hydrographs for catchments appendix a monitored during storms · 2020. 2. 5. · hydrographs for...
TRANSCRIPT
Hydrographs for Catchments
APPENDIX A Monitored During Storms
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-1
Ballona Creek2008-09 Event 03
0
500
1000
1500
2000
2500
3000
11/3
/08
11:4
0 AM
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
11/5
/08
2:41
AM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =82.56 %
Total Runoff Volume = 1339.9 acre-ft
Ballona Creek2008-09 Event 06
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
11/2
5/08
5:3
3 AM
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
11/2
7/08
6:2
0 AM
11/2
7/08
11:
13 A
M
11/2
7/08
4:0
5 PM
11/2
7/08
8:5
8 PM
11/2
8/08
1:5
1 AM
11/2
8/08
6:4
3 AM
11/2
8/08
11:
36 A
M
11/2
8/08
4:2
8 PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =98.26 %
Total Runoff Volume = 3395.1 acre-ft
Ballona Creek2008-09 Event 09
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
12/1
4/08
8:0
3 AM
12/1
4/08
12:
55 P
M
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
12/1
6/08
8:4
9 AM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =92.48 %
Total Runoff Volume = 4289.6 acre-ft
Ballona Creek2008-09 Event 11
0
100
200
300
400
500
600
700
800
12/2
4/08
11:
55 A
M
12/2
4/08
4:4
8 PM
12/2
4/08
9:4
0 PM
12/2
5/08
2:3
3 AM
12/2
5/08
7:2
6 AM
12/2
5/08
12:
18 P
M
12/2
5/08
5:1
1 PM
12/2
5/08
10:
04 P
M
12/2
6/08
2:5
6 AM
12/2
6/08
7:4
9 AM
12/2
6/08
12:
42 P
M
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =82.21 %
Total Runoff Volume = 456.03 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-2
Ballona Creek2008-09 Event 18
0
300
600
900
1200
1500
1800
2100
1/22
/09
1:24
PM
1/22
/09
6:17
PM
1/22
/09
11:0
9 PM
1/23
/09
4:02
AM
1/23
/09
8:55
AM
1/23
/09
1:47
PM
1/23
/09
6:40
PM
1/23
/09
11:3
3 PM
1/24
/09
4:25
AM
1/24
/09
9:18
AM
1/24
/09
2:10
PM
1/24
/09
7:03
PM
1/24
/09
11:5
6 PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =61.73 %
Total Runoff Volume = 926.8 acre-ft
Ballona Creek2008-09 Event 21
0
1500
3000
4500
6000
7500
9000
2/4/
09 6
:26
PM
2/4/
09 1
1:19
PM
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
2/8/
09 1
2:29
AM
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
2/8/
09 3
:07
PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =83.57 %
Total Runoff Volume = 4168.7 acre-ft
Ballona Creek2008-09 Event 22
0
500
1000
1500
2000
2500
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
2/8/
09 1
2:29
AM
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
2/8/
09 3
:07
PM
2/8/
09 7
:59
PM
2/9/
09 1
2:52
AM
2/9/
09 5
:45
AM
2/9/
09 1
0:37
AM
2/9/
09 3
:30
PM
2/9/
09 8
:22
PM
2/10
/09
1:15
AM
2/10
/09
6:08
AM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =44.08 %
Total Runoff Volume = 742.64 acre-ft
Ballona Creek2008-09 Event 23
0
500
1000
1500
2000
2500
3000
2/12
/09
9:32
PM
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
2/14
/09
12:3
3 PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =96.4 %
Total Runoff Volume = 515.74 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-3
Ballona Creek2008-09 Event 24
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
2/15
/09
5:49
PM
2/15
/09
10:4
2 PM
2/16
/09
3:35
AM
2/16
/09
8:27
AM
2/16
/09
1:20
PM
2/16
/09
6:13
PM
2/16
/09
11:0
5 PM
2/17
/09
3:58
AM
2/17
/09
8:51
AM
2/17
/09
1:43
PM
2/17
/09
6:36
PM
2/17
/09
11:2
8 PM
2/18
/09
4:21
AM
2/18
/09
9:14
AM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.7 %
Total Runoff Volume = 2961.9 acre-ft
Ballona Creek2008-09 Event 26
0
500
1000
1500
2000
2500
3000
3500
3/3/
09 7
:09
PM
3/4/
09 1
2:01
AM
3/4/
09 4
:54
AM
3/4/
09 9
:47
AM
3/4/
09 2
:39
PM
3/4/
09 7
:32
PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Total Runoff Volume = 539.05 acre-ft
*The last composite sample taken and percentage of storm sampled are not shown due to initial instrumental reporting error
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-4
Malibu Creek2008-09 Event 03
0
2
4
6
8
10
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
11/5
/08
2:41
AM
11/5
/08
7:34
AM
11/5
/08
12:2
6 PM
11/5
/08
5:19
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =91.17 %
Total Runoff Volume = 12.97 acre-ft
Malibu Creek2008-09 Event 06
0
30
60
90
120
150
180
210
11/2
0/08
12:
00 A
M
11/2
1/08
12:
00 A
M
11/2
2/08
12:
00 A
M
11/2
3/08
12:
00 A
M
11/2
4/08
12:
00 A
M
11/2
5/08
12:
00 A
M
11/2
6/08
12:
00 A
M
11/2
7/08
12:
00 A
M
11/2
8/08
12:
00 A
M
11/2
9/08
12:
00 A
M
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =62.15 %
Total Runoff Volume = 312.86 acre-ft
Malibu Creek2008-09 Event 09
