City of Metropolis Combined Sewer Overflow (CSO) Data
CSO Event Date |
Total Approx. Discharge Volume (gallons) |
Total Gauged Rainfall (Inches) |
Approx. Discharge Event Duration (hr:min) |
Approx. Duration of Rain Event (hr:min) |
10/7/2008 |
1,300,000 |
1.4 |
6 |
24 |
10/16/2008 |
105,901 |
0.72 |
9.1 |
10 |
10/23/2008 |
1,315,000 |
1.52 |
8 |
12 |
11/12/2008 |
857,741 |
1.16 |
13 |
22.5 |
12/8/2008 |
56,909 |
0 |
55 min |
0 |
12/9/2008 |
1/4 of 48 |
1.5 |
8 |
18 |
12/14/2008 |
1/4 of 48 |
0.5 |
3.25 |
6 |
12/19/2008 |
1/8 of 48 |
0.3 |
1.75 |
4 |
12/24/2008 |
<1/8 of 48 |
1.9 |
18 |
8 |
12/25/2008 |
<1/8 of 48 |
0.9 |
5 |
7 |
12/28/2008 |
<1/8 of 48 |
0.9 |
3 |
6.5 |
1/10/2009 |
<1/8 of 48 |
0.7 |
3 |
6 |
1/27/2009 |
<1/8 of 48 |
1.68 |
48 |
48 |
2/02/2009 |
<1/8 of 48 |
snow melt |
10 |
24 |
2/10/2009 |
<1/8 of 48 |
2.3 |
34 |
38 |
2/17/2009 |
<1/8 of 48 |
0.2 |
3 |
4 |
2/27/09 |
<1/8 of 48 |
0.4 |
24 |
48 |
3/08/09 |
294,000 |
0.33 |
9 |
1 |
3/10/09 |
370,000 |
0.55 |
9.75 |
3.75 |
3/24/09 |
721,000 |
1.64 |
17 |
10.25 |
4/02/09 |
576,000 |
0.72 |
16.9 |
6.5 |
04/18/09 |
500,000 |
0.65 |
14 |
5 |
4/19/09 |
550,000 |
0.65 |
15 |
5.4 |
4/28/09 |
946,030 |
.078 |
11 |
5.9 |
4/30/09 |
4,599,679 |
1.79 |
48.5 |
41.5 |
05/03/09 |
2,441,754 |
0.92 |
22 |
14.7 |
05/28/09 |
50,000 |
0.26 |
3.00 |
3.10 |
06/03/09 |
1,182,253 |
0.96 |
8.04 |
3:50 |
06/04/09 |
359,833 |
0.37 |
6.44 |
9:45 |
06/09/09 |
526,246 |
0.55 |
4.20 |
1:20 |
06/11/09 |
6,993 |
0.13 |
0.3 |
0:05 |
06/15/09 |
385,749 |
0.56 |
5.10 |
8:25 |
06/16/09 |
1,962,637 |
1.11 |
14.50 |
7:30 |
7/04/09 |
341,851 |
0.68 |
7.50 |
6:00 |
7/11/09 |
1,656,846 |
1.38 |
10.14 |
3:15 |
7/15/09 |
35,183 |
0.3 |
3.08 |
1:30 |
7/21/09 |
3,553,807 |
2.24 |
29:05:00 |
15:50 |
7/30/09 |
17,422 |
0.34 |
3:00 |
6:55 |
8/04/09 |
1,379,539 |
1.37 |
12:43 |
5:50 |
8/20/09 |
465,837 |
0.55 |
4:46 |
3:15 |
8/28/09 |
115,404 |
0.26 |
1:48 |
1:26 |
9/05/09 |
367,444 |
0.47 |
3:36 |
2:00 |
09/15/09 |
9,478 |
0.16 |
0:36 |
0:45 |
9/19/09 |
36,947 |
0.23 |
1:38 |
2:20 |
9/20/09 |
277,060 |
0.57 |
5:16 |
5:45 |
09/24/09 |
2,643,862 |
2.14 |
9:54 |
6:45 |
10/01/09 |
107,814 |
0.33 |
1:44 |
0:20 |
10/06/09 |
1,109,911 |
1.19 |
8:54 |
7:00 |
10/08/09 |
3,754,182 |
2.34 |
40:24:00 |
34:25:00 |
10/14/09 |
243,032 |
0.31 |
8:02 |
6:05 |
10/15/09 |
2,401,821 |
1.12 |
23:20 |
4:30 |
10/22/09 |
1,222,072 |
0.93 |
16:26 |
11:30 |
10/27/09 |
1,319,242 |
1.19 |
14:14 |
17:15 |
10/29/09 |
3,333,183 |
1.77 |
41:50:00 |
28:30:00 |
12/02/09 |
237,393 |
0.72 |
10:50 |
15:15 |
12/08/09 |
1,707,982 |
1.02 |
17:12 |
11:55 |
12/23/09 |
4,583,834 |
2.2 |
40:26:00 |
28:45:00 |
01/17/10 |
5,344 |
0.28 |
1:22 |
12:25 |
01/24/10 |
4,525,265 |
1:88 |
67:20:00 |
37:30:00 |
03/11/10 |
116,237 |
0.36 |
2:50 |
1:25 |
03/22/10 |
3,400,000 |
2:12 |
40 |
30 |
03/25/10 |
435,629 |
0.55 |
20 |
9 |
03/28/10 |
1,004,671 |
0.88 |
22 |
13 |
04/03/10 |
469,313 |
0.57 |
8:20 |
4:10 |
04/07/10 |
839,934 |
0.8 |
12:48 |
7:40 |
04/23/10 |
1,850,412 |
1.93 |
41:20 |
44:50 |
05/01/10 |
4,415,564 |
2.46 |
39.:30 |
26:20 |
5/26/10 |
2,420,000 |
1.59 |
14:00 |
4:05 |
5/30/10 |
154,416 |
0.08 |
3:40 |
1:00 |
5/31/10 |
176,396 |
0.25 |
5:00 |
1:00 |
06/09/10 |
77,652 |
0.47 |
6:00 |
8:50 |
6/11/10 |
349,599 |
0.54 |
5:20 |
0:30 |
6/13/10 |
826,267 |
1 |
7:30 |
2:30 |
6/17/10 |
940,651 |
0.81 |
7:20 |
0.3 |
6/28/10 |
4,943 |
0.16 |
1:26 |
0:35 |
7/11/10 |
352,571 |
0.46 |
3:50 |
2:05 |
*7/16/10 |
2,050,000 |
1.39 |
7:00 |
1:20 |
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* THIS DISCHARGE VOLUME WAS APPROXIMATED FROM PAST TREND DATA, BASED
ON TOTAL RAINFALL, AS RECORDED AT THE METROPOLIS CSO OUTFALL. AN ASSUMED
LIGHTNING STRIKE CAUSED POWER AND DATA RECORDING FAILURE AT THE CSO FLOW METER. |