11.5 2 7 7.55 70.22 470 95 0 10
12/30/2007 15:45 16 18.5 2 7.5 9.38 100.31 400 69 0 > .8 30
11/25/2007 15:05 12 19 3 7.5 6.3 68.04 400 1 1 > 1.2
10/28/2007 16:13 26 20.5 2 7.5 6.4 71.04 390 7 0 .9
09/29/2007 16:00 32.5 24 3 7.5 6 70.8 410 18 0 > 1.4 10
08/26/2007 12:15 29 26.5 3 7.5 3.85 47.36 390 10 0 > 1.4 20
07/29/2007 18:50 30.5 26.5 3 7 3.65 44.9 380 9 1 .75 200
06/30/2007 15:30 37 22 4 7 6.25 400 10 0.25 1
05/26/2007 15:30 26 22 3 7.5 6.7 76.38 480 10 1 > 1.6
04/29/2007 11:42 28 22.1 3 8 6.7 76.51 490 25 0 > 1.6
03/25/2007 13:45 25 19.9 3 8 7.4 480 12 0 > 1.5
02/24/2007 15:40 22 14.5 3 8 8.55 84.65 450 48 0 > 1.4
01/27/2007 14:06 18 11.5 3 8 9.05 84.17 430 24 0.3 > 2.25
12/25/2006 16:35 11.5 14 3 8 9.1 89.18 440 1 2.5
11/26/2006 15:15 23 20 2 8 7.4 81.4 440 41 0 > 1.5
10/28/2006 14:55 24 19.5 2 8 7.1 77.39 440 16 0.14 > 1.4
09/30/2006 16:18 32 25 2 7.5 5.45 65.4 460 12 0 1.75
08/27/2006 15:20 36 25.5 Normal 7.5 4.78 57.78 460 71 0 1.5
07/23/2006 15:45 38 27 Normal 7.5 6.1 75.64 460 36 0 > 1.8
06/25/2006 14:30 34.5 23 Low 7.5 5.5 63.8 8 0.05
05/21/2006 13:45 33.5 20.5 Normal 7.5 7.9 87.69 430 15 0 1.5
04/30/2006 16:58 33 19.5 Normal 7.5 8.3 90.47 430 2 2.25 > 1.5
03/25/2006 16:00 22 16 Low 7 9 91.8 460 15 0.17 > 1.5
02/25/2006 15:20 16 12 Normal 7.5 9.1 85.54 450 1 1 > 1.5
01/21/2006 14:32 18 14 Low 7 9.1 89.18 460 56 0 > 1.4
05/03/2005 12:15 21 18 Normal 7.5 < 1 7.1 75.26 420 3 0 100
02/16/2005 12:00 21 6 Normal 7.25 < 1 6.8 55.76 420 5 0
12/20/2004 13:00 19 16 Normal 7.4 < 1 7.45 75.99 420 15 0 120
10/13/2004 10:15 22.5 23.75 Low 7.2 < 1 5.2 61.1 420 3 2 200
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