Existing System
1994 Precipitation Year CSO Overflows -- Ranked by Annual Number of Hours
(Based on Predictions from the Hydraulic Collection System Model) |
|
Annual |
CSO Rack No. |
# of Hours |
Peak Q (mgd) |
Volume (MG) |
# of Events |
40 |
282 |
113.8 |
452.6 |
40 |
Diversion Chamber/Rack 17 |
247 |
148.0 |
143.4 |
44 |
16 |
225 |
122.8 |
119.7 |
39 |
14 |
187 |
36.5 |
27.5 |
55 |
29 |
160 |
18.0 |
11.5 |
45 |
18 |
151 |
272.7 |
213.9 |
26 |
26 |
127 |
18.5 |
10.7 |
52 |
35 |
123 |
81.4 |
44.5 |
49 |
24 |
102 |
49.7 |
23.9 |
46 |
34 |
93 |
11.8 |
5.9 |
46 |
15 |
92 |
32.6 |
14.9 |
44 |
20 |
91 |
13.8 |
6.7 |
44 |
30 |
91 |
7.9 |
4.1 |
25 |
28 |
75 |
32.1 |
13.1 |
40 |
3 |
69 |
41.0 |
16.0 |
38 |
8 |
67 |
7.0 |
2.9 |
38 |
32 |
66 |
42.1 |
15.3 |
39 |
10 |
56 |
24.2 |
8.0 |
33 |
36 |
55 |
22.6 |
7.8 |
34 |
12 |
53 |
133.8 |
44.2 |
34 |
33 |
51 |
3.6 |
1.5 |
26 |
4 |
45 |
26.1 |
8.5 |
22 |
31 |
35 |
32.4 |
8.5 |
25 |
7 |
33 |
15.1 |
3.7 |
23 |
27 |
29 |
10.2 |
2.3 |
21 |
11 |
25 |
34.3 |
6.7 |
15 |
19 |
25 |
24.3 |
5.2 |
16 |
22 |
23 |
58.8 |
11.3 |
19 |
5 |
23 |
12.5 |
2.5 |
19 |
25 |
16 |
7.6 |
1.2 |
13 |
21 |
11 |
11.8 |
1.3 |
9 |
13 |
10 |
5.6 |
0.6 |
10 |
9 |
7 |
1.9 |
0.2 |
6 |
37 |
6 |
5.0 |
0.3 |
6 |
23 |
3 |
1.4 |
0.0 |
3 |
39 |
0 |
0.0 |
0.0 |
0 |
2-S & 2-N |
0 |
0.0 |
0.0 |
0 |
6 |
0 |
0.0 |
0.0 |
0 |
Total |
2,754 |
|
1,240.4 |
1,044 |
|
Akron WPCS Flow2 |
On Going |
109.2 |
26,481.0 |
On Going |
Akron WPCS Secondary Bypass |
461 |
115.7 |
1,200.0 |
27 |
| |
|
Total Annual Overflow Volume |
1,240 |
MG |
Total Akron WPCS Secondary Flow2 |
26,800 |
MG |
Total Akron WPCS Secondary Bypass |
1,200 |
MG |
| |
Total System Flow |
29,240 |
MG |
| |
| Notes: 1) Number of Events
based on 6-hour inter-event time
2) Akron WPCS flow represents secondary treatment, using
maximum rate of 110 mgd, and assumes the stormwater retention pumping capacity is not
exceeded. This volume includes the volume released back to the Akron WPCS after having up
to 10 MG stored on an event basis. |
|