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
12/1
4/08
12:
00 P
M
12/1
5/08
12:
00 P
M
12/1
6/08
12:
00 P
M
12/1
7/08
12:
00 P
M
12/1
8/08
12:
00 P
M
12/1
9/08
12:
00 P
M
12/2
0/08
12:
00 P
M
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =74.90 %
Total Runoff Volume = 736.11 acre-ft
Malibu Creek2008-09 Event 11
0
10
20
30
40
50
12/2
4/08
4:4
8 PM
12/2
4/08
9:4
0 PM
12/2
5/08
2:3
3 AM
12/2
5/08
7:2
6 AM
12/2
5/08
12:
18 P
M
12/2
5/08
5:1
1 PM
12/2
5/08
10:
04 P
M
12/2
6/08
2:5
6 AM
12/2
6/08
7:4
9 AM
12/2
6/08
12:
42 P
M
12/2
6/08
5:3
4 PM
12/2
6/08
10:
27 P
M
12/2
7/08
3:1
9 AM
12/2
7/08
8:1
2 AM
12/2
7/08
1:0
5 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =61.59 %
Total Runoff Volume = 125.45 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-5
Malibu Creek2008-09 Event 18
0
10
20
30
40
50
60
1/21
/09
10:4
6 PM
1/22
/09
3:39
AM
1/22
/09
8:31
AM
1/22
/09
1:24
PM
1/22
/09
6:17
PM
1/22
/09
11:0
9 PM
1/23
/09
4:02
AM
1/23
/09
8:55
AM
1/23
/09
1:47
PM
1/23
/09
6:40
PM
1/23
/09
11:3
3 PM
1/24
/09
4:25
AM
1/24
/09
9:18
AM
1/24
/09
2:10
PM
1/24
/09
7:03
PM
1/24
/09
11:5
6 PM
1/25
/09
4:48
AM
1/25
/09
9:41
AM
1/25
/09
2:34
PM
1/25
/09
7:26
PM
1/26
/09
12:1
9 AM
1/26
/09
5:12
AM
1/26
/09
10:0
4 AM
1/26
/09
2:57
PM
1/26
/09
7:50
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =36.28 %
Total Runoff Volume = 154.38 acre-ft
Malibu Creek2008-09 Event 21
0
50
100
150
200
250
300
350
400
450
500
550
600
2/4/
09 1
1:19
PM
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
2/8/
09 1
2:29
AM
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
2/8/
09 3
:07
PM
2/8/
09 7
:59
PM
2/9/
09 1
2:52
AM
2/9/
09 5
:45
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =47.41 %
Total Runoff Volume = 1211.49 acre-
ft
Malibu Creek2008-09 Event 22
0
25
50
75
100
125
150
2/8/
09 5
:08
PM
2/8/
09 1
0:22
PM
2/9/
09 3
:35
AM
2/9/
09 8
:49
AM
2/9/
09 2
:02
PM
2/9/
09 7
:16
PM
2/10
/09
12:3
0 AM
2/10
/09
5:43
AM
2/10
/09
10:5
7 AM
2/10
/09
4:10
PM
2/10
/09
9:24
PM
2/11
/09
2:37
AM
2/11
/09
7:51
AM
2/11
/09
1:04
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.96 %
Total Runoff Volume = 270.97 acre-ft
Malibu Creek2008-09 Event 23
0
20
40
60
80
100
2/12
/09
9:32
PM
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
2/14
/09
12:3
3 PM
2/14
/09
5:26
PM
2/14
/09
10:1
9 PM
2/15
/09
3:11
AM
2/15
/09
8:04
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =71.57 %
Total Runoff Volume = 177.53 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-6
Malibu Creek2008-09 Event 24
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
2/15
/09
7:55
AM
2/15
/09
1:40
PM
2/15
/09
7:24
PM
2/16
/09
1:08
AM
2/16
/09
6:53
AM
2/16
/09
12:3
7 PM
2/16
/09
6:21
PM
2/17
/09
12:0
6 AM
2/17
/09
5:50
AM
2/17
/09
11:3
4 AM
2/17
/09
5:19
PM
2/17
/09
11:0
3 PM
2/18
/09
4:48
AM
2/18
/09
10:3
2 AM
2/18
/09
4:16
PM
2/18
/09
10:0
1 PM
2/19
/09
3:45
AM
2/19
/09
9:29
AM
2/19
/09
3:14
PM
2/19
/09
8:58
PM
2/20
/09
2:42
AM
2/20
/09
8:27
AM
2/20
/09
2:11
PM
2/20
/09
7:55
PM
2/21
/09
1:40
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =94.89 %
Total Runoff Volume = 1818.35 acre-ft
Malibu Creek2008-09 Event 26
0
10
20
30
40
50
60
3/3/
09 7
:56
PM
3/4/
09 1
:40
AM
3/4/
09 7
:24
AM
3/4/
09 1
:09
PM
3/4/
09 6
:53
PM
3/5/
09 1
2:38
AM
3/5/
09 6
:22
AM
3/5/
09 1
2:06
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =23.19 %
Total Runoff Volume = 77.98 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-7
Los Angeles River2008-09 Event 03
0
100
200
300
400
500
600
700
800
900
1000
11/3
/08
11:4
0 AM
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
11/5
/08
2:41
AM
11/5
/08
7:34
AM
11/5
/08
12:2
6 PM
11/5
/08
5:19
PM
11/5
/08
10:1
2 PM
11/6
/08
3:04
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =91.20 %
Total Runoff Volume = 827.13 acre-ft
Los Angeles River2008-09 Event 06
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000
16000
17000
18000
19000
20000
11/2
5/08
5:3
3 AM
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
11/2
7/08
6:2
0 AM
11/2
7/08
11:
13 A
M
11/2
7/08
4:0
5 PM
11/2
7/08
8:5
8 PM
11/2
8/08
1:5
1 AM
11/2
8/08
6:4
3 AM
11/2
8/08
11:
36 A
M
11/2
8/08
4:2
8 PM
11/2
8/08
9:2
1 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =89.64 %
Total Runoff Volume = 12396 acre-ft
Los Angeles River2008-09 Event 10
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
12/2
1/08
8:3
1 PM
12/2
2/08
1:2
3 AM
12/2
2/08
6:1
6 AM
12/2
2/08
11:
09 A
M
12/2
2/08
4:0
1 PM
12/2
2/08
8:5
4 PM
12/2
3/08
1:4
6 AM
12/2
3/08
6:3
9 AM
12/2
3/08
11:
32 A
M
12/2
3/08
4:2
4 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =93.38 %
