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| Mississippi River Flood Control |
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Spillway Opening Pace
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After heavy rains in the Mississippi and Ohio River valleys increased river stages, the Corps opened the spillway on April 11, 2008 for the first time since 1997.
Within nine days the Corps opened 160 of the 350 total bays. The flows passing through the structure averaged about 113,000 cfs; the maximum flows peaked at approximately 160,000 cfs.
The Mississippi River stage reached its crest at 16.96 ft. on April 26, 2008. |
| Spillway Opening Pace: 2008 vs. 1997 |
|
2008 Date |
Bays Opened |
Total Opened 2008 |
1997 Date |
Bays Opened |
Total Opened 1997 |
| Day 1 |
April 11 |
38 |
38 |
March 17 |
30 |
30 |
| Day 2 |
April 12 |
46 |
84 |
March 18 |
40 |
70 |
| Day 3 |
April 13 |
0 |
84 |
March 19 |
30 |
100 |
| Day 4 |
April 14 |
0 |
84 |
March 20 |
50 |
150 |
| Day 5 |
April 15 |
0 |
84 |
March 21 |
40 |
190 |
| Day 6 |
April 16 |
6 |
90 |
March 22 |
35 |
225 |
| Day 7 |
April 17 |
20 |
110 |
March 23 |
25 |
250 |
| Day 8 |
April 18 |
25 |
135 |
March 24 |
15 |
265 |
| Day 9 |
April 19 |
25 |
160 |
March 25 |
20 |
285 |
| Days 10 - 20 |
April 20-29 |
0 |
160 |
March 26 |
13 |
298 |
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