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)
04/16/2017 13:28 23.5 23 3 7.5 < 1 7.8 90.48 940 5 0 0.92 116.55
01/22/2017 13:03 19.5 15 5 8 1 9.3 93 740 1 0.02 1.1 199.8
12/11/2016 16:15 16 16.5 3 8 2 9.5 97.85 820 1 0.02 > 1.212 16.65
11/20/2016 15:52 15.5 15 3 7.5 4 9.3 93 1040 9 0 > 1.212 83.25
10/23/2016 15:52 24.5 20.5 3 8 2 9.1 101.01 1160 10 0 > 1.212 49.95
07/10/2016 12:40 29 28 3 7.5 < 1 7.8 98.28 1170 0 0.04 1.07 133.2
06/12/2016 11:30 30 26 5 7.5 < 1 7.9 96.38 860 9 0 > 1.212 99.9
05/15/2016 14:10 20 21 5 7.5 1 8.5 95.2 530 0 0 0.9 316.35
04/10/2016 13:16 20.5 19.5 3 7.5 2 7.4 80.66 1020 9 0.01 0.95 116.55
03/13/2016 13:56 27 20 5 8 < 1 7.85 86.35 660 2 0.17 1 83.25
01/03/2016 16:55 14 14 5 8 9.6 94.08 760 1 0.06 > 1.212
11/22/2015 16:17 10 14 5 8 2 8.9 87.22 770 0 3.86 > 1.212
08/30/2015 12:55 31 27 2 7.5 < 1 8 99.2 1350 30 0 1 133.2
07/26/2015 12:11 30 28 2 7.5 6.8 85.68 1280 0 0 > 1.212 83.25
06/21/2015 13:35 25.5 24 5 8 1 7.4 87.32 610 0 1.41 0.86 299.7
05/25/2015 12:52 24 22 4 7.5 2 7.4 84.36 650 0 2.6 0.73
04/26/2015 12:39 24 23 5 7.5 1 6.4 74.24 940 0 0.052 > 1.212 199.8
03/29/2015 14:36 27 20 5 7.5 1 9.45 103.95 850 3 0.03 > 1.212 49.95
02/22/2015 13:07 10.5 15 3 7.5 1 8.85 970 18 0 > 1.212 33.3
01/25/2015 15:02 20 15 5 8 1 9.45 94.5 750 2 2.47 > 1.2 83.25
12/21/2014 16:42 12 14.5 3 7.5 1 8.1 80.19 870 2 0.59 > 1.2 233.1
11/16/2014 16:21 7.7 12.5 3 7.5 10 8.7 82.65 1240 0 0.03 > 1.212 16.65
10/19/2014 12:53 23 22 3 7.5 4 7.4 84.36 1140 6 > 1.212
09/14/2014 12:56 19.75 21 3 8 1 7.3 81.76 810 0 1.19 > 1.212 99.9
08/17/2014 13:12 33 28 3 8 1 6.7 84.42 1420 3 0 1.1 116.55
07/20/2014 13:43 30 25.5 5 7.5 2 6.75 81.68 860 2 > 1.22 732.6
06/15/2014 14:50 29.75 27 3 8 6.75 83.7 980 3 1.27 > 1.212 199.98
05/11/2014 14:35 31.5 25 3 8 1 5.95 71.4 1260 3 0.01 0.54 499.5
02/26/2014 13:48 17 17 3 8.4 < 1 12.4 128.96 1040 7 0 > 1.22
06/20/2013 08:15 28 25 3 7.5 < 1 4.5 54 610 7 > 1.22
05/09/2013 12:15 26 23 3 7.5 8.1 93.96 900 10 > 1.22
04/11/2013 10:30 18 17.5 3 7 2 9.5 99.75 970 2 > 1.22
03/07/2013 10:15 17 15 3 7 < 2 6.7 67 1250 2 > 1.1
02/01/2013 14:00 19 15 3 7 < 1 8.1 81 1090 7 0 > 1.22
12/07/2012 10:00 23 19 2 7.5 6 7.9 85.32 1230 20 > 1.2
11/16/2012 10:30 13.5 13.5 3 7 1 5.7 55.29 1050 16 > 1.2
10/19/2012 11:30 25 22 3 7 1 5.3 60.42 680 6 > 1.2
09/15/2012 11:30 28 25 2 7 1 4.7 56.4 690 14 > 1.2
07/10/2012 09:15 32 28 2 7 6.6 83.16 1140 5 > 1.2 399.6