Total Runoff Volume = 931.52 acre-ft
Los Angeles River2008-09 Event 11
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
12/2
4/08
9:4
0 PM
12/2
5/08
2:3
3 AM
12/2
5/08
7:2
6 AM
12/2
5/08
12:
18 P
M
12/2
5/08
5:1
1 PM
12/2
5/08
10:
04 P
M
12/2
6/08
2:5
6 AM
12/2
6/08
7:4
9 AM
12/2
6/08
12:
42 P
M
12/2
6/08
5:3
4 PM
12/2
6/08
10:
27 P
M
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =97.18 %
Total Runoff Volume = 1106.0 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-8
Los Angeles River2008-09 Event 18
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1/22
/09
11:0
9 PM
1/23
/09
4:02
AM
1/23
/09
8:55
AM
1/23
/09
1:47
PM
1/23
/09
6:40
PM
1/23
/09
11:3
3 PM
1/24
/09
4:25
AM
1/24
/09
9:18
AM
1/24
/09
2:10
PM
1/24
/09
7:03
PM
1/24
/09
11:5
6 PM
1/25
/09
4:48
AM
1/25
/09
9:41
AM
1/25
/09
2:34
PM
1/25
/09
7:26
PM
1/26
/09
12:1
9 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =98.93 %
Total Runoff Volume = 1316.6 acre-ft
Los Angeles River2008-09 Event 21
0
5000
10000
15000
20000
25000
30000
2/4/
09 1
1:19
PM
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
2/8/
09 1
2:29
AM
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
2/8/
09 3
:07
PM
2/8/
09 7
:59
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =40.34 %
Total Runoff Volume = 19569.7 acre-
ft
Los Angeles River2008-09 Event 22
0
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
2/8/
09 3
:07
PM
2/8/
09 7
:59
PM
2/9/
09 1
2:52
AM
2/9/
09 5
:45
AM
2/9/
09 1
0:37
AM
2/9/
09 3
:30
PM
2/9/
09 8
:22
PM
2/10
/09
1:15
AM
2/10
/09
6:08
AM
2/10
/09
11:0
0 AM
2/10
/09
3:53
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.19 %
Total Runoff Volume = 2051.9 acre-ft
Los Angeles River2008-09 Event 23
0
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
2/14
/09
12:3
3 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =91.40 %
Total Runoff Volume = 1094.9 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-9
Los Angeles River2008-09 Event 24
0
5000
10000
15000
20000
25000
30000
2/15
/09
12:5
7 PM
2/15
/09
5:49
PM
2/15
/09
10:4
2 PM
2/16
/09
3:35
AM
2/16
/09
8:27
AM
2/16
/09
1:20
PM
2/16
/09
6:13
PM
2/16
/09
11:0
5 PM
2/17
/09
3:58
AM
2/17
/09
8:51
AM
2/17
/09
1:43
PM
2/17
/09
6:36
PM
2/17
/09
11:2
8 PM
2/18
/09
4:21
AM
2/18
/09
9:14
AM
2/18
/09
2:06
PM
2/18
/09
6:59
PM
2/18
/09
11:5
2 PM
2/19
/09
4:44
AM
2/19
/09
9:37
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.55 %
Total Runoff Volume = 13919.7 acre-ft
Los Angeles River2008-09 Event 26
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
3/4/
09 1
2:01
AM
3/4/
09 4
:54
AM
3/4/
09 9
:47
AM
3/4/
09 2
:39
PM
3/4/
09 7
:32
PM
3/5/
09 1
2:25
AM
3/5/
09 5
:17
AM
3/5/
09 1
0:10
AM
3/5/
09 3
:03
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =90.81 %
Total Runoff Volume = 1740.31 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-10
Coyote Creek2008-09 Event 03
0
100
200
300
400
500
600
700
800
900
1000
1100
11/3
/08
11:4
0 AM
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
11/5
/08
2:41
AM
11/5
/08
7:34
AM
11/5
/08
12:2
6 PM
11/5
/08
5:19
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =43.94 %
Total Runoff Volume = 424.53 acre-ft
Coyote Creek2008-09 Event 06
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11/2
5/08
12:
41 A
M
11/2
5/08
5:3
3 AM
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
11/2
7/08
6:2
0 AM
11/2
7/08
11:
13 A
M
11/2
7/08
4:0
5 PM
11/2
7/08
8:5
8 PM
11/2
8/08
1:5
1 AM
11/2
8/08
6:4
3 AM
11/2
8/08
11:
36 A
M
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =97.32 %
Total Runoff Volume = 3502.5 acre-ft
Coyote Creek2008-09 Event 09
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
12/1
4/08
8:0
3 AM
12/1
4/08
12:
55 P
M
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
12/1
6/08
8:4
9 AM
12/1
6/08
1:4
2 PM
12/1
6/08
6:3
4 PM
12/1
6/08
11:
27 P
M
12/1
7/08
4:2
0 AM
12/1
7/08
9:1
2 AM
12/1
7/08
2:0
5 PM
12/1
7/08
6:5
8 PM
12/1
7/08
11:
50 P
M
12/1
8/08
4:4
3 AM
12/1
8/08
9:3
6 AM
12/1
8/08
2:2
8 PM
12/1
8/08
7:2
1 PM
12/1
9/08
12:
13 A
M
12/1
9/08
5:0
6 AM
12/1
9/08
9:5
9 AM
12/1
9/08
2:5
1 PM
12/1
9/08
7:4
4 PM
12/2
0/08
12:
37 A
M
12/2
0/08
5:2
9 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =73.96 %
Total Runoff Volume = 6880.8 acre-ft
Coyote Creek2008-09 Event 10
0
250
500
750
1000
1250
1500
1750
2000
12/2
1/08
3:3
8 PM
12/2
1/08
8:3
1 PM
12/2
2/08
1:2
3 AM
12/2
2/08
6:1
6 AM
12/2
2/08
11:
09 A
M
12/2
2/08
4:0
1 PM
12/2
2/08
8:5
4 PM
12/2
3/08
1:4
6 AM
12/2
3/08
6:3
9 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =72.73 %
