SITE: 357
Barton Creek at Twin Boulders
Hydromet Rainfall
Hydromet Flow
Graph Data
Images
Date
Time
Air Temp (C)
Water Temp (C)
Flow
pH
GTLT
Nitrates-N (mg/L)
DO Avg (mg/L)
DO % Sat
Cond (µS/cm)
Days Since Rain
Field Rain Gauge (in.)
GTLT
Secchi (M)
GTLT
Transparency (M)
E.coli (cfu's)
3/30/2021
10:01
15
14
2
7.5
<
1
6.5
63.7
6
0
>
1
>
1
0
2/24/2021
12:00
6
1
0
1/28/2021
12:00
Dry
1
0
12/29/2020
12:00
Dry
1
0
11/26/2020
12:00
Dry
1
0
10/28/2020
12:00
Dry
1
0
9/30/2020
13:38
26.5
21
1
7.5
<
1
6.22
69.66
640
14
0
>
1
>
1
0
8/27/2020
09:06
25
26
1
7
<
1
3.35
40.87
640
5
0
>
1
>
1
0
7/29/2020
13:30
31.5
29
1
7.5
<
1
5.5
70.4
630
4
0.4
>
1
>
1
16.65
6/24/2020
09:58
21.5
23
2
7
<
1
4.05
590
1
1.4
>
1
>
1
49.95
5/27/2020
10:54
25.2
23
3
7
<
1
5.9
68.44
610
3
1.3
>
1
>
1
0
4/29/2020
15:25
24
24
2
7.5
<
1
6.25
73.75
630
0
0.75
>
1
>
1
133.2
3/31/2020
13:03
20
21
2
7.5
<
1
5.5
61.6
640
9
0.2
>
1
>
1
33.3
2/26/2020
12:15
6
10
2
7.5
<
1
9.25
83.25
570
6
0
>
1
>
1
0
1/30/2020
13:43
5.5
10
1
7.5
<
1
8.55
76.95
590
8
0.4
>
1
>
1
33.3
12/30/2019
16:30
13
12.5
1
7.5
<
1
9.15
86.92
600
30
0
>
1
>
1
0
11/26/2019
13:15
19
16
1
7.5
<
1
6.6
67.32
680
30
0
>
1
>
1
0
10/31/2019
13:10
9
14
1
7
<
1
8
78.4
590
6
0.2
>
1
>
1
0
9/30/2019
14:10
31.5
28
1
7.5
<
1
5.3
66.78
550
2
0.4
>
1
>
1
0
8/20/2019
12:56
34
29.5
2
7.5
<
1
4.6
59.34
540
6
0
>
1
>
1.22
0
7/24/2019
14:45
29
27.5
2
7
<
1
6.4
80
550
24
0
>
1
>
1
0
6/30/2019
14:45
30
27.5
3
7.5
<
1
5.9
73.75
530
5
0
>
1
>
1
149.85
5/28/2019
14:00
27.5
22.5
5
7.5
<
1
5.75
66.12
600
21
0
>
1
>
1
49.95
4/23/2019
13:45
21.5
18.5
3
7.5
<
1
7.35
78.64
600
6
0
>
1
>
1
33.3
3/27/2019
13:15
20
19
3
7.5
<
1
7.9
85.32
610
14
0.5
>
1
33.3
2/27/2019
16:40
21
16.5
3
7.5
<
1
8.2
84.46
600
14
0
>
1
>
1
16.65
1/28/2019
15:00
16
12
5
7.5
<
1
7.6
71.44
660
3
0.6
>
1
>
1
33.3
11/29/2018
10:00
14
11.5
3
7.5
<
1
9
83.7
650
11
0
>
1
>
1
99.9
10/30/2018
10:40
19
18
5
7.5
<
1
7
74.2
640
6
0
>
1
>
1
16.65
9/24/2018
09:18
19
20
5
7
<
1
6.5
71.5
500
2
0.5
>
1
>
1
99.9
8/30/2018
10:36
25
23
1
7
<
1
4.8
55.68
640
30
0
>
1
>
1
0
7/31/2018
16:10
34
27
1
7.5
<
1
4.75
58.9
620
30
0
>
1
>
1
0
6/28/2018
13:49
29
32
1
7
<
1
5.25
70.35
590
30
0
>
1
>
1
0
4/30/2018
12:20
24.5
22
7.5
<
1
7.25
82.65
610
5
0
>
1
>
1
33.3
3/27/2018
11:00
24.5
23
2
7.5
<
1
6.75
78.3
620
30
0
>
1
>
1
116.55
2/27/2018
13:45
24
17.5
3
7.5
<
1
7.3
76.65
580
4
0.2
>
1
>
1
0
1/31/2018
09:48
13.5
12
3
7.5
<
1
8.8
82.72
680
30
0
>
1
>
1
0
12/28/2017
11:18
6
9.5
3
7.5
<
1
9.7
86.33
660
12
0
>
1
>
1
16.65
11/30/2017
15:12
19.5
17
2