06/06/2012 10:15 30 29 2 7.5 6 8.4 107.52 1160 12 > 1.2 99.9
05/09/2012 10:30 20 20 3 7 < 4 7.2 79.2 900 1 1 1.1
04/11/2012 10:30 22 21 3 7.5 < 6 5.6 62.72 800 11 1.1 166.5
03/03/2012 11:00 12 12 3 7.5 2 9.4 88.36 960 4 > 1.1 83.25
02/19/2012 12:20 14 15 5 7 4 9 90 700 1 2.27 > 1.2
01/08/2012 12:00 11 12 3 7 2 8.8 82.72 1100 9 > 1.2 83.25
12/21/2011 10:00 8 11 5 7 < 1 8.4 77.28 880 7 > 1.22
11/09/2011 09:00 18 15 1 7.5 6 7.6 76 1260 30 > 1.2
10/12/2011 09:00 24 23 2 7.5 4 6 69.6 1300 30 > 1.2
09/07/2011 08:45 27 25 2 7.5 < 6 5.5 66 1290 30 > 1.2
08/10/2011 09:00 29 26 2 7.5 1 5.05 61.61 1260 30 > 1.22
07/08/2011 08:45 28 26 2 7 4.6 56.12 1270 25 > 1.22
06/23/2011 09:00 33 26 2 7.5 4 7.4 90.28 1250 1 > 1.2
05/13/2011 09:05 15 17 3 7 6 6.2 64.48 1150 1 1 > 1
04/21/2011 09:30 22 21 2 7.5 6 5.3 59.36 1100 11 > 1 233.1
03/11/2011 09:00 13 17 3 7.5 6 10.5 109.2 1110 1 0.25 > 1 116.55
02/11/2011 11:00 18 10 3 7 11.5 103.5 1075 2 0.25 > 1.2 16.65
01/02/2011 10:30 11 11.5 3 7 < 4 9.1 84.63 1200 7 > 1.2
12/06/2010 10:15 8 13 3 7.5 1 7.5 72 1250 14 > 1.2
11/17/2010 10:00 16 14 1 8 1 8.3 81.34 1240 5 > 1.2 16.65
10/20/2010 09:13 24 24 2 7 4 6.2 73.16 1200 14 > 1.2 83.25
10/19/2010 10:30 20 21 2 7.5 1 7.1 79.52 1000 13 > 1.2 83.25
09/18/2010 09:17 24 24 5 7 2 1 3 > 1.1
08/13/2010 09:30 31 28.5 3 7 1 6.5 82.55 1155 13 > 1.22
07/17/2010 09:45 29 27 3 7 < 1 7.2 89.28 855 7 > 1
06/21/2010 09:30 30 27 3 7 < 1 7.05 87.42 975 18 > 1.2
05/10/2010 09:30 28 25 3 7.5 < 4 5.7 68.4 1000 30 0.6
04/17/2010 10:00 22 22 3 7 < 1 7.53 85.79 1100 15 0 > 1
03/04/2010 15:45 20 18 3 7 < 3 7.6 80.56 830 2 1 > 1.1 249.75
02/05/2010 09:30 11 10 5 7 1 9.9 89.1 800 0 1 > 1
01/02/2010 09:30 12 11 3 7 10.9 100.28 910 8 1
11/23/2009 09:55 18 17 5 7 < 4 8.5 88.4 790 2 1.2
11/06/2009 09:45 21 19 3 7 8 86.4 920 9 > 1
11/01/2009 16:47 22 19 5 7.5 8 7.9 85.32 830 7 > 1.2 699
09/21/2009 10:01 26 25 2 7 < 1 3.5 42 710 9 > 1.2 49.95
08/18/2009 08:20 23 23 3 7 4 6.3 73.08 1010 7 0 > 1.1 99.9
07/16/2009 09:18 30 27 3 7 < 2 6.4 79.36 1310 16 0 > 1.2 299.7
05/25/2009 10:30 28 20 3 < 4 8.4 92.4 1 3 233.1
03/25/2009 11:10 22 15 3 8 < 5 10.1 101 1210 0 183.15
01/30/2009 14:52 21 13.5 3 8 < 4 10.2 98.94 1210 2 1 0.87 283.05
12/30/2008 11:09 17 13 3 7 < 4 7.8 74.88 1210 4 > 113 199.8
10/13/2008 14:00 29 25 3 7.5 4 6.8 81.6 1330 9 > 1.22 249.5
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