Total Runoff Volume = 443.08 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-11
Coyote Creek2008-09 Event 11
0
50
100
150
200
250
300
350
400
450
500
550
600
650
12/2
3/08
6:3
9 AM
12/2
3/08
11:
32 A
M
12/2
3/08
4:2
4 PM
12/2
3/08
9:1
7 PM
12/2
4/08
2:1
0 AM
12/2
4/08
7:0
2 AM
12/2
4/08
11:
55 A
M
12/2
4/08
4:4
8 PM
12/2
4/08
9:4
0 PM
12/2
5/08
2:3
3 AM
12/2
5/08
7:2
6 AM
12/2
5/08
12:
18 P
M
12/2
5/08
5:1
1 PM
12/2
5/08
10:
04 P
M
12/2
6/08
2:5
6 AM
12/2
6/08
7:4
9 AM
12/2
6/08
12:
42 P
M
12/2
6/08
5:3
4 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =49.26 %
Total Runoff Volume = 442.99 acre-ft
Coyote Creek2008-09 Event 18
0
200
400
600
800
1000
1200
1400
1600
1/22
/09
6:17
PM
1/22
/09
11:0
9 PM
1/23
/09
4:02
AM
1/23
/09
8:55
AM
1/23
/09
1:47
PM
1/23
/09
6:40
PM
1/23
/09
11:3
3 PM
1/24
/09
4:25
AM
1/24
/09
9:18
AM
1/24
/09
2:10
PM
1/24
/09
7:03
PM
1/24
/09
11:5
6 PM
1/25
/09
4:48
AM
1/25
/09
9:41
AM
1/25
/09
2:34
PM
1/25
/09
7:26
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =67.44 %
Total Runoff Volume = 1002.24 acre-ft
Coyote Creek2008-09 Event 21
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
2/4/
09 6
:26
PM
2/4/
09 1
1:19
PM
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
2/8/
09 1
2:29
AM
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
2/8/
09 3
:07
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =45.70 %
Total Runoff Volume = 4345.4 acre-ft
Coyote Creek2008-09 Event 22
0
250
500
750
1000
1250
1500
1750
2000
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
2/8/
09 3
:07
PM
2/8/
09 7
:59
PM
2/9/
09 1
2:52
AM
2/9/
09 5
:45
AM
2/9/
09 1
0:37
AM
2/9/
09 3
:30
PM
2/9/
09 8
:22
PM
2/10
/09
1:15
AM
2/10
/09
6:08
AM
2/10
/09
11:0
0 AM
2/10
/09
3:53
PM
2/10
/09
8:46
PM
2/11
/09
1:38
AM
2/11
/09
6:31
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =43.03 %
Total Runoff Volume = 907.05 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-12
Coyote Creek2008-09 Event 23
0
250
500
750
1000
1250
1500
1750
2000
2250
2500
2/12
/09
4:40
PM
2/12
/09
9:32
PM
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
2/14
/09
12:3
3 PM
2/14
/09
5:26
PM
2/14
/09
10:1
9 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =92.18 %
Total Runoff Volume = 586.67 acre-ft
Coyote Creek2008-09 Event 24
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
2/15
/09
8:04
AM
2/15
/09
12:5
7 PM
2/15
/09
5:49
PM
2/15
/09
10:4
2 PM
2/16
/09
3:35
AM
2/16
/09
8:27
AM
2/16
/09
1:20
PM
2/16
/09
6:13
PM
2/16
/09
11:0
5 PM
2/17
/09
3:58
AM
2/17
/09
8:51
AM
2/17
/09
1:43
PM
2/17
/09
6:36
PM
2/17
/09
11:2
8 PM
2/18
/09
4:21
AM
2/18
/09
9:14
AM
2/18
/09
2:06
PM
2/18
/09
6:59
PM
2/18
/09
11:5
2 PM
2/19
/09
4:44
AM
2/19
/09
9:37
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =49.83 %
Total Runoff Volume =4232.7 acre-ft
Coyote Creek2008-09 Event 26
0
25
50
75
100
125
150
175
200
225
250
275
300
325
350
375
400
425
450
3/3/
09 7
:09
PM
3/4/
09 1
2:01
AM
3/4/
09 4
:54
AM
3/4/
09 9
:47
AM
3/4/
09 2
:39
PM
3/4/
09 7
:32
PM
3/5/
09 1
2:25
AM
3/5/
09 5
:17
AM
3/5/
09 1
0:10
AM
3/5/
09 3
:03
PM
3/5/
09 7
:55
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 92.63 %
Total Runoff Volume =277.51 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-13
San Gabriel River2008-09 Event 03
0
50
100
150
200
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
11/5
/08
2:41
AM
11/5
/08
7:34
AM
11/5
/08
12:2
6 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =35.19 %
Total Runoff Volume = 117.34 acre-ft
San Gabriel River2008-09 Event 06
0
100
200
300
400
500
600
700
800
900
1000
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
11/2
7/08
6:2
0 AM
11/2
7/08
11:
13 A
M
11/2
7/08
4:0
5 PM
11/2
7/08
8:5
8 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =69.95 %
Total Runoff Volume = 931.52 acre-ft
San Gabriel River2008-09 Event 09
0
250
500
750
1000
1250
1500
1750
2000
12/1
4/08
12:
55 P
M
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
12/1
6/08
8:4
9 AM
12/1
6/08
1:4
2 PM
12/1
6/08
6:3
4 PM
12/1
6/08
11:
27 P
M
12/1
7/08
4:2
0 AM
12/1
7/08
9:1
2 AM
12/1
7/08
2:0
5 PM
12/1
7/08
6:5
8 PM
12/1
7/08
11:
50 P
M
12/1
8/08
4:4
3 AM
12/1
8/08
9:3
6 AM
12/1
8/08
2:2
8 PM
12/1
8/08
7:2
1 PM
12/1
9/08
12:
13 A
M
12/1
9/08
5:0
6 AM
12/1
9/08
9:5
9 AM
12/1
9/08
2:5
1 PM
12/1
9/08
7:4
4 PM
12/2
0/08
12:
37 A
M
12/2
0/08
5:2
9 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =91.86 %
Total Runoff Volume = 2572.76 acre-ft
San Gabriel River2008-09 Event 11
0
50
100
150
200
12/2
4/08
11:
55 A
M
12/2
4/08
4:4
8 PM
12/2
4/08
9:4
0 PM
12/2
5/08
2:3
3 AM
12/2
5/08
7:2
6 AM
12/2
5/08
12:
18 P
M
12/2
5/08
5:1
1 PM
12/2
