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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 May 9, 2011.
The Bonnet Carre Spillway was partially opened on Monday, May 9, 2011 in order to keep the volume of the Mississippi River flows at New Orleans from exceeding 1.25 million cubic feet per second (cfs). It was fully closed 43 days later on Monday, June 20. The recreational areas of the spillway will be open; however, members of the public should use caution when accessing the area and be aware of water hazards, wildlife, such as snakes and alligators, as well as excessive heat and humidity.
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Spillway Opening Pace: 2011 vs. 2008 |
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2011 Date |
Bays Opened |
Total Opened 2011 |
2008 Date |
Bays Opened |
Total Opened 2008 |
Day 1 |
May 9 |
28 |
28 |
April 11 |
38 |
38 |
Day 2 |
May 10 |
44 |
72 |
April 12 |
46 |
84 |
Day 3 |
May 11 |
38 |
110 |
April 13 |
0 |
84 |
Day 4 |
May 12 |
102 |
212 |
April 14 |
0 |
84 |
Day 5 |
May 13 |
52 |
264 |
April 15 |
0 |
84 |
Day 6 |
May 14 |
36 |
300 |
April 16 |
6 |
90 |
Day 7 |
May 15 |
30 |
330 |
April 17 |
20 |
110 |
Day 8 |
May 16 |
0 |
330 |
April 18 |
25 |
135 |
Day 9 |
May 17 |
0 |
330 |
April 19 |
25 |
160 |
Days 10 - 42 |
May 18-June 20 |
0 |
0 |
April 20-29 |
0 |
160 |
Spillway Opening Pace: 2008 vs. 1997 |
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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 |
Contact
Webmaster
504-862-1606
webmaster-mvn@usace.army.mil
Updated 8/29/2011
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