7
<
1
6.5
67.6
660
30
0
>
1
>
1
0
10/27/2017
14:30
12.5
17
3
7
<
1
7.55
78.52
640
29
0
>
1
>
1
0
8/31/2017
09:50
26.5
21
3
7.5
<
1
5.7
63.84
590
3
0
>
1
0
7/28/2017
16:45
40
28
1
7
<
1
3.9
49.14
600
11
0
>
1.22
0
6/28/2017
13:18
30.5
29
3
7.5
<
1
5.15
65.92
590
2
0.75
>
1.22
33.3
5/30/2017
14:15
28.5
27.5
3
7.5
<
1
5
62.5
610
3
1.06
>
1
0
4/10/2017
11:30
25
22
3
7.5
<
1
6.75
76.95
620
8
0
>
1.22
49.95
2/24/2017
09:15
27
20
3
7.2
<
1
7.4
81.4
780
4
0
66.5
12/16/2016
14:10
21
16.5
3
7.2
<
1
7.75
79.82
660
5
0
16.65
9/28/2016
16:00
29
27
3
7.5
<
1
5
610
2
3
>
1.2
40
7/28/2016
10:45
33
28
2
7.2
<
1
4.2
52.92
570
30
33.3
2/24/2016
14:00
16
15
3
7.2
<
1
8.2
82
640
2
1.4
83
1/19/2016
15:10
25
12
3
7
<
1
8.8
82.72
730
5
0
12/2/2015
14:55
16
15
5
7
<
1
8.2
82
690
3
1.5
10/13/2015
11:00
29.5
27.5
1
7.7
<
1
3.85
48.12
660
30
0
199.8
9/30/2015
10:50
26
25
1
7
<
1
3.2
30
0
0
8/26/2015
14:25
35
32
2
<
1
3.6
48.24
600
30
0
0
6/4/2015
12:40
30
23
5
7
<
1
7.4
85.84
740
6
0
33.3
3/26/2015
14:35
18
17
3
7
<
1
7.4
76.96
720
5
0
49.95
2/13/2015
11:45
18
14
3
7.25
<
1
8.85
86.73
740
14
0
0
2/2/2015
16:50
8.5
12
3
8.09
<
1
8.5
79.9
700
7
>
1.22
12/8/2014
13:00
21
15
3
7
<
1
5.2
52
720
14
0
0
11/10/2014
14:00
24
16
3
7
<
1
6
61.2
740
5
0
10/23/2014
14:40
28
24
3
7
<
1
5.6
66.08
670
12
0
16.65
9/29/2014
10:36
25
22
3
7
<
1
3.9
44.46
640
11
0
66.6
8/29/2014
11:50
33.5
29
1
7.5
<
1
3
38.4
780
18
0
>
1.2
0
7/23/2014
10:15
30
25
2
7
<
1
6
72
720
8
0
33.3
6/30/2014
08:45
27
26
3
7.2
=
1
4.2
51.24
770
6
2.2
33.3
5/1/2014
15:15
28
25
2
7.2
=
1
4.6
55.2
790
30
0
4/29/2014
09:30
20
20
3
7.2
<
1
7
77
690
7
0
54.9
3/28/2014
12:50
27
21
3
7.2
<
1
6.6
73.92
720
20
0
12/23/2013
09:30
7
9
3
7.4
<
1
8.65
76.12
770
2
0.3
66.6
11/26/2013
14:05
9
11
5
7.5
<
1
9.1
83.72
670
1
1.4
216.5
10/16/2013
10:00
20
19
3
7.2
<
1
5.6
60.48
640
1
1.1
40
9/23/2013
10:10
20
22
1
7.2
<
1
5.2
59.28
800
3
1.6
99.9
8/29/2013
12:40
34
29
1
7.4
<
1
5.3
67.84
800
30
0.01
83.25
7/31/2013
09:20
28
27
1
7.4
<
1
4.3
53.32
830
5
0
33.3
5/30/2013
15:00
32
28
3
7.5
<
1
5
63
760
5
0
33.3
4/25/2013
11:00
18
18
3
7.4
<
1
6.25
66.25
780
23
0
>
1.2
33.3
3/5/2013
13:45
18
17
2
7.2
<
1
5.4
56.16
800
30
0
0
1/17/2013
10:30
12.5
10
2
7.4
=
1
8.6
77.4
720
8
1.4
0
12/27/2012
14:00
9
14
2
7
<
1
4.6
45.08
900
30
0
66.6
11/12/2012
14:25
16
19
2
7
<
1
5.5
59.4
780
30
0
10/3/2012
09:21
21.5
22
2
7.3
4.2
47.88
750
4
0
66.6
9/13/2012
09:20
33
28
2
7
<
1
4.1
51.66
690
30
30
8/16/2012
12:00
31
29
2
7
<
1
4.3
55.04
670
30
0
20
7/20/2012
10:10
29.5
28
2
6.9
4.35
54.81
610
5
0