5/08
10:
04 P
M
12/2
6/08
2:5
6 AM
12/2
6/08
7:4
9 AM
12/2
6/08
12:
42 P
M
12/2
6/08
5:3
4 PM
12/2
6/08
10:
27 P
M
12/2
7/08
3:1
9 AM
12/2
7/08
8:1
2 AM
12/2
7/08
1:0
5 PM
12/2
7/08
5:5
7 PM
12/2
7/08
10:
50 P
M
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =74.46 %
Total Runoff Volume = 359.68 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-14
San Gabriel River2008-09 Event 18
0
50
100
150
200
250
300
350
400
450
1/22
/09
8:31
AM
1/22
/09
1:24
PM
1/22
/09
6:17
PM
1/22
/09
11:0
9 PM
1/23
/09
4:02
AM
1/23
/09
8:55
AM
1/23
/09
1:47
PM
1/23
/09
6:40
PM
1/23
/09
11:3
3 PM
1/24
/09
4:25
AM
1/24
/09
9:18
AM
1/24
/09
2:10
PM
1/24
/09
7:03
PM
1/24
/09
11:5
6 PM
1/25
/09
4:48
AM
1/25
/09
9:41
AM
1/25
/09
2:34
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =43.09 %
Total Runoff Volume = 564.80 acre-ft
San Gabriel River2008-09 Event 21
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
2/8/
09 1
2:29
AM
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
2/8/
09 3
:07
PM
2/8/
09 7
:59
PM
2/9/
09 1
2:52
AM
2/9/
09 5
:45
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 76.99%
Total Runoff Volume = 3624.0 acre-ft
San Gabriel River2008-09 Event 22
0
100
200
300
400
500
600
700
800
900
2/8/
09 7
:59
PM
2/9/
09 1
2:52
AM
2/9/
09 5
:45
AM
2/9/
09 1
0:37
AM
2/9/
09 3
:30
PM
2/9/
09 8
:22
PM
2/10
/09
1:15
AM
2/10
/09
6:08
AM
2/10
/09
11:0
0 AM
2/10
/09
3:53
PM
2/10
/09
8:46
PM
2/11
/09
1:38
AM
2/11
/09
6:31
AM
2/11
/09
11:2
4 AM
2/11
/09
4:16
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =34.78 %
Total Runoff Volume = 1169.30 acre-ft
San Gabriel River2008-09 Event 23
0
100
200
300
400
500
600
700
800
900
1000
2/11
/09
6:31
AM
2/11
/09
11:2
4 AM
2/11
/09
4:16
PM
2/11
/09
9:09
PM
2/12
/09
2:02
AM
2/12
/09
6:54
AM
2/12
/09
11:4
7 AM
2/12
/09
4:40
PM
2/12
/09
9:32
PM
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
2/14
/09
12:3
3 PM
2/14
/09
5:26
PM
2/14
/09
10:1
9 PM
2/15
/09
3:11
AM
2/15
/09
8:04
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =43.38 %
Total Runoff Volume = 2021.3 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-15
San Gabriel River2008-09 Event 24
0
200
400
600
800
1000
1200
1400
2/15
/09
12:0
0 AM
2/15
/09
12:0
0 PM
2/16
/09
12:0
0 AM
2/16
/09
12:0
0 PM
2/17
/09
12:0
0 AM
2/17
/09
12:0
0 PM
2/18
/09
12:0
0 AM
2/18
/09
12:0
0 PM
2/19
/09
12:0
0 AM
2/19
/09
12:0
0 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =90.00 %
Total Runoff Volume = 1528.0 acre-ft
San Gabriel River2008-09 Event 26
0
50
100
150
200
250
300
3/3/
09 4
:31
AM
3/3/
09 9
:23
AM
3/3/
09 2
:16
PM
3/3/
09 7
:09
PM
3/4/
09 1
2:01
AM
3/4/
09 4
:54
AM
3/4/
09 9
:47
AM
3/4/
09 2
:39
PM
3/4/
09 7
:32
PM
3/5/
09 1
2:25
AM
3/5/
09 5
:17
AM
3/5/
09 1
0:10
AM
3/5/
09 3
:03
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 13.00 %
Total Runoff Volume = 620.67 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-16
Dominguez Channel2008-09 Event 03
0
250
500
750
1000
1250
1500
11/3
/08
11:4
0 AM
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
11/5
/08
2:41
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =50.47 %
Total Runoff Volume = 293.91 acre-ft
Dominguez Channel2008-09 Event 06
0
10
20
30
40
50
60
70
80
90
100
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
11/2
7/08
6:2
0 AM
11/2
7/08
11:
13 A
M
11/2
7/08
4:0
5 PM
11/2
7/08
8:5
8 PM
11/2
8/08
1:5
1 AM
11/2
8/08
6:4
3 AM
11/2
8/08
11:
36 A
M
11/2
8/08
4:2
8 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 78.72 %
Total Runoff Volume = 44.80 acre-ft
Dominguez Channel2008-09 Event 09
0
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =83.12 %
Total Runoff Volume = 1092.0 acre-ft
Dominguez Channel2008-09 Event 10
0
50
100
150
200
250
300
350
400
450
500
550
12/2
1/08
8:3
1 PM
12/2
2/08
1:2
3 AM
12/2
2/08
6:1
6 AM
12/2
2/08
11:
09 A
M
12/2
2/08
4:0
1 PM
12/2
2/08
8:5
4 PM
12/2
3/08
1:4
6 AM
12/2
3/08
6:3
9 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =98.05 %
Total Runoff Volume = 107.68 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-17
Dominguez Channel2008-09 Event 11
0
25
50
75
100
125
150
12/2
4/08
4:4
8 PM
12/2
4/08
9:4
0 PM
12/2
5/08
2:3
3 AM
12/2
5/08
7:2
6 AM
12/2
5/08
12:
18 P
M
12/2
5/08
5:1
1 PM
12/2
5/08
10:
04 P
M
12/2
6/08
2:5
6 AM
12/2
6/08
7:4
9 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =88.98 %
Total Runoff Volume = 67.45 acre-ft
Dominguez Channel2008-09 Event 18
0
50
100
150
200
250
300
350
1/22
/09
6:17
PM
1/22
/09
11:0
9 PM
1/23
/09
4:02
AM
1/23
/09
8:55
AM
1/23
/09
1:47
PM
1/23
/09
6:40
PM
1/23
/09
11:3
3 PM
1/24
/09
4:25
AM
1/24
/09
9:18
AM
1/24
/09
2:10
PM
1/24
/09
7:03
PM
1/24
/09
11:5
6 PM
1/25
/09
4:48
AM
1/25
/09
9:41
AM
1/25
/09
2:34
PM
1/25
/09
7:26
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =98.30 %
Total Runoff Volume = 193.26 acre-ft
Dominguez Channel2008-09 Event 23
0
100
200
300
400
500
600
2/12
/09
6:54
AM
2/12
/09
11:4
7 AM
2/12
/09
4:40
PM
2/12
/09
9:32
PM
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
2/14
/09
12:3
3 PM
2/14
/09
5:26
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =91.43 %
Total Runoff Volume = 124.03 acre-ft
Dominguez Channel2008-09 Event 24
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
3200
2/15
/09
5:49
PM
2/15
/09
10:4
2 PM
2/16
/09
3:35
AM
2/16
/09
8:27
AM
2/16
/09
1:20
PM
2/16
/09
6:13
PM
2/16
/09
11:0
5 PM
2/17
/09
3:58
AM
2/17
/09
8:51
AM
2/17
/09
1:43
PM
2/17
/09
6:36
PM
2/17
/09
11:2
8 PM
2/18
/09
4:21
AM
2/18
/09
9:14
AM
2/18
/09
2:06
PM
2/18
/09
6:59
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.65 %
Total Runoff Volume = 1278.93 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-18
Dominguez Channel2008-09 Event 21
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.62 %
Total Runoff Volume = 627.31 acre-ft
Dominguez Channel2008-09 Event 22
0
100
200
300
400
500
600
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
2/8/
09 1
2:29
AM
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
2/8/
09 3
:07
PM
2/8/
09 7
:59
PM
2/9/
09 1
2:52
AM
2/9/
09 5
:45
AM
2/9/
09 1
0:37
AM
2/9/
09 3
:30
PM
2/9/
09 8
:22
PM
2/10
/09
1:15
AM
2/10
/09
6:08
AM
2/10
/09
11:0
0 AM
2/10
/09
3:53
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.00 %
Total Runoff Volume = 215.40 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-19
Santa Clara River2008-09 Event 06
0
20
40
60
80
100
120
140
11/2
5/08
12:
41 A
M
11/2
5/08
5:3
3 AM
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =83.60 %
Total Runoff Volume = 26.08 acre-ft
Santa Clara River2008-09 Event 09
0
10
20
30
40
50
60
70
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =22.23 %
Total Runoff Volume = 26.00 acre-ft
Santa Clara River2008-09 Event 21
0
10
20
30
40
50
60
70
80
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 21.76 %
Total Runoff Volume = 25.95 acre-ft
Santa Clara River2008-09 Event 23
0
5
10
15
20
25
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =69.56 %
Total Runoff Volume = 5.88 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-20
Project No. 1232TS19
2008-09 Event 03
0
100
200
300
400
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =97.14 %
Total Runoff Volume = 83.1 acre-ft
Project No. 1232TS19
2008-09 Event 06
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
11/2
4/08
5:1
0 AM
11/2
4/08
10:
03 A
M
11/2
4/08
2:5
5 PM
11/2
4/08
7:4
8 PM
11/2
5/08
12:
41 A
M
11/2
5/08
5:3
3 AM
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =63.34 %
Total Runoff Volume = 220.44 acre-ft
Project No. 1232TS19
2008-09 Event 09
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
12/1
6/08
8:4
9 AM
12/1
6/08
1:4
2 PM
12/1
6/08
6:3
4 PM
12/1
6/08
11:
27 P
M
12/1
7/08
4:2
0 AM
12/1
7/08
9:1
2 AM
12/1
7/08
2:0
5 PM
12/1
7/08
6:5
8 PM
12/1
7/08
11:
50 P
M
12/1
8/08
4:4
3 AM
12/1
8/08
9:3
6 AM
12/1
8/08
2:2
8 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =82.22 %
Total Runoff Volume = 492.32 acre-ft
Project No. 1232TS19
2008-09 Event 21
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
2/8/
09 1
2:29
AM
2/8/
09 5
:21
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =97.98 %
Total Runoff Volume = 261.79 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-21
Project No. 1232TS19
2008-09 Event 23
0
50
100
150
200
250
300
350
400
450
500
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
2/14
/09
12:3
3 PM
2/14
/09
5:26
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =77.52 %
Total Runoff Volume = 56.32 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-22
PD 669TS20
2008-09 Event 03
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
11/2
/08
4:09
PM
11/2
/08
9:02
PM
11/3
/08
1:55
AM
11/3
/08
6:47
AM
11/3
/08
11:4
0 AM
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
11/5
/08
2:41
AM
11/5
/08
7:34
AM
11/5
/08
12:2
6 PM
11/5
/08
5:19
PM
11/5
/08
10:1
2 PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =98.44 %
Total Runoff Volume = 16.026 acre-ft
PD 669TS20
2008-09 Event 06
0
25
50
75
100
125
150
175
200
225
250
11/2
5/08
5:3
3 AM
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
11/2
7/08
6:2
0 AM
11/2
7/08
11:
13 A
M
11/2
7/08
4:0
5 PM
11/2
7/08
8:5
8 PM
11/2
8/08
1:5
1 AM
11/2
8/08
6:4
3 AM
11/2
8/08
11:
36 A
M
11/2
8/08
4:2