>
1.2
30
6/19/2012
14:00
34
27
2
7
<
1
5.6
69.44
860
30
33.3
4/12/2012
10:52
23
22
3
7
<
1
6.2
70.68
760
24
0
100
3/27/2012
13:30
27
22
3
7
7.15
81.51
720
7
0
49.95
2/27/2012
10:00
16
12
3
7
<
1
6.8
63.92
780
9
33
1/4/2012
10:00
21
16
1
7
7
71.4
730
14
0
16.65
12/6/2011
10:30
10
10
1
7
<
1
4
36
780
2
11/7/2011
09:00
22
20
1
7.4
<
1
5.8
63.8
820
30
0
49.95
10/10/2011
08:55
18
21
1
7.5
=
1
5.2
58.24
840
1
2.6
=
0.2
3513
9/9/2011
13:50
36
26
1
7
<
1
5.8
70.76
790
30
0
7/8/2011
15:20
40
29
1
<
1
6
76.8
680
20
0
6/1/2011
11:40
32
28
1
7
<
1
6.1
76.86
670
30
0
30
5/4/2011
13:00
25
21.5
1
7
<
1
5.9
66.67
670
30
0.3
>
1.2
4/12/2011
19:20
22
23
2
7
<
1
5.35
62.06
670
49
0
>
1.2
150
3/14/2011
18:36
18
18.5
3
7
<
1
7.6
81.32
640
19
0
>
1.2
330
2/23/2011
15:00
23.5
18.5
2
7.5
<
1
7.02
75.11
630
0
0.3
>
1.2
180
1/27/2011
14:42
20
12.5
2
7.5
<
1
8.85
84.07
620
12
0
>
1.2
0
12/7/2010
07:10
11.5
11.5
3
7.5
<
1
8.38
77.93
660
36
0
>
1.2
11/22/2010
12:30
28
21
3
7.5
6.1
68.32
640
20
0
>
1.2
0
10/26/2010
09:00
21
22
3
7.5
<
1
5.3
60.42
640
15
0
>
1.2
10
10/4/2010
13:50
26
24
3
7.5
<
1
6.65
78.47
660
12
0
>
1.2
0
8/31/2010
10:50
29
27
2
7.5
<
1
3.25
40.3
620
35
0
>
1.2
20
7/24/2010
09:50
30
28
3
7.5
<
1
5.9
74.34
620
1
0.6
>
1.2
10
6/24/2010
07:45
26.5
28
3
7.5
<
1
4.6
57.96
640
16
0
>
1.2
0
5/26/2010
09:00
25
24
3
7.5
<
1
5.35
63.13
590
0
0.2
>
1.2
10
3/22/2010
11:55
19.5
16
5
8
<
1
8.7
88.74
660
2
1.3
=
0.8
100
1/25/2010
10:20
14
12.5
3
7.5
<
1
8.85
84.075
720
10
0
>
1.2
20
12/22/2009
16:30
19.5
15
3
7.5
<
1
9.15
91.5
730
5
0
>
1.2
30
11/25/2009
09:00
5
4
0.1
10/19/2009
08:40
14
18
5
7.5
<
1
7.2
76.32
730
5
0
>
1.2
9/9/2009
09:00
1
11
0
8/18/2009
09:00
1
27
0
7/21/2009
09:00
No Flow
20
0
6/23/2009
09:00
No Flow
12
0
5/13/2009
09:00
No Flow
16
0
4/14/2009
09:00
No Flow
12
0
3/23/2009
09:00
No Flow
9
0
2/24/2009
09:00
No Flow
13
0
1/20/2009
09:00
No Flow
15
0
12/8/2008
09:40
No Flow
24
0
11/11/2008
10:10
1
27
0
10/9/2008
09:30
1
44
0
9/18/2008
09:20
1
23
0
8/14/2008
09:15
1
21
0
7/22/2008
09:30
1
39
0
6/27/2008
11:00
1
14
0
5/13/2008
10:25
23.5
22.5
2
7.5
<
1
4.5
51.75
630
15
0
>
1.2
0
4/3/2008
09:30
22.5
20.5
2
7.5
<
1
5.75
63.825
620
16
0.2
>
1.2
20
11/12/2007
11:26
25.5
21.5
3
7.5
<
1
5.9
66.67
610
22
0
>
1.2
120
10/18/2007
11:25
30
24.5
3
7.5
5.4
64.26
600
11
0
>
1.2
9/19/2007
08:50
25
25.5
5
7.5
<
1
5.3
64.13
620
8
0
>
1.2
7/31/2007
09:45
27.5
26
5
7.5
<
1
6.2
75.64
630
4
0
>
1.2
7/13/2007
12:19
31.5
28
5
7.5
<
1
5.2
65.52
610
9
0
>
1.2
© 1996- Lower Colorado River Authority. All rights reserved.