8 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =98.97 %
Total Runoff Volume = 47.19 acre-ft
PD 669TS20
2008-09 Event 09
0
25
50
75
100
125
150
175
200
225
250
275
300
325
350
12/1
4/08
12:
55 P
M
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
12/1
6/08
8:4
9 AM
12/1
6/08
1:4
2 PM
12/1
6/08
6:3
4 PM
12/1
6/08
11:
27 P
M
12/1
7/08
4:2
0 AM
12/1
7/08
9:1
2 AM
12/1
7/08
2:0
5 PM
12/1
7/08
6:5
8 PM
12/1
7/08
11:
50 P
M
12/1
8/08
4:4
3 AM
12/1
8/08
9:3
6 AM
12/1
8/08
2:2
8 PM
12/1
8/08
7:2
1 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.66 %
Total Runoff Volume = 67.95 acre-ft
PD 669TS20
2008-09 Event 21
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
2/4/
09 6
:26
PM
2/4/
09 1
1:19
PM
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =71.25 %
Total Runoff Volume = 39.25 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-23
PD 669TS20
2008-09 Event 23
0
5
10
15
20
25
30
35
40
45
50
2/12
/09
9:32
PM
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
2/14
/09
12:3
3 PM
2/14
/09
5:26
PM
2/14
/09
10:1
9 PM
2/15
/09
3:11
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =84.88 %
Total Runoff Volume = 4.45 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-24
Project # 5246 and 74TS21
2008-09 Event 03
0
20
40
60
80
100
120
140
160
180
200
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 99.95 %
Total Runoff Volume = 21.56 acre-ft
Project # 5246 and 74TS21
2008-09 Event 06
0
25
50
75
100
125
150
175
200
225
250
275
300
325
350
375
400
11/2
5/08
5:3
3 AM
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.22 %
Total Runoff Volume = 77.86 acre-ft
Project # 5246 and 74TS21
2008-09 Event 09
0
25
50
75
100
125
150
175
200
225
250
275
300
325
350
12/1
4/08
8:0
3 AM
12/1
4/08
12:
55 P
M
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
12/1
6/08
8:4
9 AM
12/1
6/08
1:4
2 PM
12/1
6/08
6:3
4 PM
12/1
6/08
11:
27 P
M
12/1
7/08
4:2
0 AM
12/1
7/08
9:1
2 AM
12/1
7/08
2:0
5 PM
12/1
7/08
6:5
8 PM
12/1
7/08
11:
50 P
M
12/1
8/08
4:4
3 AM
12/1
8/08
9:3
6 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.25 %
Total Runoff Volume = 103.83 acre-ft
Project # 5246 and 74TS21
2008-09 Event 21
0
100
200
300
400
500
2/4/
09 6
:26
PM
2/4/
09 1
1:19
PM
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =98.87 %
Total Runoff Volume = 58.81 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-25
Project # 5246 and 74TS21
2008-09 Event 23
0
25
50
75
100
125
150
175
200
2/12
/09
9:32
PM
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =95.73 %
Total Runoff Volume = 14.99 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-26
PD 21-Hollypark DrainTS22
2008-09 Event 03
0
20
40
60
80
100
120
140
160
180
200
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
11/5
/08
2:41
AM
11/5
/08
7:34
AM
11/5
/08
12:2
6 PM
11/5
/08
5:19
PM
11/5
/08
10:1
2 PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 99.09 %
Total Runoff Volume = 22.71 acre-ft
PD 21-Hollypark DrainTS22
2008-09 Event 06
0
25
50
75
100
125
150
175
200
225
250
275
300
325
350
375
400
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
11/2
7/08
6:2
0 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.87 %
Total Runoff Volume = 70.36 acre-ft
PD 21-Hollypark DrainTS22
2008-09 Event 09
0
100
200
300
400
500
600
700
800
12/1
4/08
12:
55 P
M
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
12/1
6/08
8:4
9 AM
12/1
6/08
1:4
2 PM
12/1
6/08
6:3
4 PM
12/1
6/08
11:
27 P
M
12/1
7/08
4:2
0 AM
12/1
7/08
9:1
2 AM
12/1
7/08
2:0
5 PM
12/1
7/08
6:5
8 PM
12/1
7/08
11:
50 P
M
12/1
8/08
4:4
3 AM
12/1
8/08
9:3
6 AM
12/1
8/08
2:2
8 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.92 %
Total Runoff Volume = 103.83 acre-ft
PD 21-Hollypark DrainTS22
2008-09 Event 21
0
25
50
75
100
125
150
175
200
225
250
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =8.04 %
Total Runoff Volume = 53.42 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-27
PD 21-Hollypark DrainTS22
2008-09 Event 23
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
2/14
/09
12:3
3 PM
2/14
/09
5:26
PM
2/14
/09
10:1
9 PM
2/15
/09
3:11
AM
2/15
/09
8:04
AM
2/15
/09
12:5
7 PM
2/15
/09
5:49
PM
2/15
/09
10:4
2 PM
2/16
/09
3:35
AM
2/16
/09
8:27
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =99.91 %
Total Runoff Volume = 12.57 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-28
D.D.I 8TS23
2008-09 Event 03
0
25
50
75
100
125
150
11/3
/08
11:4
0 AM
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Total Runoff Volume = 26.65 acre-ft
*The last composite sample taken and percentage of storm sampled are not shown due to initial instrumental reporting error.
D.D.I 8TS23
2008-2009 Event 06
0
10
20
30
40
50
60
70
80
90
100
11/2
4/08
5:1
0 AM
11/2
4/08
10:
03 A
M
11/2
4/08
2:5
5 PM
11/2
4/08
7:4
8 PM
11/2
5/08
12:
41 A
M
11/2
5/08
5:3
3 AM
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
11/2
6/08
8:3
5 PM
11/2
7/08
1:2
7 AM
11/2
7/08
6:2
0 AM
11/2
7/08
11:
13 A
M
11/2
7/08
4:0
5 PM
11/2
7/08
8:5
8 PM
11/2
8/08
1:5
1 AM
11/2
8/08
6:4
3 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =90.25 %
Total Runoff Volume = 22.17 acre-ft
D.D.I 8TS 23
2008-09 Event 09
0
50
100
150
200
250
12/1
3/08
5:2
5 PM
12/1
3/08
10:
17 P
M
12/1
4/08
3:1
0 AM
12/1
4/08
8:0
3 AM
12/1
4/08
12:
55 P
M
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
12/1
6/08
8:4
9 AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 99.81%
Total Runoff Volume = 43.24 acre-ft
D.D.I 8TS23
2008-09 Event 21
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =94.16 %
Total Runoff Volume = 9.144 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-29
D.D.I 8
TS23
2008-09 Event 23
0
5
10
15
20
25
30
35
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
2/14
/09
7:41
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =18.88 %
Total Runoff Volume = 3.39 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-30
Dominguez Channel at 116th StreetTS24
2008-09 Event 03
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
11/3
/08
11:4
0 AM
11/3
/08
4:33
PM
11/3
/08
9:25
PM
11/4
/08
2:18
AM
11/4
/08
7:10
AM
11/4
/08
12:0
3 PM
11/4
/08
4:56
PM
11/4
/08
9:48
PM
11/5
/08
2:41
AM
11/5
/08
7:34
AM
11/5
/08
12:2
6 PM
11/5
/08
5:19
PM
11/5
/08
10:1
2 PM
11/6
/08
3:04
AM
11/6
/08
7:57
AM
11/6
/08
12:5
0 PM
11/6
/08
5:42
PM
Time
Flo
w R
ate
(cfs
)
Flow Rate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 100.0 %
Total Runoff Volume = 151.14 acre-ft
Dominguez Channel at 116th Street
TS24
2008-09 Event 06
0
100
200
300
400
500
600
700
800
900
1000
11/2
5/08
5:3
3 AM
11/2
5/08
10:
26 A
M
11/2
5/08
3:1
9 PM
11/2
5/08
8:1
1 PM
11/2
6/08
1:0
4 AM
11/2
6/08
5:5
7 AM
11/2
6/08
10:
49 A
M
11/2
6/08
3:4
2 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =100.0 %
Total Runoff Volume = 188.91 acre-ft
Dominguez Channel at 116th StreetTS24
2008-09 Event 09
0
250
500
750
1000
1250
1500
1750
2000
12/1
4/08
12:
55 P
M
12/1
4/08
5:4
8 PM
12/1
4/08
10:
40 P
M
12/1
5/08
3:3
3 AM
12/1
5/08
8:2
6 AM
12/1
5/08
1:1
8 PM
12/1
5/08
6:1
1 PM
12/1
5/08
11:
04 P
M
12/1
6/08
3:5
6 AM
12/1
6/08
8:4
9 AM
12/1
6/08
1:4
2 PM
12/1
6/08
6:3
4 PM
12/1
6/08
11:
27 P
M
12/1
7/08
4:2
0 AM
12/1
7/08
9:1
2 AM
12/1
7/08
2:0
5 PM
12/1
7/08
6:5
8 PM
12/1
7/08
11:
50 P
M
12/1
8/08
4:4
3 AM
12/1
8/08
9:3
6 AM
12/1
8/08
2:2
8 PM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =98.32 %
Total Runoff Volume = 585.63 acre-ft
Dominguez Channel at 116th StreetTS24
2008-09 Event 21
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
2/5/
09 4
:12
AM
2/5/
09 9
:04
AM
2/5/
09 1
:57
PM
2/5/
09 6
:49
PM
2/5/
09 1
1:42
PM
2/6/
09 4
:35
AM
2/6/
09 9
:27
AM
2/6/
09 2
:20
PM
2/6/
09 7
:13
PM
2/7/
09 1
2:05
AM
2/7/
09 4
:58
AM
2/7/
09 9
:51
AM
2/7/
09 2
:43
PM
2/7/
09 7
:36
PM
2/8/
09 1
2:29
AM
2/8/
09 5
:21
AM
2/8/
09 1
0:14
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled =82.85 %
Total Runoff Volume = 295.13 acre-ft
Hydrographs for Catchments
APPENDIX A Monitored During Storms
A-31
Dominguez Channel at 116th StreetTS24
2008-09 Event 23
0
50
100
150
200
250
300
350
2/12
/09
2:02
AM
2/12
/09
6:54
AM
2/12
/09
11:4
7 AM
2/12
/09
4:40
PM
2/12
/09
9:32
PM
2/13
/09
2:25
AM
2/13
/09
7:18
AM
2/13
/09
12:1
0 PM
2/13
/09
5:03
PM
2/13
/09
9:55
PM
2/14
/09
2:48
AM
Time
Flo
w R
ate
(cfs
)
Flowrate (cfs)
First Composite Sample
Last Composite Sample
Percent of Storm Sampled = 89.08 %
Total Runoff Volume = 40.13 acre-ft